Renewable Non-Isocyanate Based Thermoplastic Polyurethanes via Polycondensation of Dimethyl Carbamate Monomers with Diols

被引：103
|
作者：
Unverferth, Maike [1 ]
Kreye, Oliver [1 ]
Prohammer, Alexander [1 ]
Meier, Michael A. R. [1 ]
机构：
[1] KIT, Inst Organ Chem, Lab Appl Chem, D-76131 Karlsruhe, Germany
来源：
MACROMOLECULAR RAPID COMMUNICATIONS | 2013年 / 34卷 / 19期
关键词：
fatty acids; non-isocyanate polyurethanes; polycondensation; polyurethanes; renewable resources; ETHYLENE CARBONATE; CASTOR-OIL; DIAMINES; ROUTE; POLYADDITION; GUANIDINES; METATHESIS; CHEMISTRY; DIOXIDE; UREAS;
D O I：
10.1002/marc.201300503
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
1,5,7-Triazabicyclo[4.4.0]dec-5-ene (TBD)-catalyzed polycondensation reactions of fatty acid derived dimethyl dicarbamates and diols are introduced as a versatile, non-isocyanate route to renewable polyurethanes. The key step for the synthesis of dimethyl carbamate monomers from plant-oil-derived dicarboxylic acids is based on a sustainable base-catalyzed Lossen rearrangement. The formed polyurethanes with molecular weights up to 25 kDa are characterized by SEC, DSC, and NMR analysis.
引用
收藏
页码：1569 / 1574
页数：6
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