Thermoplastic Polyurethane Elastomers with Aliphatic Hard Segments Based on Plant-Oil-Derived Long-Chain Diisocyanates

被引：32

作者：

Schemmer, Brigitta ^{[1
]}

Kronenbitter, Cathrin ^{[1
]}

Mecking, Stefan ^{[1
]}

机构：

[1] Univ Konstanz, Dept Chem, Chair Chem Mat Sci, Univ Str 10, D-78457 Constance, Germany

来源：

MACROMOLECULAR MATERIALS AND ENGINEERING | 2018年 / 303卷 / 04期

关键词：

catalysis; fatty acid; polyurethane; renewable ressource; thermoplastic elastomer; CRYSTALLIZATION BEHAVIOR; LINEAR POLYURETHANES; FATTY-ACIDS; METATHESIS; MORPHOLOGY; POLYMERIZATION; POLYETHYLENE; POLYESTERS; PRECURSORS; COPOLYMERS;

D O I：

10.1002/mame.201700416

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Novel plant-oil-derived long-chain (C-19 and C-23) ,-diisocyanates, optionally in combination with the corresponding long-chain diols, provide entirely aliphatic hard segments in segmented thermoplastic polyurethane elastomers (TPUs), with carbohydrate-based poly(trimethylene glycol) soft segments. Compared to materials based on a mid-chain monomer analog, phase separation is higher due to an increased flexibility of the aliphatic segments. Although melting points are slightly lower than for HDPE, the long-chain TPU's solid-state structure is still dominated by hydrogen-bonding.

引用

页数：8

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