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Liquid Crystals Volume 20, 1996 - Issue 2
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Original Articles

Dipolar relaxation mechanisms in the vitreous state, in the glass transition region and in the mesophase, of a side chain polysiloxane liquid crystal

João F. Mano Centro de Química-Física Molecular, Complexo I, I.S.T., Av., Rovisco Pais, 1096, Lisboa Codex, Portugal
,
Natália T. Correia Centro de Química-Física Molecular, Complexo I, I.S.T., Av., Rovisco Pais, 1096, Lisboa Codex, Portugal
,
Joaquim J. Moura-ramos Centro de Química-Física Molecular, Complexo I, I.S.T., Av., Rovisco Pais, 1096, Lisboa Codex, Portugal
,
Stuart R. Andrews Department of Chemistry, University College of Swansea, Singleton Park, Swansea, SA2 8PP, U.K.
&
Graham Williams Department of Chemistry, University College of Swansea, Singleton Park, Swansea, SA2 8PP, U.K.
Pages 201-217 | Received 15 Jun 1995, Accepted 12 Sep 1995, Published online: 24 Sep 2006

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Joaquim J. Moura Ramos & Hermínio P. Diogo. (2020) Phase behavior and slow molecular dynamics in the glassy state and in the glass transformation of a nematic liquid crystal: 4CFPB. Liquid Crystals 47:4, pages 604-617.
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N. Nikonorova & P. Pissis. (2015) Molecular Mobility in Liquid Crystalline Side-Chain Polyacrylates and Polymethacrylates with Cyanoazobenzene Side Groups: Dielectric Spectroscopy and Thermally Stimulated Depolarization Currents. Molecular Crystals and Liquid Crystals 623:1, pages 424-432.
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Graham Williams. (2015) Alignment behaviour and molecular dynamics of liquid crystalline side-chain polymers. Liquid Crystals 42:5-6, pages 887-899.
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N. M. Alves, J. L. Gómez Ribelles & J. F. Mano. (2005) Study of the Molecular Mobility in Polymers with the Thermally Stimulated Recovery Technique—A Review. Journal of Macromolecular Science, Part C 45:2, pages 99-124.
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N. M. Alves, J. L. Gómez Ribelles & J. F. Mano. (2003) Study of the viscoelastic properties of PET by thermally stimulated recovery. Plastics, Rubber and Composites 32:7, pages 281-290.
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João F. Mano. (2003) Cooperative Character of the Relaxation Processes in a Side-Chain Liquid Crystalline Polymer. Journal of Macromolecular Science, Part B 42:6, pages 1169-1182.
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Natália M. Alves, João F. Mano & José L. Gómez Ribelles. (2001) Molecular mobility in a thermoset as seen by TSR and DMA near Tg. Materials Research Innovations 4:2-3, pages 170-178.
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JOAQUIM J. MOURA RAMOS. (1997) motions and phase transformations in solid 1-cyanoadamantane: a thermally stimulated discharge currents study. Molecular Physics 90:2, pages 235-242.
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Articles from other publishers (28)

Hermínio P. Diogo, Joaquim J. Moura Ramos & M. Teresa Viciosa. (2023) The slow molecular mobility in the amorphous solid and supercooled liquid phases of brucine, an anti-cancer drug. A study by differential scanning calorimetry (DSC), thermostimulated currents (TSC) and dielectric relaxation spectroscopy (DRS). Journal of Molecular Liquids 385, pages 122423.
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Olli-Ville Laukkanen & H. Henning Winter. (2018) The dynamic fragility and apparent activation energy of bitumens as expressed by a modified Kaelble equation. Journal of Non-Crystalline Solids 499, pages 289-299.
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Evgenyi Shalaev, Ke Wu, Sheri Shamblin, Joseph F. Krzyzaniak & Marc Descamps. (2016) Crystalline mesophases: Structure, mobility, and pharmaceutical properties. Advanced Drug Delivery Reviews 100, pages 194-211.
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Joaquim J. Moura Ramos & Hermínio P. Diogo. (2016) The slow relaxation dynamics in active pharmaceutical ingredients studied by DSC and TSDC: Voriconazole, miconazole and itraconazole. International Journal of Pharmaceutics 501:1-2, pages 39-48.
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Jing Zhao & Gregory B. McKenna. (2014) The apparent activation energy and dynamic fragility of ancient ambers. Polymer 55:9, pages 2246-2253.
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M.T. Viciosa, J.J. Moura Ramos & H.P. Diogo. (2010) Molecular dynamics of an epoxy resin studied by Thermally Stimulated Depolarization Currents. Journal of Non-Crystalline Solids 356:50-51, pages 2858-2864.
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Madalena Dionísio & João F. Mano. 2008. Recent Advances, Techniques and Applications. Recent Advances, Techniques and Applications 209 268 .
Paula Hammond, Vasilis Gregoriou, Bindu Nair & Sheila Rodman. 2005. Vibrational Spectroscopy of Biological and Polymeric Materials. Vibrational Spectroscopy of Biological and Polymeric Materials 1 34 .
Natalia A. Nikonorova, Evgeny B. Barmatov, Dimitry A. Pebalk, Ricardo Diaz‐Calleja & Friedrich Kremer. (2005) Dielectric Relaxation of Side‐Chain Liquid Crystalline Ionomers Containing Alkaline Metal Ions. Macromolecular Chemistry and Physics 206:16, pages 1630-1637.
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João F. Mano. (2005) Intrinsic compensation phenomenon in thermally stimulated depolarisation studies. Thermochimica Acta 430:1-2, pages 135-141.
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N.A. Nikonorova, T.I. Borisova, E.B. Barmatov, D.A. Pebalk & R.-D. Calleja. (2004) Molecular mobility of CU(II)-containing liquid crystalline ionomers: dielectric relaxation and thermally stimulated depolarization currents. Polymer 45:5, pages 1555-1562.
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Fang‐Jung Huang & Tzong‐Liu Wang. (2003) Synthesis and characterization of new segmented polyurethanes with side‐chain, liquid‐crystalline chain extenders. Journal of Polymer Science Part A: Polymer Chemistry 42:2, pages 290-302.
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N.M. Alves, J.F. Mano & J.L. Gómez Ribelles. (2002) Molecular mobility in polymers studied with thermally stimulated recovery. II. Study of the glass transition of a semicrystalline PET and comparison with DSC and DMA results. Polymer 43:13, pages 3627-3633.
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N.A Nikonorova, T.I Borisova, E.B Barmatov, P Pissis & R Diaz-Calleja. (2002) Comparative dielectric and TSDC studies of molecular mobility in liquid-crystalline side-chain poly(methacrylate). Polymer 43:8, pages 2229-2238.
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E.R Neagu & R Neagu. (2002) Comments on the compensation effect observed in thermally stimulated depolarization current analysis. Thermochimica Acta 395:1-2, pages 183-189.
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Evgenyi Y Shalaev & Peter L Steponkus. (2001) Phase behavior and glass transition of 1,2-dioleoylphosphatidylethanolamine (DOPE) dehydrated in the presence of sucrose. Biochimica et Biophysica Acta (BBA) - Biomembranes 1514:1, pages 100-116.
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Sergei Zhukov, Bernd Stühn, Tamara Borisova, Evgenii Barmatov, Marina Barmatova, Valery Shibaev, Friedrich Kremer & Polycarpos Pissis. (2001) Dielectric and IR Spectroscopy of the Macromolecular Reaction of Anhydridization in a Functionalized Side-Chain Liquid Crystalline Copolymer Containing Acrylic Acid Groups. Macromolecules 34:11, pages 3615-3625.
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J. F. Mano & S. Lanceros-Méndez. (2001) Simple versus cooperative relaxations in complex correlated systems. Journal of Applied Physics 89:3, pages 1844-1849.
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N.T. Correia, C. Alvarez & J.J. Moura-Ramos. (2000) Fragility in side-chain liquid crystalline polymers: the TSDC contribution. Polymer 41:24, pages 8625-8631.
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Natália T. Correia, Cristina Alvarez, Joaquim J. Moura Ramos & Marc Descamps. (2000) Glass transition relaxation and fragility in the molecular glass forming m -toluidine: A study by thermally stimulated depolarization currents . The Journal of Chemical Physics 113:8, pages 3204-3211.
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C. Alvarez, N.T. Correia, J.J. Moura Ramos & A.C. Fernandes. (2000) Glass transition relaxation and fragility in a side-chain liquid crystalline polymer: a study by TSDC and DSC. Polymer 41:8, pages 2907-2914.
Crossref
J.F. Mano, N.M. Alves, J.M.Meseguer Dueñas & J.L. Gómez Ribelles. (1999) Conformational mobility in a polymer with mesogenic side groups. Polymer 40:23, pages 6545-6556.
Crossref
João F. Mano. (1999) The relaxation frequency as observed in thermally stimulated depolarisation current experiments in polymers. Thermochimica Acta 332:2, pages 161-170.
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Nat�lia T. Correia & Joaquim J. Moura Ramos. (1999) Dipolar motions and phase transitions in a side-chain polysiloxane liquid crystal. A study by thermally stimulated depolarization currents. Journal of Polymer Science Part B: Polymer Physics 37:3, pages 227-235.
Crossref
Bindu R. Nair, Marlon A. R. Osbourne & Paula T. Hammond. (1998) Synthesis and Characterization of New Segmented Copolymers with Side Chain Liquid Crystalline Soft Segments. Macromolecules 31:25, pages 8749-8756.
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João F Mano & Joaquim J Moura Ramos. (1998) Local motions in side-chain liquid crystalline polymers. A thermally stimulated currents study. Thermochimica Acta 323:1-2, pages 65-73.
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Joaquim J. Moura Ramos, João F. Mano & Bryan B. Sauer. (1997) Some comments on the significance of the compensation effect observed in thermally stimulated current experiments. Polymer 38:5, pages 1081-1089.
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Joaquim J.Moura Ramos & João F. Mano. (1996) Dipolar relaxations in a side-chain polyacrylate liquid crystal. A study by thermally stimulated currents. Thermochimica Acta 285:2, pages 347-359.
Crossref

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