Multiple Amides Derivative-Nucleated Poly(1,4-Butylene Adipate) Polyester: Tailored Temperature-Dependent Polymorphism, Crystal Morphology And Phase Transition
文献类型: 外文期刊
作者: Li, LL; Tang, JJ; Li, YQ; Yang, JJ; Sun, YB; Ma, HM; Zhou, SS; Zhang, CQ; Wang, X
作者机构:
关键词: Polymorphism; Phase Transition; Polyester
期刊名称: POLYMER
ISSN: 0032-3861
年卷期: 2020 年 186 卷
页码:
收录情况: JCR(2021版) ; EI(2021版)
摘要: A multiple amides-based compound (TMC-306) was fabricated and as a nucleating agent (NA) to prepare poly (1,4-butylene adipate) (PBA)/TMC-306 composite to study effects of TMC-306 on crystallization kinetics, polymorphism, crystal morphology, lamellar morphology and phase transition of PBA. TMC-306 increased significantly crystallization temperature (T-c) and crystallization rate of PBA and presented a supernucleation effect on PBA, as confirmed by DSC measurement. Self-assembled TMC-306 shish induced PBA to develop shish-kebab crystal. TMC-306 facilitated generation of the PBA alpha-form at a substantially lower T-c and accelerated PBA phase transition from beta-to alpha-one. Plausible mechanisms on the nucleation, tailored polymorphism and controlled phase transition of PBA, were proposed and discussed in detail.
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