Effect of Ultrasound on Molecular Structure Development of Polylactide

REFERENCES

• Bodmeiemr , R. ; Oh , K.H. ; Chenm , H. The effect of the addition of low molecular weight poly(dl-lactide) on drug release from biodegradable poly(dl-lactide) drug delivery systems . Int. J. Pharm. 1989 , 51 ( 1 ), 1 – 8 .
   Web of Science ®Google Scholar
• Coffin , M.D. ; McGinity , J.W. Biodegradable Pseudolatexes: The chemical stability of poly(D,L-Lactide) and poly (ϵ-Caprolactone) nanoparticles in aqueous media . Pharm. Res. 1992 , 9 ( 2 ), 200 – 205 .
   PubMed Web of Science ®Google Scholar
• Martin , O. ; Averous , L. Poly(lactic acid): Plasticization and properties of biodegradable multiphase systems . Polymer 2001 , 42 ( 14 ), 6209 – 6219 .
   Web of Science ®Google Scholar
• Virgilio , N. ; Sarazin , P. ; Favis , B.D. Ultraporous poly(l-lactide) scaffolds prepared with quaternary immiscible polymer blends modified by copolymer brushes at the interface . Polymer 2011 , 52 ( 7 ), 1483 – 1489 .
   Web of Science ®Google Scholar
• Rakmae , S. ; Lorprayoon , C. ; Ekgasit , S. ; Suppakarn , N. Influence of heat-treated bovine bone-derived hydroxyapatite on physical properties and in vitro degradation behavior of poly (Lactic Acid) composites . Polym. Plast. Technol. Eng. 2013 , 52 ( 10 ), 1043 – 1053 .
   Web of Science ®Google Scholar
• Teamsinsungvon , A. ; Ruksakulpiwat , Y. ; Jarukumjorn , K. Preparation and characterization of poly(lactic acid)/poly(butylene adipate-co-terepthalate) blends and their composite . Polym. Plast. Technol. Eng. 2013 , 52 ( 13 ), 1362 – 1367 .
   Web of Science ®Google Scholar
• Singla , R. ; Mehta , R. Preparation and characterization of polylactic acid-based biodegradable blends processed under microwave radiation . Polym. Plast. Technol. Eng. 2012 , 51 ( 10 ), 1014 – 1017 .
   Web of Science ®Google Scholar
• Jiang , S. ; Liao , G. Synthesis and characterization of biocompatible poly(ethylene glycol)-b-poly(L-lactide) and study on their electrospun scaffolds . Polym. Plast. Technol. Eng. 2012 , 51 ( 12 ), 1237 – 1244 .
   Web of Science ®Google Scholar
• Balakrishnan , H. ; Hassan , A. ; Imran , M. ; Wahit , M.U. Toughening of polylactic acid nanocomposites: A short review . Polym. Plast. Technol. Eng. 2012 , 51 ( 2 ), 175 – 192 .
   Web of Science ®Google Scholar
• Freiberg , S. ; Zhu , X.X. Polymer microspheres for controlled drug release . Int. J. Pharm. 2004 , 282 ( 1–2 ), 1 – 18 .
   PubMed Web of Science ®Google Scholar
• Ladrón de Guevara-Fernández , S. ; Ragel , C.V. ; Vallet-Regí , M. Bioactive glass-polymer materials for controlled release of ibuprofen . Biomaterials 2003 , 24 ( 22 ), 4037 – 4043 .
   PubMed Web of Science ®Google Scholar
• Miyajima , M. ; Koshika , A. ; Okada , J. ; Kusai , A. ; Ikeda , M. Factors influencing the diffusion-controlled release of papaverine from poly (l-lactic acid) matrix . J. Contr. Rel. 1998 , 56 ( 1–3 ), 85 – 94 .
   PubMed Web of Science ®Google Scholar
• Xiong , L. ; He , Z. Preparation and in-vitro properties of mPEG/PLA microspheres loaded 5-Fluorouracil for controlled release . Polym. Plast. Tech. Eng. 2013 , 52 ( 3 ), 268 – 272 .
   Web of Science ®Google Scholar
• Behnoodfar , D. ; Dadbin , S. ; Frounchi , M. PLA microspheres-embedded PVA hydrogels prepared by gamma-irradiation and freeze-thaw methods as drug release carriers . Inter. J. Polym. Mater. Polym. Biomater. 2013 , 62 ( 1 ), 28 – 33 .
   Web of Science ®Google Scholar
• Nakamichi , K. ; Yasuura , H. ; Fukui , H. ; Oka , M. ; Izumi , S. ; Andou , T. ; Shimizu , N. ; Ushimaru , K. A process for the manufacture of nifedipine hydroxypropyl-methylcellulose phthalate solid dispersions by means of a twin screw extruder and appraisal thereof . Yakuzaigaku 1996 , 56 ( 1 ), 15 – 22 .
   Google Scholar
• Rothen-Weinhold , A. ; Besseghir , K. ; Vuaridel , E. ; Sublet , E. ; Oudry , N. ; Kubel , F. ; Gurny , R. Injection-molding versus extrusion as manufacturing technique for the preparation of biodegradable implants . Eur. J. Pharm. Biopharm. 1999 , 48 ( 2 ), 113 – 121 .
   PubMed Web of Science ®Google Scholar
• Chen , G. ; Guo , S. ; Li , H. Ultrasonic improvement of the compatibility and rheological behavior of high-density polyethylene/polystyrene blends . J. Appl. Polym. Sci. 2002 , 86 ( 1 ), 23 – 32 .
   Web of Science ®Google Scholar
• Wu , H. ; Guo , S. Improved properties of metallocene-catalyzed linear low density polyethylene/polypropylene blends during ultrasonic extrusion Chin . J. Polym. Sci. 2007 , 25 ( 4 ), 357 – 364 .
   Web of Science ®Google Scholar
• Li , J. ; Guo , S. ; Li , X. Degradation kinetics of polystyrene and EPDM melts under ultrasonic irradiation . Polym. Degrad. Stab. 2005 , 89 ( 1 ), 6 – 14 .
   Web of Science ®Google Scholar
• Li , J. ; Liang , M. ; Guo , S. ; Lin , Y. Studies on chain scission and extension of polyamide 6 melt in the presence of ultrasonic irradiation . Polym. Degrad. Stab. 2004 , 86 ( 2 ), 323 – 329 .
   Web of Science ®Google Scholar
• Peng , B. ; Wu , H. ; Guo , S. ; Lai , S.Y. ; Jow , J. Static ultrasonic oscillations induced degradation and its effect on the linear rheological behavior of novel propylene based plastomer melts . Polym. Degrad. Stab. 2007 , 92 ( 8 ), 1632 – 1639 .
   Web of Science ®Google Scholar
• Xie , T. ; Wu , H. ; Bao , W. ; Guo , S. ; Chen , Y. ; Huang , H. ; Chen , H. ; Lai , S.Y. ; Jow , J. Enhanced compatibility of PA6/POE blends by POE-g-MAH prepared through ultrasound-assisted extrusion . J. Appl. Polym. Sci. 2010 , 118 ( 3 ), 1846 – 1853 .
   Web of Science ®Google Scholar
• Peng , B. ; Wu , H. ; Bao , W. ; Chen , Y. ; Huang , H. ; Lai , S.Y. ; Jow , J. Ultrasound initiated maleic anhydride grafted onto a novel polypropylene copolymer . Polym. Eng. Sci. 2012 , 52 ( 3 ), 518 – 524 .
   Web of Science ®Google Scholar
• Zhao , L. ; Li , J. ; Guo , S. ; Du , Q. Ultrasonic oscillations induced morphology and property development of polypropylene/montmorillonite nanocomposites . Polymer 2006 , 47 ( 7 ), 2460 – 2469 .
   Web of Science ®Google Scholar
• Ryu , J.G. ; Park , S.W. ; Kim , H. ; Lee , J.W. Power ultrasound effects for in situ compatibilization of polymer–clay nanocomposites . Mater. Sci. Eng. C 2004 , 24 ( 1–2 ), 285 – 288 .
   Web of Science ®Google Scholar
• Kim , H. ; Lee , J.W. Effect of ultrasonic wave on the degradation of polypropylene melt and morphology of its blend with polystyrene . Polymer 2002 , 43 ( 8 ), 2585 – 2589 .
   Web of Science ®Google Scholar
• Feng , W. ; Isayev , A.I. In situ compatibilization of PP/EPDM blends during ultrasound aided extrusion . Polymer 2004 , 45 ( 4 ), 1207 – 1216 .
   Web of Science ®Google Scholar
• Lee , S. ; Lee , Y. ; Lee , J.W. Effect of ultrasound on the properties of biodegradable polymer blends of poly(lactic acid) with poly(butylene adipate-co-terephthalate) . Macromol. Res. 2007 , 15 ( 1 ), 44 – 50 .
   Google Scholar
• Chaudhari , P.D.; Uttekar, P.S. Melt-Sonocrystallization: A novel particle engineering technique for solubility enhancement . Inter. J. Pharm. Technol. Res. 2009 , 1 ( 1 ), 111 – 120 .
   Google Scholar
• Luque de Castro , M.D. ; Priego-Capote , F. Ultrasound-assisted crystallization (sonocrystallization) . Ultrason Sonochem. 2007 , 14 ( 6 ), 717 – 724 .
   PubMed Web of Science ®Google Scholar
• Maheshwari , M. ; Jahagirdar , H. ; Paradkar , A. Melt sonocrystallization of ibuprofen: Effect on crystal properties . Eur. J. Pharm. Sci. 2005 , 25 ( 1 ), 41 – 48 .
   PubMed Web of Science ®Google Scholar
• Frank , A. ; Rath , S.K. ; Venkatraman , S.S. Controlled release from bioerodible polymers: Effect of drug type and polymer composition . J. Contr. Rel. 2005 , 102 ( 2 ), 333 – 344 .
   PubMed Web of Science ®Google Scholar
• Kiortosis , S. ; Kachrimanis , K. ; Broussali , Th. ; Malamataris , S. Drug release from tableted wet granulations comprising cellulosic (HPMC or HPC) and hydrophobic component . Eur. J. Pharm. Biopharm. 2005 , 59 ( 1 ), 73 – 83 .
   PubMed Web of Science ®Google Scholar
• Siegel , S.J. ; Kahn , J.B. ; Metzger , K. ; Winey , K.I. ; Werner , K. ; Dan , N. Effect of drug type on the degradation rate of PLGA matrices . Eur. J. Pharm. Biopharm. 2006 , 64 ( 3 ), 287 – 293 .
   PubMed Web of Science ®Google Scholar
• Omelczuk , M.O. ; McGinity , J.W. The influence of polymer glass transition temperature and molecular weight on drug release from tablets containing poly(DL-lactic acid) . Pharm. Res. 1992 , 9 ( 1 ), 26 – 32 .
   PubMed Web of Science ®Google Scholar
• Omelczuk , M.O. ; McGinity , J.W. The influence of thermal treatment on the physical-mechanical and dissolution properties of tablets containing poly(DL-lactic acid) . Pharm. Res. 1993 , 10 ( 4 ), 542 – 548 .
   PubMed Web of Science ®Google Scholar
• Miller-Chou , B.A. ; Koenig , J.L. A review of polymer dissolution . Prog. Polym. Sci. 2003 , 28 ( 8 ), 1223 – 1270 .
   Web of Science ®Google Scholar
• Kopinke , F.D. ; Remmler , M. ; Mackenzie , K. ; Möder , M. ; Wachsen , O. Thermal decomposition of biodegradable polyesters—II. Poly(lactic acid) . Polym. Degrad. Stab. 1996 , 53 ( 3 ), 329 – 342 .
   Web of Science ®Google Scholar
• Wachsen , O. ; Platkowski , K. ; Reichert , K.H. Thermal degradation of poly-l-lactide—studies on kinetics, modelling and melt stabilisation . Polym. Degrad. Stab. 1997 , 57 ( 1 ), 87 – 94 .
   Web of Science ®Google Scholar
• Gupta , M.C. ; Deshmukh , V.G. Thermal oxidative degradation of poly-lactic acid. Coll. Polym. Sci. 1982, 260 (3), 308–311.
   Web of Science ®Google Scholar
• Hyon , S.H. ; Jamshidi , K. ; Ikada , Y. Effects of residual monomer on the degradation of DL-lactide polymer . Polym. Int. 1998 , 46 ( 3 ), 196 – 202 .
   Web of Science ®Google Scholar
• Reich , G. Ultrasound-induced degradation of PLA and PLGA during microsphere processing: Influence of formulation variables . Eur. J. Pharm. Biopharm. 1998 , 45 ( 2 ), 165 – 171 .
   PubMed Web of Science ®Google Scholar
• Lim , L.T. ; Auras , R. ; Rubino , M. Processing technologies for poly(lactic acid) . Prog. Polym. Sci. 2008 , 33 ( 8 ), 820 – 852 .
   Web of Science ®Google Scholar
• Kishore , K. ; Vasanthakumari , R. ; Pennings , A.J. Isothermal melting behavior of poly(L-lactic acid) . J. Polym. Sci. Polym. Phys. Ed. 1984 , 22 ( 4 ), 537 – 542 .
   Web of Science ®Google Scholar
• Vasanthakumari , R. ; Pennings , A.J. Crystallization kinetics of poly(l-lactic acid) . Polymer 1983 , 24 ( 2 ), 175 – 178 .
   Web of Science ®Google Scholar