Nonisothermal crystallization behavior of poly (butylene terephthalate)–poly (ethylene terephthalate-co-isophthalate-co-sebacate) segmented copolyesters

2003 ◽  
Vol 87 (8) ◽  
pp. 1232-1238 ◽  
Author(s):  
Yun Hui Zhao ◽  
Jing Sheng ◽  
Ya Quan Wang
Keyword(s):  
Crystallization Behavior ◽  
Ethylene Terephthalate ◽  
Nonisothermal Crystallization ◽  
Butylene Terephthalate ◽  
Poly Ethylene Terephthalate ◽  
Poly Ethylene

Surface modification of a calcium fluoride filler and the effect on the nonisothermal crystallization behavior of poly(ethylene terephthalate)

2014 ◽  
Vol 54 (12) ◽  
pp. 2938-2946 ◽  
Author(s):  
Regina Janet Sánchez-Leija ◽  
Marta Riba-Moliner ◽  
Diana Cayuela-Marín ◽  
Octavio Domínguez-Espinós ◽  
María Guadalupe Sánchez-Loredo
Keyword(s):  
Surface Modification ◽  
Calcium Fluoride ◽  
Crystallization Behavior ◽  
Ethylene Terephthalate ◽  
Nonisothermal Crystallization ◽  
Poly Ethylene Terephthalate ◽  
Poly Ethylene

Rheological behavior, mechanical properties, and nonisothermal crystallization behavior of poly(ethylene terephthalate)/modified carbon fiber composites

2018 ◽  
Vol 31 (6) ◽  
pp. 733-740 ◽  
Author(s):  
GuoLiang Lin ◽  
DongWei Li ◽  
MinYi Liu ◽  
XiaoYi Zhang ◽  
YuYing Zheng
Keyword(s):  
Mechanical Properties ◽  
Carbon Fiber ◽  
Rheological Behavior ◽  
Crystallization Behavior ◽  
Ethylene Terephthalate ◽  
Solid Phase ◽  
Carbon Fiber Composites ◽  
Nonisothermal Crystallization ◽  
Poly Ethylene Terephthalate ◽  
Poly Ethylene

Maleic anhydride-grafted carbon fiber (CF- g-MAH) was prepared by a solid-phase grafting method. The rheological behavior, morphology, mechanical properties, and nonisothermal crystallization behavior of pure poly(ethylene terephthalate) (PET) and PET/CF and PET/CF- g-MAH composites were investigated. The rheological analyses and mechanical tests show that the addition of CF or CF- g-MAH increased the complex viscosity and mechanical properties of PET. The morphology observations confirm that the introduction of the MAH group on the surfaces of the CF enhanced the interactions between the CF and PET, resulting in the fine dispersion of CF- g-MAH in the PET matrix. In addition, the analyses of the nonisothermal crystallization behavior of pure PET and the PET/CF and PET/CF- g-MAH composites show that CF or CF- g-MAH can act as a heterogeneous nucleating agent in PET and accelerate its crystallization. Compared to CF, CF- g-MAH is a more effective nucleator for PET.

scholarly journals A study on the crystallization behavior and mechanical properties of poly(ethylene terephthalate) induced by chemical degradation nucleation

RSC Advances ◽  
2017 ◽  
Vol 7 (59) ◽  
pp. 37139-37147 ◽  
Author(s):  
Diran Wang ◽  
Faliang Luo ◽  
Zhiyuan Shen ◽  
Xuejian Wu ◽  
Yaping Qi
Keyword(s):  
Mechanical Properties ◽  
Crystallization Behavior ◽  
Ethylene Terephthalate ◽  
Crystallization Rate ◽  
Chemical Degradation ◽  
Carboxylate Anion ◽  
Nucleate Agent ◽  
Poly Ethylene Terephthalate ◽  
Poly Ethylene ◽  
Pet Crystallization

In order to overcome low crystallization rate of PET, HPN-68L was selected to replace the special nucleate agent of PET to improve PET crystallization for its carboxylate anion structure which usually showed high induced nucleation ability for PET.

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