Title:
THERMOPLASTIC POLYURETHANE ELASTOMER, AND PREPARATION METHOD, USE AND PRODUCT THEREOF
Document Type and Number:
WIPO Patent Application WO/2017/079988
Kind Code:
A2
Abstract:
The present invention discloses a thermoplastic polyurethane elastomer (TPU), and a preparation method, use and product thereof. The thermoplastic polyurethane elastomer comprises the following components with respect to the total weight of TPU: 22-55 wt% of an aromatic diisocyanate and/or cycloaliphatic diisocyanate; 2-16 wt% of a chain extender; and 30-70 wt% of a polyester polyol. The invention can reduce a TPU injection molding shrinkage ratio to 0.2% or less, and can increase the thermal decomposition temperature to up to 300˚C, and can obtain elastomeric materials of different hardnesses, thus having a broad prospect of application in 3D printing methods.
Inventors:
YANG JIE (CN)
HUANG QISHAN (CN)
HUANG QISHAN (CN)
Application Number:
PCT/CN2015/094798
Publication Date:
May 18, 2017
Filing Date:
November 17, 2015
Export Citation:
Assignee:
WANHUA CHEMICAL GROUP CO LTD (CN)
International Classes:
C08G18/42; C08G63/183
Attorney, Agent or Firm:
BOSS & YOUNG PATENT AND TRADEMARK LAW OFFICE (CN)
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