Synthesis of new polyester polyols from epoxidized vegetable oils and biobased acids

被引：101

作者：

Caillol, Sylvain ^{[1
]}

Desroches, Myriam ^{[1
]}

Boutevin, Gilles ^{[2
]}

Loubat, Cedric ^{[2
]}

Auvergne, Remi ^{[1
]}

Boutevin, Bernard ^{[1
]}

机构：

[1] Inst Charles Gerhardt Montpellier, Equipe IAM, UMR 5253, CNRS,UM2,ENSCM,UM1, F-34296 Montpellier 5, France

[2] Specif Polymers, Cap Alpha, Clapiers, France

来源：

EUROPEAN JOURNAL OF LIPID SCIENCE AND TECHNOLOGY | 2012年 / 114卷 / 12期

关键词：

Biobased polyols; Epoxidized oils; Glycolic acid; Lactic acid; Polyurethane; CHEMICAL-MODIFICATION; POLYETHER POLYOLS; FATTY-ACIDS; OLEIC-ACID; POLYURETHANES; DIISOCYANATE; DERIVATIVES; DIEPOXIDE; OXIDATION; FOAMS;

D O I：

10.1002/ejlt.201200199

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

Biobased polyols were synthesized from reaction between epoxidized soybean oil and lactic, glycolic, or acetic acids. Polyols were characterized by NMR, alcohol and acid titration, and SEC. These analyses allowed to determine an average hydroxyl functionality between 4 and 5, with an oligomer content close to 50?wt%. Synthesized polyols were formulated with isocyanate to yield polyurethanes (PUs). Thermal and mechanical properties of obtained materials showed that synthesized polyols lead to rigid and brittle material with Young moduli higher than 900?N/mm2 at RT and with Tg values around 50 degrees C.

引用

页码：1447 / 1459

页数：13

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