期刊
POLYMER
卷 186, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2019.122088
关键词
Polymorphism; Phase transition; Polyester
资金
- Program for Prominent Young College Teachers of Tianjin Educational Committee
- Open Fund of Key Laboratory of Original Agro-Environmental Pollution Prevention and Control [18nybcdhj-4]
- Training Program for Innovative Research Team in Tianjin Institutions of Higher Education [TD13 5021]
- National Natural Science Foundation of China [11672208, 31700812]
- Major Program of National Natural Science Foundation of China [11432016]
- Major Program of Natural Science Foundation of Tianjin City [18JCZDJC36100]
- Natural Science Foundation of Tianjin City [17JCYBJC41100]
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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