引用本文:
Yong XU, Sheng Rong YE, Jin Wen QIAN. Thermal Behavior of Poly(trimethylene-co-ethylene terephthalate)[J]. Chinese Chemical Letters,
2005, 16(7): 971-974.
Citation: Yong XU, Sheng Rong YE, Jin Wen QIAN. Thermal Behavior of Poly(trimethylene-co-ethylene terephthalate)[J]. Chinese Chemical Letters, 2005, 16(7): 971-974.
Citation: Yong XU, Sheng Rong YE, Jin Wen QIAN. Thermal Behavior of Poly(trimethylene-co-ethylene terephthalate)[J]. Chinese Chemical Letters, 2005, 16(7): 971-974.
Thermal Behavior of Poly(trimethylene-co-ethylene terephthalate)
摘要:
Poly (trimethylene-co-ethylene terephthalate) with various compositions of diol has been synthesized. The crystallization of copolyesters with high comonomer content was observed by both wide-angle X-ray diffraction (WAXD) and differential scanning calorimetry (DSC). It was found that the copolyesters become less crystallizable with the involvement of the comonomer,the crystals of crystallizable copolyesters come from PTT or PET homopolymers. The glass transition temperature (Tg) of the copolyester increases with increasing PET component in the copolyester, and the relationship between Tg and composition obey both Fox equation and additive law, the former is better in describing this relationship.
English
Thermal Behavior of Poly(trimethylene-co-ethylene terephthalate)
Abstract:
Poly (trimethylene-co-ethylene terephthalate) with various compositions of diol has been synthesized. The crystallization of copolyesters with high comonomer content was observed by both wide-angle X-ray diffraction (WAXD) and differential scanning calorimetry (DSC). It was found that the copolyesters become less crystallizable with the involvement of the comonomer,the crystals of crystallizable copolyesters come from PTT or PET homopolymers. The glass transition temperature (Tg) of the copolyester increases with increasing PET component in the copolyester, and the relationship between Tg and composition obey both Fox equation and additive law, the former is better in describing this relationship.
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