Improvement of Compatibility and Mechanical Performances of PLA/PBAT Composites with Epoxidized Soybean Oil as Compatibilizer

被引：211
作者：
Han, Yi [1 ]
Shi, Jinwei [1 ]
Mao, Lixin [1 ]
Wang, Zhao [1 ,2 ]
Zhang, Liqun [1 ,2 ,3 ]
机构：
[1] Beijing Univ Chem Technol, State Key Lab Organ Inorgan Composites, Beijing 100029, Peoples R China
[2] Beijing Univ Chem Technol, Beijing Lab Biomed Mat, Beijing 100029, Peoples R China
[3] Beijing Univ Chem Technol, State Key Lab Organ Inorgan Composites, Key Lab Beijing City Preparat & Proc Novel Polyme, Beijing 100029, Peoples R China
来源：
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2020年 / 59卷 / 50期
基金：
中国国家自然科学基金; 美国国家科学基金会;
关键词：
POLY(BUTYLENE ADIPATE-CO-TEREPHTHALATE) PBAT; COPOLYMERS EFFECTIVE COMPATIBILIZERS; CHAIN BRANCHED POLY(L-LACTIDE)S; POLY(LACTIC ACID); RHEOLOGICAL PROPERTIES; GLYCIDYL METHACRYLATE; THERMAL-PROPERTIES; PLASTIC POLLUTION; POLYLACTIC ACID; BLENDS;
D O I：
10.1021/acs.iecr.0c04285
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
With excellent comprehensive properties, polylactic acid/poly(butylene adipate-co-butylene terephthalate) (PLA/PBAT) blends have found wide applications as degradable materials. During the processing procedure, a third component compatibilizer is introduced to improve the compatibility and mechanical properties of PLA/PBAT blends. In this work, environmentally friendly epoxidized soybean oil (ESO) is used for the compatibilization of PLA/PBAT blends through the chemical reaction of ESO with terminated hydroxyl groups of the two phases. Through the adjustment of the amounts of ESO, the compatibilization effect on the properties of PLA/PBAT blends is studied. The compatibilization mechanism of ESO was analyzed by Fourier transform infrared spectroscopy and differential scanning calorimetry testing, and the results prove that ESO could react with PLA and PBAT to form a chemical bonding interface. The PLA/PBAT blends compatibilized with ESO demonstrated a significant increase in tensile strength, elongation at break, and notched impact strength.
引用
收藏
页码：21779 / 21790
页数：12
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