Cellulose acetate fibers prepared from different raw materials with rapid synthesis method

被引：111

作者：

Chen, Jinghuan ^{[1
]}

Xu, Jikun ^{[1
]}

Wang, Kun ^{[1
]}

Cao, Xuefei ^{[1
]}

Sun, Runcang ^{[1
]}

机构：

[1] Beijing Forestry Univ, Beijing Key Lab Lignocellulos Chem, Beijing 100083, Peoples R China

来源：

CARBOHYDRATE POLYMERS | 2016年 / 137卷

基金：

中国国家自然科学基金;

关键词：

Cellulose acetate fibers; Raw material; DMSO; Rapidly synthesis; Vinyl acetate; HOMOGENEOUS ACETYLATION; THERMAL-ANALYSIS; O-ACETYLATION; DERIVATIVES; TRANSESTERIFICATION; NANOFIBERS; H-1-NMR; SYSTEM; ESTERS;

D O I：

10.1016/j.carbpol.2015.11.034

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Transesterification is a mild process to prepare cellulose acetate (CA) as compared with the traditional method. In this study, CA fibers were produced from six cellulose raw materials based on a simple and rapid transesterification method. The properties of the CA solutions and the obtained CA fibers were investigated in detail. Results showed that all of the cellulose raw materials were esterified within 15 min, and spinning dopes could be obtained by concentrating the CA solutions via vacuum distillation. The XRD, FT-IR,H-1, C-13 and HSQC NMR analysis confirmed the successful synthesis of CA. The degree of substitution (DS) of the obtained CA was significantly affected by the degree of polymerization (DP) of cellulose raw materials, which further influenced the viscosity of CA solutions as well as the structural, thermal and mechanical properties of the CA fibers. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：685 / 692

页数：8

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