Preparation and Properties of Polylactic Acid/Tributyl Citrate Modified Microcrystalline Cellulose

被引：0
|
作者：
Jiang Y. [1 ]
Zhang Y. [1 ]
Li J. [1 ]
Huang S. [1 ]
Yan C. [2 ]
Yang M. [2 ]
Zheng S. [1 ]
Liu H. [1 ]
机构：
[1] School of Chemistry, Biology and Materials Science, Jiangxi Province Key Laboratory of Polymer Micro/Nano Manufacturing and Devices, East China University of Technology, Nanchang
[2] College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu
来源：
Gaofenzi Cailiao Kexue Yu Gongcheng/Polymeric Materials Science and Engineering | 2021年 / 37卷 / 09期
关键词：
Biodegradable; Cellulose; Polylactic acid; Surface modification;
D O I：
10.16865/j.cnki.1000-7555.2021.0221
中图分类号：
学科分类号：
摘要：
Microcrystalline cellulose (MCC) and short chain tributyl citrate (TC) were used to prepare surface modified cellulose (TM) in solution system by transesterification reaction. It is found that the modification process of transesterification completely destroyed the crystal structure of cellulose and reduces the dispersion size of cellulose from 50 μm to 200~300 nm by SEM; the dispersion of cellulose in polylactic acid and the interface compatibility with polylactic acid matrix are improved. The results of thermodynamics and rheology show that the modified cellulose has a better dispersion and could effectively improve the crystallization ability of PLA. The addition of 3% TM increases the crystallinity of PLA by more than 10 times measured by DSC. © 2021, Editorial Board of Polymer Materials Science & Engineering. All right reserved.
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页码：133 / 140
页数：7
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