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Polymorphism, thermal stability and enzymatic degradation of poly(1,4-butylene adipate) tailored by a benzene-1,3,5-tricarboxamide-based nucleating agent
來源:楊進軍教授個人網站 發布日期:2019-08-30
作者:Yang Jinjun, Wang Xiaomin, Liang Rong, Kong Rui, Sun Yuebing, Tang Jingjing, Li Lingling, Xue Lei, C
關鍵字:多晶,熱穩定性,酶降解,聚酯
論文來源:期刊
具體來源:Journal of Materials Science
發表時間:2018年

An organic nucleating agent (NA), N,N0,N00-tricyclohexyl-1,3,5-benzenetricarboxylamide

(TMC-328), was incorporated into biodegradable poly(1,4-butylene

adipate) (PBA) to prepare the PBA/TMC-328 blend system to investigate the

effect of the TMC-328 NA on the crystallization kinetics, polymorphism, thermal

stability and biodegradation of the PBA. Due to the excellent nucleation ability,

the TMC-328 enhanced the crystallization temperature, crystallization rate,

crystal density and degree of crystallinity of the PBA. The TMC-328 facilitated

the formation of the alpha-crystal, accelerated the beta-to-alpha-phase transition,

and tailored the polymorphic crystalline structure of the PBA. The incorporated

TMC-328 increased the thermal stability and decreased the enzymatic

degradation rate of the PBA. The mechanisms of the tailored polymorphism,

enhanced thermal stability and decreased biodegradation rate of the PBA in the

presence of the TMC-328, have also been proposed and discussed. The PBA/

TMC-328 blend provides us an informative model to shed more light on the

correlation of hydrogen bond interaction, polymorphism and property of

polymorphic polymeric material.


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