Microencapsulation by in situ Polymerization of Amino Resins

References

• Green, B. K. "Pressure sensitive record material", US Patent 2,712, 507, 1955.
   Google Scholar
• Green, B. K.; Schleicher, L. "Manifold record material", US Patent 2,730,456, 1956.
   Google Scholar
• Green, B. K.; Schleicher, L. "Oil-containing microscopic capsules and method of making them", US Patent 2,800,457, 1957.
   Google Scholar
• Cui, J.; Hao, J. "Nanoengineered polymer capsules: From fabrication to applications", In Self-Assembled Structures: Properties and Applications in Solution and on Surfaces; Hao, J., Ed.; CRC Press: Boca Raton, FL, 2011; pp 35–77. Doi: 10.1201/b10479-3
   Google Scholar
• Arán-Ais, F.; Pérez-Limiñana, M. Á.; Sánchez-Navarro, M. M.; Orgilés-Barceló, C. "Developments in microencapsulation technology to improve adhesive formulations", J. Adhes. 2012, 88, 391–405. Doi: 10.1080/00218464.2012.660368
   Web of Science ®Google Scholar
• Arshady, R.; George, M. H. "Suspension, dispersion, and interfacial polycondensation: A methodological survey", Polym. Eng. Sci. 1993, 33, 865–876. Doi: 10.1002/pen.760331402
   Web of Science ®Google Scholar
• Bansode, S. S.; Banarjee, S. K.; Gaikwad, D. D.;Jadhav, S. L.; Thorat, R. M. "Microencapsulation: A review", Int. J. Pharm. Sci. Rev. Res. 2010, 1, 38–43.
   Google Scholar
• Gouin, S. "Microencapsulation: Industrial appraisal of existing technologies and trends", Trends Food Sci. Technol. 2004, 15, 330–347. Doi: 10.1002/pen.760331402
   Web of Science ®Google Scholar
• Jyothi, N. V. N.; Prasanna, P. M.; Sakarkar, S. N.;Prabha, K. S.; Ramaiah, P. S.; Srawan, G. Y. "Microencapsulation techniques, factors influencing encapsulation efficiency.", J. Microencapsulation 2010, 27, 187–197. Doi: 10.3109/02652040903131301
   PubMed Web of Science ®Google Scholar
• Thies, C. "Microencapsulation", In Encyclopedia of Polymer Science and Technology; Mark, H. F., Ed.; John Wiley and Sons: Hoboken, NJ, 2004; pp 1–29. Doi: 10.1002/0471440264.pst198
   Google Scholar
• Shukla, P. G. "Microencapsulation of liquid active agents", In Functional Coatings; Ghosh, S. K., Ed.; Wiley-VCH: Weinheim, 2006; pp 153–186. Doi: 10.1002/3527608478.ch5
   Google Scholar
• Sliwka, W. "Microencapsulation", Angew. Chemie Int. Ed. 1975, 14, 539–550. Doi: 10.1002/anie.197505391
   PubMed Web of Science ®Google Scholar
• Thies, C. "Physicochemical aspects of microencapsulation", Polym. Plast. Technol. Eng. 1975, 5, 1–22. Doi: 10.1080/03602557508063091
   Web of Science ®Google Scholar
• Umer, H.; Nigam, H.; Tamboli, A. M.; Nainar, M. S. M. "Microencapsulation: Process, techniques and applications", Int. J. Res. Pharm. Biomed. Sci. 2011, 2, 474–481.
   Google Scholar
• Thies, C. "Microencapsulation", In Van Nostrand's Encyclopedia of Chemistry, 5th Edition; Considine, G. D., Ed.; John Wiley and Sons: Hoboken, NJ, 2005; pp 1–6. Doi: 10.1002/0471740039.vec1633
   Google Scholar
• Poncelet, D. "Microencapsulation: Fundamentals, methods and applications", In Surface Chemistry in Biomedical and Environmental Science; Blitz, J. P., Gun'ko, V. M., Eds.; Springer: Dordrecht, 2006; pp 23–34. Doi: 10.1007/1-4020-4741-X_3
   Google Scholar
• Dubey, R.; Shami, T. C.; Bhasker Rao, K. U. "Microencapsulation technology and applications", Def. Sci. J. 2009, 59, 82–95. Doi: 10.14429/dsj.59.1489
   Web of Science ®Google Scholar
• Simon, B., Ed. Microencapsulation: Methods and Industrial Applications, 1^st Edition; Marcel Dekker: New York, NY, 1996.
   Google Scholar
• Ghosh, S. K., Ed. Functional Coatings; Wiley-VCH: Weinheim, 2006. Doi: 10.1002/3527608478
   Google Scholar
• Vandegaer, J. E., Ed. Microencapsulation: Processes and Applications; Plenum Press: New York, NY, 1973. Doi: 10.1007/978-1-4684-0739-6
   Google Scholar
• Mishra, M. K. "Overview of encapsulation and controlled release", In Handbook of Encapsulation and Controlled Release; Mishra, M., Ed.; Taylor and Francis: Boca Raton, 2016; pp 3–19. Doi: 10.1201/b19038-3
   Google Scholar
• Lamprecht, A.; Bodmeier, R. “Microencapsulation”, In Ullmann's Encyclopedia of Industrial Chemistry; Elvers, B. Ed.; Wiley-VCH: Weinheim, 2010; Vol. 23, pp 157–172. Doi: 10.1002/14356007.a16_575.pub2
   Google Scholar
• Salaün, F. "Microencapsulation by interfacial polymerization", In Encapsulation Nanotechnologies; Mittal, V., Ed.; Scrivener Publishing/Wiley: Salem, MA, 2013; pp 137–173. Doi: 10.1002/9781118729175.ch5
   Google Scholar
• Finch, C. A. "Industrial microencapsulation: polymers for microcapsule walls", In Encapsulation and Controlled Release; Karsa, D. R., Stephenson, R. A., Eds.; Woodhead Publishing Ltd: Abington, 1993; pp 1–12. Doi: 10.1533/9781845698218.1
   Google Scholar
• Marteaux, L. "Si-based inorganic microencapsulation", In Microencapsulation: Innovative Applications; Giamberini, M., Fernandez Prieto, S., Tylkowski, B., Eds.; de Gruyter: Berlin, 2015; pp 187–216. Doi: 10.1515/9783110331998-010
   Google Scholar
• Sun, G.; Zhang, Z. "Mechanical properties of melamine-formaldehyde microcapsules", J. Microencapsulation 2001, 18, 593–602. Doi: 10.1080/02652040010019541
   PubMed Web of Science ®Google Scholar
• Yuan, L.; Liang, G. Z.; Xie, J. Q.; Guo, J.; Li, L. "Thermal stability of microencapsulated epoxy resins with poly(urea-formaldehyde)", Polym. Degrad. Stab. 2006, 91, 2300–2306. Doi: 10.1016/j.polymdegradstab.2006.04.026
   Web of Science ®Google Scholar
• Powell, M. P. "Water-resistant micro-capsular opacifier system and products" US Patent 4,089,834, 1978.
   Google Scholar
• Yuan, L.; Liang, G. Z.; Xie, J. Q.; Li, L.; Guo, J. "The permeability and stability of microencapsulated epoxy resins", J. Mater. Sci. 2007, 42, 4390–4397. Doi: 10.1007/s10853-006-0606-6
   Web of Science ®Google Scholar
• Yuan, L.; Liang, G.; Xie, J.; Li, L.; Guo, J. "Preparation and characterization of poly(urea-formaldehyde) microcapsules filled with epoxy resins", Polymer. 2006, 47, 5338–5349. Doi: 10.1016/j.polymer.2006.05.051
   Web of Science ®Google Scholar
• Fei, X.; Zhao, H.; Zhang, B.; Cao, L.; Yu, M.; Zhou, J.; Yu, L. "Microencapsulation mechanism and size control of fragrance microcapsules with melamine resin shell", Colloids Surf. A 2015, 469, 300–306. Doi: 10.1016/j.colsurfa.2015.01.033
   Web of Science ®Google Scholar
• Liu, X.; Sheng, X.; Lee, J. K.; Kessler, M. R. "Synthesis and characterization of melamine-urea-formaldehyde microcapsules containing ENB-based self-healing agents", Macromol. Mater. Eng. 2009, 294, 389–395. Doi: 10.1002/mame.200900015
   Web of Science ®Google Scholar
• Duan, B. "Microencapsulation via in situ polymerization", In Handbook of Encapsulation and Controlled Release; Mishra, M., Ed.; CRC Press: Boca Raton, FL, 2016; pp 307–314. Doi: 10.1201/b19038-19
   Google Scholar
• Boh, B.; Sumiga, B. "In situ polymerisation microcapsules", Bioencapsulation Innov. 2013, 4–6.
   Google Scholar
• Dietrich, K.; Herma, H.; Nastke, R.; Bonatz, E.; Teige, W. "Amino resin microcapsules. I. Literature and patent review", Acta Polym. 1989, 40, 243–251. Doi: 10.1002/actp.1989.010400406
   Google Scholar
• Sobel, R.; Versic, R.; Gaonkar, A. G. "Introduction to microencapsulation and controlled delivery in foods", In Microencapsulation in the Food Industry: A Practical Implementation Guide; Gaonkar, A. G., Vasisht, N., Khare, A. R., Sobel, R., Eds.; Elsevier Inc./Academic Press: San Diego, CA, 2014. pp 3–12. Doi: 10.1016/B978-0-12-404568-2.00001-7
   Google Scholar
• Thies, C. "Physicochemical aspects of microencapsulation", Polym. Plast. Technol. Eng. 1975, 5, 1–22. Doi: 10.1080/03602557508063091
   Web of Science ®Google Scholar
• Percy, S. R. "Improvement in drying and concentrating liquid substances by atomizing", US Patent 125,406, 1872.
   Google Scholar
• Macaulay, N. "Recording paper coated with microscopic capsules of coloring material, capsules and method of making", US Patent 3,016,308, 1962.
   Google Scholar
• Bungenberg de Jong, H. G.; Kruyt, H. R. "Koacervation", Kolloid Zeitschrift 1930, 50, 39–48. Doi: 10.1007/BF01422833
   Google Scholar
• Thies, C. "A survey of microencapsulation processes", In Microencapsulation - Methods and Industrial Applications; Simon, B., Ed.; Marcel Dekker: New York, NY, 1996; pp 1–19.
   Google Scholar
• Vassiliades, A. E. "Microcapsules, process for their formation and transfer sheet record material coated therewith", US Patent 3,993,831, 1976.
   Google Scholar
• Hasler, D. J.; McGhee, T. A. "Microcapsules methods for their preparation, and sheet material carrying microcapsules", US Patent 4,105,823, 1978.
   Google Scholar
• Zhang, Y.; Rochefort, D. "Characterisation and applications of microcapsules obtained by interfacial polycondensation", J. Microencapsulation 2012, 29, 1–14. Doi: 10.3109/02652048.2012.676092
   PubMed Web of Science ®Google Scholar
• Baxter, G. "Microencapsulation processes in modern business forms", In Microencapsulation: Processes and Applications; Vandegaer, J. E., Ed.; Plenum Press: New York, 1974; pp 127–143. Doi: 10.1007/978-1-4684-0739-6_11
   Google Scholar
• Veatch, F.; Burhans, R. W. "Process of producing hollow particles and resulting product", US Patent 2,797,201, 1957.
   Google Scholar
• Soloway, S. "Encapsulation of natural products", US Patent 3,137,631, 1964.
   Google Scholar
• Geary, R. J. "Particulate pesticidal composition coated with an amido-aldehyde resin polymerized in situ", US Patent 3,074,845, 1963.
   Google Scholar
• Matson, G. W. "Microcapsules and process of making", US Patent 3,516,941, 1970.
   Google Scholar
• Matson, G. W. "Microcapsules-containing paper", US Patent 3,516,846, 1970.
   Google Scholar
• Shrewsbury, R. W. "Copy sheet having a layer of thermally rupturable hollow microcapsules on a conductive backing and the method of use ", US Patent 3,318,697, 1967.
   Google Scholar
• Deckert, F. W.; Matson, G. W. "Sealant having epoxide encapsulated by aminoplast shell and polymeric binder", US Patent 3,642,937, 1972.
   Google Scholar
• White, S. R.; Sottos, N. R.; Geubelle, P. H.;Moore, J. S.; Kessler, M. R.; Sriram, S. R.; Brown, E. N.; Viswanathan, S. "Autonomic healing of polymer composites", Nature 2001, 409, 794–797. Doi: 10.1038/35057232
   PubMed Web of Science ®Google Scholar
• Shchukin, D.; Möhwald, H. "A coat of many applications", Science 2013, 341, 1458–1459. Doi: 10.1126/science.1242895
   PubMed Web of Science ®Google Scholar
• Tong, X.-M.; Zhang, T.; Yang, M.-Z.; Zhang, Q. "Preparation and characterization of novel melamine modified poly(urea-formaldehyde) self-repairing microcapsules", Colloids Surf. A 2010, 371, 91–97. Doi: 10.1016/j.colsurfa.2010.09.009
   Web of Science ®Google Scholar
• Wang, R.; Hu, H.; Liu, W.; He, X.; Guo, Q. "The effect of synthesis condition on physical properties of epoxy-containing microcapsules", J. Appl. Polym. Sci. 2012, 124, 1866–1879. Doi: 10.1002/app.35207
   Web of Science ®Google Scholar
• Yin, T.; Rong, M. Z.; Zhang, M. Q.; Yang, G. C. "Self-healing epoxy composites - Preparation and effect of the healant consisting of microencapsulated epoxy and latent curing agent", Compos. Sci. Technol. 2007, 67, 201–212. Doi: 10.1016/j.compscitech.2006.07.028
   Web of Science ®Google Scholar
• Cosco, S.; Ambrogi, V.; Musto, P.; Carfagna, C. "Urea-formaldehyde microcapsules containing an epoxy resin: Influence of reaction parameters on the encapsulation yield", Macromol. Symp. 2006, 234, 184–192. Doi: 10.1002/masy.200650224
   Google Scholar
• Cosco, S.; Ambrogi, V.; Musto, P.; Carfagna, C. "Properties of poly(urea-formaldehyde) microcapsules containing an epoxy resin", J. Appl. Polym. Sci. 2007, 105, 1400–1411. Doi: 10.1002/app.26263
   Web of Science ®Google Scholar
• Blaiszik, B. J.; Caruso, M. M.; McIlroy, D. A.;Moore, J. S.; White, S. R.; Sottos, N. R. "Microcapsules filled with reactive solutions for self-healing materials", Polymer. 2009, 50, 990–997. Doi: 10.1016/j.polymer.2008.12.040
   Web of Science ®Google Scholar
• Diem, H.; Matthias, G.; Wagner, R. A. "Amino resins", In Ullmann's Encyclopedia of Industrial Chemistry; Elvers, B. Ed.; Wiley-VCH: Weinheim, 2012; Vol. 3, pp 79–106. Doi: 10.1002/14356007.a02_115.pub2
   Google Scholar
• Braun, D.; Ritzert, H.-J. "Urea-formaldehyde and melamine-formaldehyde polymers", In Comprehensive Polymer Science and Supplements; Allen, G., Bevington, J. C., Eds.; Pergamon Press: Oxford, 1989; Vol. 5, pp 649–665. Doi: 10.1016/B978-0-08-096701-1.00177-4
   Google Scholar
• Brydson, J. A. "Aminoplastics", In Plastics Materials; 7th ed., Brydson, J. A. Ed.; Butterworth-Heinemann: Oxford, 1999; pp 668–693. Doi: 10.1016/B978-075064132-6/50065-6
   Google Scholar
• Dunky, M. "Urea–formaldehyde (UF) adhesive resins for wood", Int. J. Adhes. Adhes. 1998, 18, 95–107. Doi: 10.1016/S0143-7496(97)00054-7
   Web of Science ®Google Scholar
• Pizzi, A. "Urea–formaldehyde adhesives", In Handbook of Adhesive Technology; Pizzi, A., Mittal, K. L., Eds.; Dekker: New York, NY, 2003; Ch. 31. pp 1–18. Doi: 10.1201/9780203912225.ch31
   Google Scholar
• Williams, L. L. "Amino resins and plastics", In Encyclopedia of Polymer Science and Technology; Mark, H. F., Ed.; John Wiley and Sons: Hoboken, NJ, 2003; Vol. 1, pp 340–371. Doi: 10.1002/0471440264.pst017
   Google Scholar
• Crowe, G. A.; Lynch, C. L. "Urea-formaldehyde kinetic studies", J. Am. Chem. Soc. 1948, 70, 3795–3797. Doi: 10.1021/ja01191a075
   PubMed Web of Science ®Google Scholar
• Crowe, G. A.; Lynch, C. C. "Polarographic urea-formaldehyde kinetic studies", J. Am. Chem. Soc. 1949, 71, 3731–3733. Doi: 10.1021/ja01179a040
   Web of Science ®Google Scholar
• Smets, G.; Borzee, A. "Réactions de condensation de formaldéhyde et d'urée", J. Polym. Sci. 1952, 8, 371–394. Doi: 10.1002/pol.1952.120080403
   Web of Science ®Google Scholar
• de Jong, J. I. "Note on the reaction of urea and formaldehyde", Recl. des Trav. Chim. des Pays-Bas 1950, 69, 1566. Doi: 10.1002/recl.19500691213
   Google Scholar
• de Jong, J. I.; de Jonge, J. "The reaction of urea with formaldehyde", Recl. des Trav. Chim. des Pays-Bas 1952, 71, 643–660. Doi: 10.1002/recl.19520710704
   Google Scholar
• de Jong, J. I.; de Jonge, J. "The formation and decomposition of dimethylolurea", Recl. des Trav. Chim. des Pays-Bas 1952, 71, 661–667. Doi: 10.1002/recl.19520710705
   Google Scholar
• de Jong, J. I.; de Jonge, J.; Eden, H. A. K. "The formation of trimethylol urea", Recl. des Trav. Chim. des Pays-Bas 1953, 72, 88–90. Doi: 10.1002/recl.19530720111
   Google Scholar
• de Jong, J. I.; de Jonge, J. "Kinetics of the formation of methylene linkages in solutions of urea and formaldehyde", Recl. des Trav. Chim. des Pays-Bas 1953, 72, 139–156. Doi: 10.1002/recl.19530720211
   Google Scholar
• de Jong, J. I.; de Jong, J. "The hydrolysis of methylene diurea", Recl. des Trav. Chim. des Pays-Bas 1953, 72, 202–206. Doi: 10.1002/recl.1953072
   Google Scholar
• de Jong, J. I.; de Jonge, J. "Kinetics of the reaction between mono- methylolurea and methylene diurea", Recl. des Trav. Chim. des Pays-Bas 1953, 72, 207–212. Doi: 10.1002/recl.19530720306
   Google Scholar
• Landqvist, N. "On the reaction between urea and formaldehyde in neutral and alkaline solutions. 1. Experimental studies of the rates of the equimolecular reaction", Acta Chem. Scand. 1955, 9, 1127–1142. Doi: 10.3891/acta.chem.scand.09-1127
   Google Scholar
• Landqvist, N. "On the reaction between urea and formaldehyde in neutral and alkaline solutions. 2. Experimental Studies of the Rates of the Equimolecular Reaction between monomethylol urea and formaldehyde", Acta Chem. Scand. 1955, 9, 1459–1465. Doi: 10.3891/acta.chem.scand.09-1459
   Google Scholar
• Landqvist, N. "On the reaction between urea and formaldehyde in neutral and alkaline solutions. 3. Experimental studies of the rates of hydrolysis of monomethylol urea", Acta Chem. Scand. 1955, 9, 1466–1470. Doi: 10.3891/acta.chem.scand.09-1466
   Google Scholar
• Landqvist, N. "On the reaction between urea and formaldehyde in neutral and alkaline solutions. 4. Experimental studies of the rates of hydrolysis of dimethylol urea", Acta Chem. Scand. 1955, 9, 1471–1476. Doi: 10.3891/acta.chem.scand.09-1471
   Google Scholar
• Landqvist, N. "On the reaction between urea and formaldehyde in neutral and alkaline solutions. 5. Experimental studies of the order of the “equimolecular” reaction between urea and formaldehyde at equal concentrations of the reactants", Acta Chem. Scand. 1955, 9, 1477–1483. Doi: 10.3891/acta.chem.scand.09-1477
   Google Scholar
• Landqvist, N. "On the reaction between urea and formaldehyde in neutral and alkaline solutions. 6. Experimental studies of the activation energy and the heat of reaction", Acta Chem. Scand. 1956, 10, 244–248. Doi: 10.3891/acta.chem.scand.10-0244
   Google Scholar
• Landqvist, N. "On the reaction between urea and formaldehyde in neutral and alkaline solutions. 7. A spectrophotometrical method for quantitative determination of urea and methylol ureas of the reaction mixture", Acta Chem. Scand. 1957, 11, 776–779. Doi: 10.3891/acta.chem.scand.11-0776
   Google Scholar
• Landqvist, N. "On the reaction between urea and formaldehyde in neutral and alkaline solutions. 8. Studies of the reactions and equilibria at formaldehyde-urea molecular ratios in the range 1.4-2.0", Acta Chem. Scand. 1957, 11, 780–785. Doi: 10.3891/acta.chem.scand.11-0780
   Google Scholar
• Landqvist, N. "On the reaction between urea and formaldehyde in neutral and alkaline solutions. 9. The influence of methanol on the rates of reaction", Acta Chem. Scand. 1957, 11, 786–791. Doi: 10.3891/acta.chem.scand.11-0786
   Google Scholar
• Landqvist, N. "On the reaction between urea and formaldehyde in neutral and alkaline solutions. 10. Notes on the reaction mechanism", Acta Chem. Scand. 1957, 11, 792–803. Doi: 10.3891/acta.chem.scand.11-0792
   Google Scholar
• Steinhof, O.; Kibrik, É. J.; Scherr, G.; Hasse, H. "Quantitative and qualitative 1H, 13C, and 15N NMR spectroscopic investigation of the urea-formaldehyde resin synthesis", Magn. Reson. Chem. 2014, 52, 138–162. Doi: 10.1002/mrc.4044
   PubMed Web of Science ®Google Scholar
• Winkelman, J. G. M.; Voorwinde, O. K.; Ottens, M.; Beenackers, A. A. C. M.; Janssen, L. P. B. M. "Kinetics and chemical equilibrium of the hydration of formaldehyde", Chem. Eng. Sci. 2002, 57, 4067–4076. Doi: 10.1016/S0009-2509(02)00358-5
   Web of Science ®Google Scholar
• Walker, J. F. Formaldehyde; Reinhold Publishing Corp.: New York, NY, 1944.
   Google Scholar
• Gaca, K. Z.; Parkinson, J. A.; Lue, L.; Sefcik, J. "Equilibrium Speciation in Moderately Concentrated Formaldehyde − Methanol − Water Solutions Investigated Using 13C and 1H Nuclear Magnetic Resonance Spectroscopy", Ind. Eng. Chem. Res. 2014, 53, 9262–9271. Doi: 10.1021/ie403252x
   Web of Science ®Google Scholar
• Wadano, M. "Über die saure Natur wäßriger Formaldehyd-Lösungen", Berichte der Dtsch. Chem. Gesellschaft 1934, 67, 191–197.
   Google Scholar
• Gaál, F. F.; Avramović, B. D. "Determination of total free acid in formaldehyde by coulometric catalytic thermometric titration", J. Therm. Anal. 1983, 26, 285–289. Doi: 10.1007/BF01913214
   Web of Science ®Google Scholar
• Bowman, P. I.; Burton, J. "Stabilization of the acidity of formaldehyde solutions", US Patent 2,253,999, 1941.
   Google Scholar
• Ott, M.; Fischer, H. H.; Maiwald, M.; Albert, K.; Hasse, H. "Kinetics of oligomerization reactions in formaldehyde solutions: NMR experiments up to 373 K and thermodynamically consistent model", Chem. Eng. Process. Process Intensif. 2005, 44, 653–660. Doi: 10.1016/j.cep.2003.07.004
   Web of Science ®Google Scholar
• Glutz, B. R.; Zollinger, H. "Allgemeine säure-basen-katalyse der monomethylol-bildung aus harnstoff und formaldehyd in wasser", Helv. Chim. Acta 1976, 52, 1976–1984. Doi: 10.1002/hlca.19690520722
   Web of Science ®Google Scholar
• Nair, B. R.; Francis, D. J. "Kinetics and mechanism of urea- formaldehyde reaction", Polymer 1983, 24, 626–630. Doi: 10.1016/0032-3861(83)90118-0
   Web of Science ®Google Scholar
• Lei, H.; Frazier, C. E. "Curing behavior of melamine-urea-formaldehyde (MUF) resin adhesive", Int. J. Adhes. Adhes. 2015, 62, 40–44. Doi: 10.1016/j.ijadhadh.2015.06.013
   Web of Science ®Google Scholar
• Glutz, B. R.; Zollinger, H. "Allgemeine säure-basen-katalyse der monomethylol-bildung aus harnstoff und formaldehyd in wasser", Helv. Chim. Acta 1969, 52, 1976–1984. Doi: 10.1002/hlca.19690520722
   Web of Science ®Google Scholar
• Li, T. H.; Wang, C. M.; Xie, X. G.; Du, G. Ben. "A computational exploration of the mechanisms for the acid-catalytic urea-formaldehyde reaction: New insight into the old topic", J. Phys. Org. Chem. 2012, 25, 118–125. Doi: 10.1002/poc.1880
   Web of Science ®Google Scholar
• Chuang, I.-S.; Maciel, G. E. "13C CP/MAS NMR study of the structural dependence of urea-formaldehyde resins on formaldehyde-to-urea molar ratios at different urea concentrations and pH values", Macromolecules 1992, 25, 3204–3226. Doi: 10.1021/ma00038a029
   Web of Science ®Google Scholar
• Ferra, J. M. M.; Mendes, A. M.; Costa, M. R. N.;Carvalho, L. H.; Magalhães, F. D. "A study on the colloidal nature of urea-formaldehyde resins and its relation with adhesive performance", J. Appl. Polym. Sci. 2010, 118, 1956–1968. Doi: 10.1002/app.31112
   Web of Science ®Google Scholar
• Despres, A.; Pizzi, A. "Colloidal aggregation of aminoplastic polycondensation resins: Urea-formaldehyde versus melamine-formaldehyde and melamine-urea-formaldehyde resins", J. Appl. Polym. Sci. 2006, 100, 1406–1412. Doi: 10.1002/app.23230
   Web of Science ®Google Scholar
• Dunker, A. K.; John, W. E.; Rammon, R.; Farmer, B.; Johns, S. J. "Slightly bizarre protein chemistry: Urea-formaldehyde resin from a biochemical perspective", J. Adhes. 1986, 19, 153–176. Doi: 10.1080/00218468608071219
   Web of Science ®Google Scholar
• Motter, W. K. "The formation of the colloidal phase in low mole ratio urea-formaldehyde resins", Washington State University, 1990.
   Google Scholar
• Pratt, T. J.; Johns, W. E.; Rammon, R. M.;Plagemann, W. L. "A novel concept on the structure of cured urea-formaldehyde resin", J. Adhes. 1985, 17, 275–295. Doi: 10.1080/00218468508081165
   Web of Science ®Google Scholar
• Mehdiabadi, S.; Nehzat, M. S.; Bagheri, R. "Correlating viscosity in urea-formaldehyde polymerization", J. Appl. Polym. Sci. 1998, 69, 631–636. Doi: 10.1002/(SICI)1097-4628(19980725)69:4%3c631::AID-APP1%3e3.0.CO;2-K
   Web of Science ®Google Scholar
• Gray, A.; Egan, S.; Bakalis, S.; Zhang, Z. "Determination of microcapsule physicochemical, structural, and mechanical properties", Particuology 2016, 24, 32–43. Doi: 10.1016/j.partic.2015.06.002
   Web of Science ®Google Scholar
• Bao, L.; Zhang, F.; Chen, T.; Cao, J.; Chen, Y.; Bai, Y. "Novel submicron poly(urea-formaldehyde) and essence of jasmine microcapsules with enhanced sustained release", Flavour Fragr. J. 2015, 30, 459–466. Doi: 10.1002/ffj.3263
   Web of Science ®Google Scholar
• Silva, A. F. T.; Burggraeve, A.; Denon, Q.; Van Der Meeren, P.; Sandler, N.; Van Den Kerkhof, T.; Hellings, M.; Vervaet, C.; Remon, J. P.;Lopes, J. A.; De Beer, T. "Particle sizing measurements in pharmaceutical applications: Comparison of in-process methods versus off-line methods", Eur. J. Pharm. Biopharm. 2013, 85, 1006–1018. Doi: 10.1016/j.ejpb.2013.03.032
   PubMed Web of Science ®Google Scholar
• Treffer, D.; Wahl, P. R.; Hörmann, T. R.; Markl, D.; Schrank, S.; Jones, I.; Cruise, P.; Mürb, R. K.; Koscher, G.; Roblegg, E.; Khinast, J. G. "In-line implementation of an image-based particle size measurement tool to monitor hot-melt extruded pellets", Int. J. Pharm. 2014, 466, 181–189. Doi: 10.1016/j.ijpharm.2014.03.022
   PubMed Web of Science ®Google Scholar
• Chuanjie, F.; Juntao, T.; Xiaodong, Z. "Effects of process parameters on the physical properties of poly (urea-formaldehyde) microcapsules prepared by a one-step method", Iran. Polym. J. (English Ed.) 2013, 22, 665–675. Doi: 10.1007/s13726-013-0165-z
   Web of Science ®Google Scholar
• Brown, E. N.; Kessler, M. R.; Sottos, N. R.;White, S. R. "In situ poly(urea-formaldehyde) microencapsulation of dicyclopentadiene", J. Microencapsulation 2003, 20, 719–730. Doi: 10.3109/02652040309178083
   PubMed Web of Science ®Google Scholar
• Pretzl, M.; Neubauer, M.; Tekaat, M.; Kunert, C.; Kuttner, C.; Leon, G.; Berthier, D.; Erni, P.; Ouali, L.; Fery, A. "Formation and mechanical characterization of aminoplast core/shell microcapsules", Appl. Mater. Interfaces 2012, 4, 2940–2948. Doi: 10.1021/am300273b
   PubMed Web of Science ®Google Scholar
• Ambrosi, M.; Fratini, E.; Baglioni, P.; Vannucci, C.; Bartolini, A.; Pintens, A.; Smets, J. "Microcapsules for confining fluids: Prediction of shell stability from advanced SAXS investigations", J. Phys. Chem. C 2016, 120, 13514–13522. Doi: 10.1021/acs.jpcc.6b02113
   Web of Science ®Google Scholar
• Yuan, L.; Chen, F.; Gu, A.; Liang, G.; Lin, C.; Huang, S.; Nutt, S.; Chen, G.; Gao, Y. "Synthesis of poly(urea-formaldehyde) encapsulated dibutyltin dilaurate through the self-catalysis of core materials", Polym. Bull. 2014, 71, 261–273. Doi: 10.1007/s00289-013-1059-0
   Web of Science ®Google Scholar
• Lebedeva, O. V.; Kim, B. S.; Vinogradova, O. I. "Mechanical properties of polyelectrolyte-filled multilayer microcapsules studied by atomic force and confocal microscopy", Langmuir 2004, 20, 10685–10690. Doi: 10.1021/la048665s
   PubMed Web of Science ®Google Scholar
• Caruso, M. M.; Blaiszik, B. J.; Jin, H.; Schelkopf, S. R.; Stradley, D. S.; Sottos, N. R.; White, S. R.; Moore, J. S. "Robust, double-walled microcapsules for self-healing polymeric materials", ACS Appl. Mater. Interfaces 2010, 2, 1195–1199. Doi: 10.1021/am100084k
   PubMed Web of Science ®Google Scholar
• Dubreuil, F.; Elsner, N.; Fery, A. "Elastic properties of polyelectrolyte capsules studied by atomic-force microscopy and RICM", Eur. Phys. J. 2003, 12, 215–221. Doi: 10.1140/epje/i2003-10056-0
   Web of Science ®Google Scholar
• Adi, S.; Adi, H.; Chan, H. K.; Young, P. M.;Traini, D.; Yang, R.; Yu, A. "Scanning white-light interferometry as a novel technique to quantify the surface roughness of micron-sized particles for inhalation", Langmuir 2008, 24, 11307–11312. Doi: 10.1021/la8016062
   PubMed Web of Science ®Google Scholar
• Xie, H. G.; Zheng, J. N.; Li, X. X.; Liu, X. D.; Zhu, J.; Wang, F.; Xie, W. Y.; Ma, X. J. "Effect of surface morphology and charge on the amount and conformation of fibrinogen adsorbed onto alginate/chitosan microcapsules", Langmuir 2010, 26, 5587–5594. Doi: 10.1021/la903874g
   PubMed Web of Science ®Google Scholar
• Kietzke, T.; Stiller, B.; Landfester, K.; Montenegro, R.; Neher, D. "Probing the local optical properties of layers prepared from polymer nanoparticles", Synth. Met. 2005, 152, 101–104. Doi: 10.1016/j.synthmet.2005.07.183
   Web of Science ®Google Scholar
• Utama, R. H.; Dulle, M.; Förster, S.; Stenzel, M. H.; Zetterlund, P. B. "SAXS analysis of shell formation during nanocapsule synthesis via inverse miniemulsion periphery RAFT polymerization", Macromol. Rapid Commun. 2015, 36, 1267–1271. Doi: 10.1002/marc.201500096
   PubMed Web of Science ®Google Scholar
• Lv, L.; Yang, Z.; Chen, G.; Zhu, G.; Han, N.; Schlangen, E.; Xing, F. "Synthesis and characterization of a new polymeric microcapsule and feasibility investigation in self-healing cementitious materials", Constr. Build. Mater. 2016, 105, 487–495. Doi: 10.1016/j.conbuildmat.2015.12.185
   Web of Science ®Google Scholar
• Barigou, M. "Particle tracking in opaque mixing systems: An overview of the capabilities of PET and PEPT", Chem. Eng. Res. Des. 2004, 82, 1258–1267. Doi: 10.1205/cerd.82.9.1258.44160
   Web of Science ®Google Scholar
• Zaleski, R.; Maciejewska, M.; Puzio, M. "Mechanical stability of porous copolymers by positron annihilation lifetime spectroscopy", J. Phys. Chem. C 2015, 119, 11636–11645. Doi: 10.1021/acs.jpcc.5b01722
   Web of Science ®Google Scholar
• Wang, Y.; Bai, W. Y.; Cui, Z. C. "Fourier transform infrared spectroscopic study of pesticide microcapsules influenced by formaldehyde to urea ratio", Spectrosc. Lett. 2015, 48, 259–264. Doi: 10.1080/00387010.2013.874358
   Web of Science ®Google Scholar
• Suryanarayana, C.; Rao, K. C.; Kumar, D. "Preparation and characterization of microcapsules containing linseed oil and its use in self-healing coatings", Prog. Org. Coatings 2008, 63, 72–78. Doi: 10.1016/j.porgcoat.2008.04.008
   Web of Science ®Google Scholar
• Zeng, F.; Polanuyer, B. "Method for measuring encapsulation efficiency for hydrophobic actives", US Patent 9,575,036, 2017.
   Google Scholar
• Li, H.; Wang, R.; Hu, H.; Liu, W. "Surface modification of self-healing poly(urea-formaldehyde) microcapsules using silane-coupling agent", Appl. Surf. Sci. 2008, 255, 1894–1900. Doi: 10.1016/j.apsusc.2008.06.170
   Web of Science ®Google Scholar
• Nguyen, L.-T. T.; Hillewaere, X. K. D.; Teixeira, R. F. a.; van den Berg, O.; Du Prez, F. E. "Efficient microencapsulation of a liquid isocyanate with in situ shell functionalization", Polym. Chem. 2015, 6, 1159–1170. Doi: 10.1039/C4PY01448K
   Web of Science ®Google Scholar
• Caruso, M. M.; Blaiszik, B. J.; White, S. R.;Sottos, N. R.; Moore, J. S. "Full recovery of fracture toughness using a nontoxic solvent-based self-healing system", Adv. Funct. Mater. 2008, 18, 1898–1904. Doi: 10.1002/adfm.200800300
   Web of Science ®Google Scholar
• Fan, C.; Tang, J.; Zhou, X. "Role of ammonium chloride in preparing poly(urea-formaldehyde) microcapsules using one-step method", J. Appl. Polym. Sci. 2013, 129, 2848–2856. Doi: 10.1002/app.39008
   Web of Science ®Google Scholar
• Shi, H.; Liu, F.; Han, E. H. "Surface-engineered microcapsules by layer-by-layer assembling for entrapment of corrosion inhibitor", J. Mater. Sci. Technol. 2015, 31, 512–516. Doi: 10.1016/j.jmst.2014.10.008
   Web of Science ®Google Scholar
• Su, J.; Wang, L.; Ren, L. "Fabrication and thermal properties of microPCMs: Used melamine-formaldehyde resin as shell material", J. Appl. Polym. Sci. 2006, 101, 1522–1528. Doi: 10.1002/app.23151
   Web of Science ®Google Scholar
• Li, B.; Dong, G.; Zhang, C. "Storage stability and solubility of poly(urea- formaldehyde) microcapsules containing a-olefin drag reducing polymer", J. Appl. Polym. Sci. 2011, 122, 1450–1456. Doi: 10.1002/app.34272
   Google Scholar
• Zhang, X. X.; Tao, X. M.; Yick, K. L.; Fan, Y. F. "Expansion space and thermal stability of microencapsulated n-octadecane", J. Appl. Polym. Sci. 2005, 97, 390–396. Doi: 10.1002/app.21760
   Web of Science ®Google Scholar
• Wang, R.; Li, H.; Hu, H.; He, X.; Liu, W. "Preparation and characterization of self-healing microcapsules with poly(urea-formaldehyde) grafted epoxy functional group shell", J. Appl. Polym. Sci. 2009, 113, 1501–1506. Doi: 10.1002/app.30001
   Web of Science ®Google Scholar
• Neubauer, M. P.; Poehlmann, M.; Fery, A. "Microcapsule mechanics: From stability to function", Adv. Colloid Interface Sci. 2014, 207, 65–80. Doi: 10.1016/j.cis.2013.11.016
   PubMed Web of Science ®Google Scholar
• Mercadé-Prieto, R.; Allen, R.; Zhang, Z.; York, D.; Preece, J. A.; Goodwin, T. E. "Failure of elastic-plastic core-shell microcapsules under compression", AIChE J. 2012, 58, 2674–2681. Doi: 10.1002/aic.12804
   Web of Science ®Google Scholar
• Erkan, G.; Sariişik, M.; Pazarlioğlu, N. K. "The microencapsulation of terbinafine via in situ polymerization of melamine-formaldehyde and their application to cotton fabric", Polym. Appl. Polym. Sci. 2010, 118, 3707–3714. Doi: 10.1002/app.32525
   Web of Science ®Google Scholar
• Feng, C.; Zhang, C.; Kong, F.; Wang, J. "Synthesis of thiodiazole copper microcapsules and release behavior of inhibiting R. solanacearum", RSC Adv. 2014, 4, 4478–4486. Doi: 10.1039/C3RA45744C
   Web of Science ®Google Scholar
• Noh, H. H.; Lee, J. K. "Microencapsulation of self-healing agents containing a fluorescent dye", Express Polym. Lett. 2013, 7, 88–94. Doi: 10.3144/expresspolymlett.2013.8
   Web of Science ®Google Scholar
• Mercadé-Prieto, R.; Pan, X.; Fernández-González, A.; Zhang, Z.; Bakalis, S. "Quantification of microcapsules deposited in cotton fabrics before and after abrasion using fluorescence microscopy", Ind. Eng. Chem. Res. 2012, 51, 16741–16749. Doi: 10.1021/ie3023912
   Web of Science ®Google Scholar
• Long, Y.; Vincent, B.; York, D.; Zhang, Z.; Preece, J. A. "Organic–inorganic double shell composite microcapsules", Chem. Commun. 2010, 46, 1718. Doi: 10.1039/b911266a
   PubMed Web of Science ®Google Scholar
• Igari, Y.; Hori, Y.; Okamoto, T. "Microcapsule and process for production thereof", US Patent 6,486,099, 2002.
   Google Scholar
• Sansukcharearnpon, A.; Wanichwecharungruang, S.; Leepipatpaiboon, N.; Kerdcharoen, T.; Arayachukeat, S. "High loading fragrance encapsulation based on a polymer-blend: Preparation and release behavior", Int. J. Pharm. 2010, 391, 267–273. Doi: 10.1016/j.ijpharm.2010.02.020
   PubMed Web of Science ®Google Scholar
• Zhang, D. X.; Li, B. X.; Zhang, X. P.; Zhang, Z. Q.; Wang, W. C.; Liu, F. "Phoxim microcapsules prepared with polyurea and urea-formaldehyde resins differ in photostability and insecticidal activity", J. Agric. Food Chem. 2016, 64, 2841–2846. Doi: 10.1021/acs.jafc.6b00231
   PubMed Web of Science ®Google Scholar
• Mercadé-Prieto, R.; Allen, R.; York, D.; Preece, J. A.; Goodwin, T. E.; Zhang, Z. "Determination of the shell permeability of microcapsules with a core of oil-based active ingredient", J. Microencapsulation 2012, 29, 463–474. Doi: 10.3109/02652048.2012.658444
   PubMed Web of Science ®Google Scholar
• Charbonneau, J. W.; Law, R. S.; Ludwig, W. J.;Otteson, W. O. "Pressure-sensitive making materials", US Patent 4,201,404, 1980.
   Google Scholar
• Park, S.-J.; Shin, Y.-S.; Lee, J.-R. "Preparation and characterization of microcapsules containing lemon oil", J. Colloid Interface Sci. 2001, 241, 502–508. Doi: 10.1006/jcis.2001.7727
   Web of Science ®Google Scholar
• Petrovic, L. B.; Sovilj, V. J.; Katona, J. M.;Milanovic, J. L. "Influence of polymer-surfactant interactions on o/w emulsion properties and microcapsule formation", J. Colloid Interface Sci. 2010, 342, 333–339. Doi: 10.1016/j.jcis.2009.10.077
   PubMed Web of Science ®Google Scholar
• Wu, K.; Wang, Z.; Hu, Y. "Microencapsulated ammonium polyphosphate with urea–melamine–formaldehyde shell: Preparation, characterization, and its flame retardance in polypropylene", Polym. Adv. Technol. 2008, 19, 1118–1128. Doi: 10.1002/pat.1095
   Web of Science ®Google Scholar
• Shin, Y.; Yoo, D. I.; Son, K. "Development of thermoregulating textile materials with microencapsulated phase change materials (PCM). II. Preparation and application of PCM microcapsules", J. Appl. Polym. Sci. 2005, 96, 2005–2010. Doi: 10.1002/app.21438
   Web of Science ®Google Scholar
• Wang, Y. T.; Zhao, X. P.; Wang, D. W. "Electrophoretic ink using urea-formaldehyde microspheres", J. Microencapsulation 2006, 23, 762–768. Doi: 10.1080/02652040600788197
   PubMed Web of Science ®Google Scholar
• Morishita, S.; Matsushita, T. "Heat-sensitive recording sheet", US Patent 4,520,376, 1985.
   Google Scholar
• Yuan, L.; Gu, A.; Liang, G. "Preparation and properties of poly(urea-formaldehyde) microcapsules filled with epoxy resins", Mater. Chem. Phys. 2008, 110, 417–425. Doi: 10.1016/j.matchemphys.2008.02.035
   Web of Science ®Google Scholar
• Marathe, R. J.; Chaudhari, A. B.; Hedaoo, R. K.;Sohn, D.; Chaudhari, V. R.; Gite, V. V. "Urea formaldehyde (UF) microcapsules loaded with corrosion inhibitor for enhancing the anti-corrosive properties of acrylic-based multifunctional PU coatings", RSC Adv. 2015, 5, 15539–15546. Doi: 10.1039/C4RA16327C
   Web of Science ®Google Scholar
• Li, X. X.; Zhang, B.; Feng, Y. Q.; Li, X. G.;Wen, Z. Q. "Synthesis and characterisation of urea-formaldehyde microcapsules containing electrophoretic fluid with red-white particles", Mater. Res. Innov. 2012, 16, 261–266. Doi: 10.1179/1433075X11Y.0000000062
   Web of Science ®Google Scholar
• Qin, R.; Xu, G.; Guo, L.; Jiang, Y.; Ding, R. "Preparation and characterization of a novel poly(urea-formaldehyde) microcapsules with similar reflectance spectrum to leaves in the UV-Vis-NIR region of 300-2500 nm", Mater. Chem. Phys. 2012, 136, 737–743. Doi: 10.1016/j.matchemphys.2012.07.050
   Web of Science ®Google Scholar
• Fan, C.; Zhou, X. "Influence of operating conditions on the surface morphology of microcapsules prepared by in situ polymerization", Colloids Surf. A 2010, 363, 49–55. Doi: 10.1016/j.colsurfa.2010.04.012
   Google Scholar
• Hildebrand, J. H.; Scott, R. L. The Solubility of Nonelectrolytes; Reinhold: New York, 1950.
   Google Scholar
• Hansen, C. M. Hansen Solubility Parameters: A User's Handbook; CRC Press: Boca Raton, 2000.
   Google Scholar
• Stöver, H. D. H.; Li, W.-H.; Croll, L. M. "Method of encapsulating hydrophobic organic molecules in polyurea capsules", US Patent 0271735, 2005.
   Google Scholar
• Hofmeister, I.; Landfester, K.; Taden, A. "Controlled formation of polymer nanocapsules with high diffusion-barrier properties and prediction of encapsulation efficiency", Angew. Chem. Int. Ed. 2015, 54, 327–330. Doi: 10.1016/j.colsurfa.2010.04.012
   PubMed Web of Science ®Google Scholar
• Latnikova, A.; Grigoriev, D.; Möhwald, H.; Shchukin, D. "Microgel containers for self-healing polymeric materials: Morphology prediction and mechanism of formation", Polymer 2015, 73, 183–194. Doi: 10.1016/j.polymer.2015.07.048
   Web of Science ®Google Scholar
• Dietrich, K.; Bonatz, E.; Nastke, R.; Herma, H.; Walter, M.; Teige, W. "Amino resin microcapsules iv. Surface tension of the resins and mechanism of capsule formation", Acta Polym. 1990, 41, 91–94. Doi: 10.1002/actp.1990.010410205
   Google Scholar
• Fan, C.; Zhou, X. "Effect of emulsifier on poly(urea-formaldehyde) microencapsulation of tetrachloroethylene", Polym. Bull. 2011, 67, 15–27. Doi: 10.1007/s00289-010-0355-1
   Web of Science ®Google Scholar
• Tang, J.; Fan, C.; Lin, Q.; Zhou, X. "Smooth, stable and optically transparent microcapsules prepared by one-step method using sodium carboxymethyl cellulose as protective colloid", Colloids Surf. A 2014, 459, 65–73. Doi: 10.1016/j.colsurfa.2014.06.044
   Web of Science ®Google Scholar
• Chuanjie, F.; Xiaodong, Z. "Preparation and barrier properties of the microcapsules added nanoclays in the wall", Polym. Adv. Technol. 2009, 20, 934–939. Doi: 10.1002/pat.1342
   Web of Science ®Google Scholar
• Lee, H. Y.; Lee, S. J.; Cheong, I. W.; Kim, J. H. "Microencapsulation of fragrant oil via in situ polymerization: Effects of pH and melamine-formaldehyde molar ratio", J. Microencapsulation 2002, 19, 559–569. Doi: 10.1080/02652040210140472
   PubMed Web of Science ®Google Scholar
• Sgraja, M.; Blömer, J.; Bertling, J.; Jansens, P. J. "In situ encapsulation of tetradecene droplets in oil-in-water emulsions using amino resins", J. Appl. Polym. Sci. 2008, 110, 2366–2373. Doi: 10.1002/app.28329
   Web of Science ®Google Scholar
• Rochmadi, A. P.; Hasokowati, W. "Mechanism of microencapsulation with urea-formaldehyde polymer", Am. J. Appl. Sci. 2010, 7, 739–745. Doi: 10.3844/ajassp.2010.739.745
   Google Scholar
• Hwang, J.-S.; Kim, J.-N.; Wee, Y.-J.; Jang, H.-G.; Kim, S.-H.; Ryu, H.-W. "Factors affecting the characteristics of melamine resin microcapsules containing frangran oils", Biotechnol. Bioprocess Eng. 2006, 11, 391–395. Doi: 10.1007/BF02932304
   Web of Science ®Google Scholar
• Sanghvi, S. P.; Nairn, J. G. "Effect of viscosity and interfacial tension on particle size of cellulose acetate trimellitate microspheres.", J. Microencapsulation 1992, 9, 215–227. Doi: 10.3109/02652049109021238
   PubMed Web of Science ®Google Scholar
• Wang, J.; Zhao, X.; Guo, H.; Zheng, Q. "Preparation of microcapsules containing two-phase core materials", Langmuir 2004, 20, 10845–10850. Doi: 10.1021/la0490902
   PubMed Web of Science ®Google Scholar
• Landfester, K.; Bechthold, N.; Tiarks, F.; Antonietti, M. "Formulation and stability mechanisms of polymerizable miniemulsions", Macromolecules 1999, 32, 5222–5228. Doi: 10.1021/ma990299C
   Web of Science ®Google Scholar
• Torza, S.; Mason, S. G. "Three-phase interactions in shear and electrical fields", J. Colloid Interface Sci. 1970, 33, 67–83. Doi: 10.1016/0021-9797(70)90073-1
   Web of Science ®Google Scholar
• Feast, W. J., Munro, H. S., Richards, R. W., Eds. Polymer surfaces and interfaces II; Wiley: New York, NY, 1993.
   Google Scholar
• Thomasin, C.; Nam-Trân, H.; Merkle, H. P.;Gander, B. "Drug microencapsulation by PLA/PLGA coacervation in the light of thermodynamics. 1. Overview and theoretical considerations", J. Pharm. Sci. 1998, 87, 259–268. Doi: 10.1021/js970047r
   PubMed Web of Science ®Google Scholar
• Guo, H. L.; Zhao, X. P.; Wang, J. P. "The relation between narrow-dispersed microcapsules and surfactants.", J. Microencapsulation 2005, 22, 853–862. Doi: 10.1080/02652040500175198
   PubMed Web of Science ®Google Scholar
• Salaün, F.; Devaux, E.; Bourbigot, S.; Rumeau, P. "Influence of process parameters on microcapsules loaded with n-hexadecane prepared by in situ polymerization", Chem. Eng. J. 2009, 155, 457–465. Doi: 10.1016/j.cej.2009.07.018
   Web of Science ®Google Scholar
• Griffin, W. C. "Classification of surface-active agents by “HLB”", J. Soc. Cosmet. Chem. 1949, 1, 311–326.
   Google Scholar
• Griffin, W. C. "Calculation of HLB values of non-ionic surfactants", J. Soc. Cosmet. Chem. 1954, 5, 249–256.
   Google Scholar
• Davies, J. T. "A quantitative kinetic theory of emulsion type. I. Physical chemistry of the emulsifying agent", In Proceedings of the 2nd International Congress of Surface Activitiy; Chulman, J. H. S., Ed.; Butterworths: London, 1957; pp 426–438.
   Google Scholar
• ICI Americas. The HLB System: A time saving guide to emulsifier selection; Wilmington, 1980.
   Google Scholar
• Pasquali, R. C.; Taurozzi, M. P.; Bregni, C. "Some considerations about the hydrophilic-lipophilic balance system", Int. J. Pharm. 2008, 356, 44–51. Doi: 10.1016/j.ijpharm.2007.12.034
   PubMed Web of Science ®Google Scholar
• Golden, R. "Process for production of encapsulated water-dispersible materials", US Patent 4,157,983, 1973.
   Google Scholar
• Yin, D.; Ma, L.; Geng, W.; Zhang, B.; Zhang, Q. "Microencapsulation of n-hexadecanol by in situ polymerization of melamine–formaldehyde resin in emulsion stabilized by styrene–maleic anhydride copolymer", Int. J. Energy Res. 2015, 39, 661–667. Doi: 10.1002/er.3276
   Web of Science ®Google Scholar
• Holtzscherer, C.; Candau, F. "Application of the cohesive energy ratio concept (CER) to the formation of polymerizable microemulsions", Colloids and Surfaces 1988, 29, 411–423. Doi: 10.1016/0166-6622(88)80151-3
   Google Scholar
• Little, R. C. "Correlation of surfactant hydrophile-lipophile balance (HLB) with solubility parameter", J. Colloid Interface Sci. 1978, 65, 587–588. Doi: 10.1016/0021-9797(78)90116-9
   Web of Science ®Google Scholar
• Beerbower, A.; Hill, M. W. "Application of cohesive energy ratio (CER) concept to anionic surfactants", Am. Cosmet. Perfum 1972, 87, 85.
   Google Scholar
• Winsor, P. A. Solvent Properties of Amphiphilic Compounds; Butterworths: London, 1954.
   Google Scholar
• Hoshi, Y.; Matsukawa, H. "Process for preparing microcapsules by polymerization of urea and formaldehyde in the presence of gum arabic", US Patent 4,221,710, 1980.
   Google Scholar
• Foris, P. L.; Brown, R. W.; Phillips, P. S. J. "Capsule manufacture", US Patent 4,001,140, 1977.
   Google Scholar
• Foris, P. L.; Brown, R. W.; Phillips, P. S. J. "Capsule manufacture", US Patent 4,100,103, 1978.
   Google Scholar
• Fuchigami, M. "Micro-capsules and method for their production", US Patent 4,223,178, 1980.
   Google Scholar
• Saeki, K.; Matsukawa, H.; Satomura, M. "Method for preparing microcapsules", US Patent 4,251,386, 1981.
   Google Scholar
• Hoshi, Y.; Matsukawa, H. "Process for the production of microcapsules", US Patent 4,353,809, 1982.
   Google Scholar
• Schibler, L. "Process for the encapsulation of dispersible materials", US Patent 3,594,328, 1971.
   Google Scholar
• Yoshizawa, H.; Kamio, E.; Hirabayashi, N.; Jacobson, J.; Kitamura, Y. "Membrane formation mechanism of cross-linked polyurea microcapsules by phase separation method", J. Microencapsulation 2004, 21, 241–249. Doi: 10.1080/02652040410001673946
   PubMed Web of Science ®Google Scholar
• Yoshizawa, H.; Kamio, E.; Kobayashi, E.; Jacobson, J.; Kitamura, Y. "Investigation of alternative compounds to poly(E-MA) as a polymeric surfactant for preparation of microcapsules by phase separation method", J. Microencapsulation 2007, 24, 349–357. Doi: 10.1080/02652040601162699
   PubMed Web of Science ®Google Scholar
• Fereidoon, A.; Ghorbanzadeh Ahangari, M.; Jahanshahi, M. "Effect of nanoparticles on the morphology and thermal properties of self-healing poly(urea-formaldehyde) microcapsules", J. Polym. Res. 2013, 20, 1–8. Doi: 10.1007/s10965-013-0151-3
   Web of Science ®Google Scholar
• Song, Q.; Li, Y.; Xing, J.; Hu, J. Y.; Marcus, Y. "Thermal stability of composite phase change material microcapsules incorporated with silver nano-particles", Polymer 2007, 48, 3317–3323. Doi: 10.1016/j.polymer.2007.03.045
   Web of Science ®Google Scholar
• Niu, X.-W.; Sun, Y.-M.; Ding, S.-N.; Chen, C.-C.; Song, B.; Xu, H.-B.; Qi, Z.-J.; Qi, Q. "Synthesis of enhanced urea-formaldehyde resin microcapsules doped with nanotitania", J. Appl. Polym. Sci. 2011, 124, 248–256. Doi: 10.1002/app.34099
   Web of Science ®Google Scholar
• Ghorbanzadeh Ahangari, M.; Fereidoon, A.; Jahanshahi, M.; Sharifi, N. "Effect of nanoparticles on the micromechanical and surface properties of poly(urea-formaldehyde) composite microcapsules", Compos. Part B Eng. 2014, 56, 450–455. Doi: 10.1016/j.compositesb.2013.08.071
   Web of Science ®Google Scholar
• Huang, Y.; Xuan, Y. M.; Li, Q.; Che, J. F. "Preparation and characterization of magnetic phase-change microcapsules", Chinese Sci. Bull. 2009, 54, 318–323.
   Google Scholar
• Hayford, D. E. "Capsule manufacture", US Patent 4,444,699, 1984.
   Google Scholar
• Richmond, H. H.; Myers, G. S.; Wright, G. F. "The reaction between formaldehyde and ammonia", J. Am. Chem. Soc. 1948, 70, 3659–3664. Doi: 10.1021/ja01191a034
   PubMed Web of Science ®Google Scholar
• Scopelitis, E.; Pizzi, A. "Urea-resorcinol-formaldehyde adhesives of low resorcinol content", J. Appl. Polym. Sci. 1993, 48, 2135–2146. Doi: 10.1002/app.1993.070481208
   Web of Science ®Google Scholar
• Huang, Z.; Yu, X.; Li, W.; Liu, S. "Preparation of urea-formaldehyde paraffin microcapsules modified by carboxymethyl cellulose as a potential phase change material", J. For. Res. 2015, 26, 253–260. Doi: 10.1007/s11676-015-0027-y
   Web of Science ®Google Scholar
• Blaiszik, B. J.; Sottos, N. R.; White, S. R. "Nanocapsules for self-healing materials", Compos. Sci. Technol. 2008, 68, 978–986. Doi: 10.1016/j.compscitech.2007.07.021
   Web of Science ®Google Scholar
• IARC. Monographs on the Evaluation of Carcinogenic Risk to Humans; Lyon, 2006; Vol. 88.
   Google Scholar
• Smets, J.; Dihora, J. O.; Pintens, A.; Guinebretiere, S. J.; Druckrey, A. K.; Sands, P. D.; Yan, N. "Benefit agent containing delivery particle", US Patent 8,551,935, 2013.
   Google Scholar
• Boran, S.; Usta, M.; Gümüşkaya, E. "Decreasing formaldehyde emission from medium density fiberboard panels produced by adding different amine compounds to urea formaldehyde resin", Int. J. Adhes. Adhes. 2011, 31, 674–678. Doi: 10.1016/j.ijadhadh.2011.06.011
   Web of Science ®Google Scholar
• Costa, N. A.; Pereira, J.; Ferra, J.; Cruz, P.; Martins, J.; Magalhaes, F. D.; Mendes, A.; Carvalho, L. H. "Scavengers for achieving zero formaldehyde emission of wood-based panels", Wood Sci. Technol. 2013, 47, 1261–1272. Doi: 10.1007/s00226-013-0573-4
   Web of Science ®Google Scholar
• Braeckman, K. G.; Depoot, K. J. M.; Van Pachtenbeke, T. R. M.; Smets, J. "Composition comprising microcapsules", US Patent 0235525, 2014.
   Google Scholar
• Calabrese, R. V.; Chang, T. P. K.; Dang, P. T. "Drop breakup in turbulent stirred tank contactors. Part I: Effect of dispersed phase viscosity", AIChE J. 1986, 32, 657–666. Doi: 10.1002/aic.690320416
   Web of Science ®Google Scholar
• Kolmogorov, A. N. "The local structure of turbulence in incompressible viscous fluid for very large Reynolds numbers", Dokl. Akad. Nauk SSSR 1941, 30, 301.
   Google Scholar
• Sprow, F. B. "Distribution of drop sizes produced in turbulent liquid—liquid dispersion", Chem. Eng. Sci. 1967, 22, 435–442. Doi: 10.1016/0009-2509(67)80130-1
   Web of Science ®Google Scholar
• Armenante, P. M.; Kirwan, D. J. "Mass transfer to microparticles in agitated systems", Chem. Eng. Sci. 1989, 44, 2781–2796. Doi: 10.1016/0009-2509(89)85088-2
   Web of Science ®Google Scholar
• Dobetti, L.; Pantaleo, V. "Application of a hydrodynamic model to microencapsulation by coacervation", J. Microencapsulation 2002, 19, 139–151. Doi: 10.1080/02652040110055199
   PubMed Web of Science ®Google Scholar
• Furukawa, H.; Kato, Y.; Inoue, Y.; Kato, T.; Tada, Y.; Hashimoto, S. "Correlation of power consumption for several kinds of mixing impellers", Int. J. Chem. Eng. 2012, 2012, 106496. Doi: 10.1155/2012/106496
   Google Scholar
• Zhang, X. X.; Fan, Y. F.; Tao, X. M.; Yick, K. L. "Fabrication and properties of microcapsules and nanocapsules containing n-octadecane", Mater. Chem. Phys. 2004, 88, 300–307. Doi: 10.1016/j.matchemphys.2004.06.043
   Web of Science ®Google Scholar
• Nesterova, T.; Dam-Johansen, K.; Pedersen, L. T.; Kiil, S. "Microcapsule-based self-healing anticorrosive coatings: Capsule size, coating formulation, and exposure testing", Prog. Org. Coatings 2012, 75, 309–318. Doi: 10.1016/j.porgcoat.2012.08.002
   Web of Science ®Google Scholar
• Dietrich, K.; Bonatz, E.; Geistlinger, H.; Herma, H.; Nastke, R.; Purz, H.-J.; Schlawne, M.; Teige, W. "Amino resin microcapsules. II. Preparation and morphology", Acta Polym. 1989, 40, 325–331. Doi: 10.1002/actp.1989.010400507
   Google Scholar
• Su, J.-F.; Huang, Z.; Ren, L. "High compact melamine-formaldehyde microPCMs containing n-octadecane fabricated by a two-step coacervation method", Colloid Polym. Sci. 2007, 285, 1581–1591. Doi: 10.1007/s00396-007-1729-2
   Web of Science ®Google Scholar
• Iwasaki, H.; Irii, S. "Microcapsules, method for their production and pressure sensitive copying sheet", US Patent 4,413,843, 1983.
   Google Scholar
• Zhao, C. Y.; Zhang, G. H. "Review on microencapsulated phase change materials (MEPCMs): Fabrication, characterization and applications", Renew. Sustain. Energy Rev. 2011, 15, 3813–3832. Doi: 10.1016/j.rser.2011.07.019
   Web of Science ®Google Scholar
• Song, J. K.; Choi, H. J.; Chin, I. "Preparation and properties of electrophoretic microcapsules for electronic paper", J. Microencapsulation 2007, 24, 11–19. Doi: 10.1080/02652040601058384
   PubMed Web of Science ®Google Scholar
• Wei, J.; Ju, X. J.; Zou, X. Y.; Xie, R.; Wang, W.; Liu, Y. M.; Chu, L. Y. "Multi-stimuli-responsive microcapsules for adjustable controlled-release", Adv. Funct. Mater. 2014, 24, 3312–3323. Doi: 10.1002/adfm.201303844
   Web of Science ®Google Scholar
• Fu, D.; Su, Y.; Xie, B.; Liu, G.; Li, Z.; Jiang, K.; Wang, D. "Pore decoration on microcapsule surface using nonionic surfactant micelles as template: Temperature effect and encapsulation mechanism investigation", Colloids Surf. A 2011, 384, 219–227. Doi: 10.1016/j.colsurfa.2011.03.054
   Web of Science ®Google Scholar
• Kulkarni, A. R.; Soppimath, K. S.; Aminabhavi, T. M. "Urea-formaldehyde nanocapsules for the controlled release of diclofenac sodium", J. Microencapsulation 2000, 17, 449–458. Doi: 10.1080/026520400405705
   PubMed Web of Science ®Google Scholar
• Blaiszik, B. J.; Kramer, S. L. B.; Olugebefola, S. C.; Moore, J. S.; Sottos, N. R.; White, S. R. "Self-healing polymers and composites", Annu. Rev. Mater. Res. 2010, 40, 179–211. Doi: 10.1146/annurev-matsci-070909-104532
   Web of Science ®Google Scholar
• Li, G.; Feng, Y.; Gao, P.; Li, X. "Preparation of mono-dispersed polyurea-urea formaldehyde double layered microcapsules", Polym. Bull. 2008, 60, 725–731. Doi: 10.1007/s00289-008-0894-x
   Web of Science ®Google Scholar
• Mookhoek, S. D.; Blaiszik, B. J.; Fischer, H. R.; Sottos, N. R.; White, S. R.; Van Der Zwaag, S. "Peripherally decorated binary microcapsules containing two liquids", J. Mater. Chem. 2008, 18, 5390–5394. Doi: 10.1039/b810542a
   Web of Science ®Google Scholar
• Zhang, B.; Zhang, T.; Wang, Q.; Ren, T. "Microorganism-based monodisperse microcapsules: Encapsulation of the fungicide tebuconazole and its controlled release properties", RSC Adv. 2015, 5, 25164–25170. Doi: 10.1039/C5RA01629K
   Web of Science ®Google Scholar
• Mark, J. E., Ed. Physical Properties of Polymers Handbook, 2nd Ed.; Springer Science and Business: New York, NY, 2007.
   Google Scholar
• Li, T. H.; Wang, C. M.; Xie, X. G.; Du, G. Ben. "A computational exploration of the mechanisms for the acid-catalytic urea-formaldehyde reaction: New insight into the old topic", J. Phys. Org. Chem. 2012, 25, 118–125. Doi: 10.1002/poc.1880
   Web of Science ®Google Scholar
• Ghosh, S. K. "Functional coatings and microencapsulation: A general perspective", In Functional Coatings; Ghosh, S. K., Ed.; Wiley-VCH: Weinheim, 2006; pp 1–28. Doi: 10.1002/3527608478.ch1
   Google Scholar
• Jyothi, N. V. N.; Prasanna, P. M.; Sakarkar, S. N.; Prabha, K. S.; Ramaiah, P. S.; Srawan, G. Y. "Microencapsulation techniques, factors influencing encapsulation efficiency", J. Microencapsulation 2010, 27, 187–197. Doi: 10.3109/02652040903131301
   PubMed Web of Science ®Google Scholar