Linear Diamides Derivative?Nucleated Biodegradable Poly(ethylene succinate) Polyester: Crystallization Kinetics and Aggregated Structure Manipulated by Hydrogen Bond Interaction
writer：Zhou Shanshan, Sun Yongyan, Ma Huimin, Jia Chunfeng, Sun Xiaoyu, Yang Yubin, Liu Juan, Yang Jinjun
keywords：hydrogen bond, Poly(ethylene succinate), Crystallization
source：期刊
specific source：Journal of Polymers and the Environment
Issue time：2021年
A linear diamides derivative (TMC300) as a nucleating agent (NA) was incorporated into biodegradable poly(ethylene succinate) (PES) to investigate efect of TMC300 on nucleation, crystallizability, crystallization kinetics, aggregated structure of PES. TMC300 enhanced signifcantly crystallizability and crystallization temperature of PES in cooling process at a rate
of 10 ℃/min from molten state, indicating that TMC300 exhibits an excellent nucleation efect on PES. IR measurement suggested that TMC300 interacts with amorphous carbonyl and ester segment, and crystalline CH2 segment of PES via hydrogen bond. Change rate of carbonyl group is comparable to that of C?C backbone of PES, regardless of the presence or absence of TMC300. Small diference of difraction peak in WAXD measurement between neat PES and PES/TMC300 is probably attributed to spherulitic orientation on flm surface of neat PES, and diferent spatial arrangements in the same crystal lattice. TMC300 enhanced carbon residue yield of PES/TMC300 composite, probably related to slight fame retardance efect.