Synthesis of poly(lactic acid-co-menthol) via direct melt polycondensation and its characterization

被引：5

作者：

Mao, Chao-Xu ^{[1
]}

Luo, Shi-He ^{[1
]}

Wang, Qun-Fang ^{[1
]}

Xiong, Jin-Feng ^{[1
]}

Wang, Zhao-Yang ^{[1
]}

机构：

[1] S China Normal Univ, Sch Chem & Environm, Dept Chem, Guangzhou 510006, Guangdong, Peoples R China

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2012年 / 125卷

基金：

中国国家自然科学基金;

关键词：

biodegradable; copolymerization; polycondensation; synthesis; L-LACTIC ACID; CO-GLYCOLIC ACID); POLY(D; L-LACTIC ACID); MONOMERS; ROUTE;

D O I：

10.1002/app.36968

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Directly starting from D,L-lactic acid (LA) and L-menthol, poly(lactic acid-co-menthol) (PLAM) as potential solid mint flavor was synthesized via melt polycondensation. The synthetic conditions, including type and dosage of catalyst, temperature and time of copolymerization, were discussed. The structure and properties of the copolymer were systematically characterized with FTIR, 1H-NMR, GPC, DSC, TG, and XRD. The influences of molar feed ratios on the properties of PLAM were also discussed. The copolymer PLAM with the biggest Mw of 11,600 Da was obtained. The Tg of PLAM is lower than the Tg of homopolymer poly(D,L-lactic acid) (PDLLA), and all copolymers have higher thermal decomposition temperature. (C) 2012 Wiley Periodicals, Inc. J Appl Polym Sci, 2012

引用

页码：E339 / E346

页数：8

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