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A Solvent-Free and Scalable Method To Prepare Soybean-Oil-Based Polyols by Thiol-Ene Photo-Click Reaction and Biobased Polyurethanes Therefrom

文献类型： 外文期刊

作者： Feng, Yechang 1 ; Liang, Haiyan 1 ; Yang, Ziming 2 ; Yuan, Teng 1 ; Luo, Ying 1 ; Li, Puwang 2 ; Yang, Zhuohong 1 ; Zhang 1 ;

作者机构： 1.South China Agr Univ, Coll Mat & Energy, Guangzhou 510642, Guangdong, Peoples R China

2.Chinese Acad Trop Agr Sci, Prod Proc Res Inst, Zhanjiang 524001, Peoples R China

关键词： Soybean oil;Polyols;Thiol-ene reaction;Polyurethane

期刊名称：ACS SUSTAINABLE CHEMISTRY & ENGINEERING （ 影响因子：8.198； 五年影响因子：8.471 ）

ISSN： 2168-0485

年卷期： 2017 年 5 卷 8 期

页码：

收录情况： SCI

摘要： A solvent-free and scalable method was developed for the preparation of soybean-oil-based polyols by a thiol-ene photo-click reaction with a homemade photochemical reactor. The effect of reaction parameters, including photoinitiators, reaction time, molar ratios of thiols to carbon-carbon double bonds, and power of the mercury lamp, on the structures of the resulting polyols was investigated. The mechanism of the thiol-ne photo-click reaction was also discussed. On the basis of these novel polyols, several polyurethanes were prepared using different diisocyanates (aliphatic, cycloaliphatic, and aromatic isocyanate) and characterized. The resulting polyurethane films possess good performance, including the highest glass transition temperature of 41.3 degrees C, tensile strength of 15.7 MPa, and elongation at break of 471.0%.

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