Insights into biobased epoxidized fatty acid isobutyl esters from biodiesel: Preparation and application as plasticizer

被引：16
作者：
Liang, Xiaojiang [1 ,2 ,3 ]
Wu, Fengjiao [1 ,2 ,3 ]
Xie, Qinglong [1 ,2 ,3 ]
Wu, Zhenyu [1 ,2 ,3 ]
Cai, Jinjin [1 ,2 ,3 ]
Zheng, Congwen [1 ,2 ,3 ]
Fu, Junhong
Nie, Yong [1 ,2 ,3 ]
机构：
[1] Zhejiang Univ Technol, Biodiesel Engn Lab China Petr & Chem Ind Federat, Hangzhou 310014, Peoples R China
[2] Zhejiang Univ Technol, Zhejiang Prov Key Lab Biofuel, Hangzhou 310014, Peoples R China
[3] Zhejiang Jiaao Enprotech Stock Co Ltd, Tongxiang 314000, Peoples R China
来源：
CHINESE JOURNAL OF CHEMICAL ENGINEERING | 2022年 / 44卷
关键词：
Biodiesel; Transesterification; Isobutyl esters; Epoxidized isobutyl esters; Biobased plasticizer; POLY VINYL-CHLORIDE; POLY(VINYL CHLORIDE); TETRABUTYL TITANATE; DIMETHYL CARBONATE; THERMAL-STABILITY; PERFORMIC ACID; OIL; TRANSESTERIFICATION; KINETICS; ESTERIFICATION;
D O I：
10.1016/j.cjche.2021.03.048
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Biodiesel was used to prepare epoxidized fatty acid isobutyl esters (Ep-FABEs) as a biobased plasticizer in this work. Transesterification of biodiesel with isobutanol catalyzed by tetrabutyl titanate was carried out in a gas-liquid tower reactor. The conversion achieved nearly 100% within 5 h under the reaction temperature, the mass ratio of catalyst to fatty acid methyl esters (FAMEs), and isobutanol to FAMEs total molar ratio of 180 degrees C, 0.4 %(mass), and 5.4:1, respectively. In addition, kinetic model of the transesterification reaction was developed at 150-190 degrees C. The calculated activation energy was 48.93 kJ center dot mol-1. Then, the epoxidation of obtained fatty acid isobutyl esters (FABEs) was conducted in the presence of formic acid and hydrogen peroxide. The Ep-FABEs was further analyzed for its plasticizing effectiveness to replace dioctyl phthalate (DOP) and compared with conventional epoxy plasticizer epoxidized fatty acid methyl esters (Ep-FAMEs). The results indicated that the thermal stability and mechanical properties of PVC films with Ep-FABEs plasticizer were significantly improved compared with those plasticized with DOP. In addition, the extraction resistance and migration stability of Ep-FABEs were better than those of EpFAMEs. Overall, the prepared Ep-FABEs via structural modification of biodiesel proved to be a promising biobased plasticizer. (c) 2021 Chemical Industry and Engineering Society of China (CIESC) and Chemical Industry Press (CIP) Published by Elsevier B.V. All rights reserved.
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收藏
页码：41 / 50
页数：10
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