文献类型：期刊文献

英文题名：Effects of Alkyl Chain Length of Aliphatic Dicarboxylic Ester on Degradation Properties of Aliphatic-Aromatic Water-Soluble Copolyesters for Warp Sizing

作者：Li, Manli[1];Jin, Enqi[1];Qiao, Zhiyong[2];Zhao, Rongli[1]

机构：[1]Shaoxing Univ, Coll Text & Garments, Shaoxing 312000, Peoples R China;[2]Changzhou Text Garment Inst, Changzhou 213164, Peoples R China

年份：2018

卷号：19

期号：3

起止页码：538

外文期刊名：FIBERS AND POLYMERS

收录：SCI-EXPANDED(收录号：WOS:000428281800008)、、EI(收录号：20181304952381)、Scopus(收录号：2-s2.0-85044347406)、WOS

基金：The work was supported financially by Technological Research Project for Public Welfare of Zhejiang Province (No. 2016C34009 & 2017C34009), Scientific Research Program of Education Department of Zhejiang Province (No. Y201533919), and National Undergraduate Innovation Program of China (No. 201610349002). Financial sponsors do not endorse the views expressed in this publication.

语种：英文

外文关键词：Aliphatic-aromatic water-soluble copolyester; Alkyl chain length; ADE monomer; Degradation property; Sizing agent

外文摘要：In order to study the effects of alkyl chain length of aliphatic dicarboxylic ester (ADE) monomers on enzymatic and hydrolytic degradation properties of aliphatic-aromatic water-soluble copolyesters for warp sizing, dimethyl terephthalate, dimethyl isophthalate-5-sulfonic sodium, and ADE monomers with various alkyl chain lengths were copolymerized through a two-step method, i.e. transesterification and polycondensation. The enzymatic and hydrolytic degradation properties of the copolyesters were studied in terms of reduction rates of molecular weight, glass transition temperatures, and surface morphology after being cultivated for 24-96 h. It was found that, enzymatic degradation of the copolyesters strongly depended on alkyl chain length of ADE monomers. After being enzymatically degraded for 96 h, reduction rate of molecular weight of the copolyester using dimethyl malonate as ADE monomers could reach 22.2 %. Meanwhile, the hydrolytic degradation of the copolyesters was not directly related to the alkyl chain length.