Influences of a liquid crystalline polymer, vectra A950, on crystallization kinetics and thermal stability of poly(trimethylene terephthalate)

2009 ◽  
Vol 95 (2) ◽  
pp. 661-666 ◽  
Author(s):  
P. Pisitsak ◽  
R. Magaraphan
Keyword(s):  
Thermal Stability ◽  
Crystallization Kinetics ◽  
Liquid Crystalline Polymer ◽  
Liquid Crystalline ◽  
Crystalline Polymer ◽  
Trimethylene Terephthalate ◽  
Thermal Stability Of

Non-Isothermal Crystallization Kinetics and Melting Behaviors of Thermoplastic/Liquid Crystalline Polymer Blends of Poly(Trimethylene Terephthalate)/Vectra A950

2008 ◽  
Vol 54 ◽  
pp. 249-254 ◽  
Author(s):  
Penwisa Pisitsak ◽  
Rathanawan Magaraphan
Keyword(s):  
Crystallization Kinetics ◽  
Isothermal Crystallization ◽  
Liquid Crystalline Polymer ◽  
Liquid Crystalline ◽  
Crystalline Polymer ◽  
Scanning Calorimetry ◽  
Isothermal Crystallization Kinetics ◽  
Nucleation Effect ◽  
Trimethylene Terephthalate ◽  
Kinetics Of

The non-isothermal crystallization and subsequent melting behaviors of poly(trimethylene terephthalate), (PTT)/Vectra A950, (VA) blends with different VA contents were studied by differential scanning calorimetry. The effects of VA on the non-isothermal crystallization kinetics of PTT were discussed based on the Ozawa model. It was found that VA has a nucleation effect on PTT crystallization. The triple melting endotherms were found in the subsequent melting thermograms. The blends are clearly immiscible as verified by the unchanged Tg and morphological results.

Phase behaviour of liquid-crystalline polymer/fullerene organic photovoltaic blends: thermal stability and miscibility

2011 ◽  
Vol 21 (29) ◽  
pp. 10676 ◽  
Author(s):  
Christian Müller ◽  
Jonas Bergqvist ◽  
Koen Vandewal ◽  
Kristofer Tvingstedt ◽  
Ana Sofia Anselmo ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Liquid Crystalline Polymer ◽  
Liquid Crystalline ◽  
Crystalline Polymer ◽  
Phase Behaviour ◽  
Organic Photovoltaic

Synthesis and Performance of a Novel Coumarin-Containing Side-Chain Liquid Crystalline Polymer

2011 ◽  
Vol 181-182 ◽  
pp. 197-200
Author(s):  
Yu Lei Zhao ◽  
Wei Min Zhang ◽  
Ji Lei Li ◽  
Fan Fan Yu ◽  
Jia Ling Pu
Keyword(s):  
Liquid Crystalline Polymer ◽  
Liquid Crystalline ◽  
Crystalline Polymer ◽  
Liquid Crystalline Polymers ◽  
Side Chain ◽  
Polarized Optical Microscopy ◽  
Crystalline Polymers ◽  
New Type ◽  
And Performance ◽  
Thermal Stability Of

A new type of able liquid crystalline polymer with a coumarin-containing mesogenic side group that could be photo-crosslinked was synthesized in this paper. The structure of the intermediates, monomers and polymers were characterized with FTIR and 1HNMR measurement. DSC, TG, and hot stage polarized optical microscopy were employed to study the phase transition temperature, mesophase texture, and thermal stability of the liquid crystalline polymers. The results indicated that both the monomer and polymer exhibited liquid-crystalline features over a wide temperature range.

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