Title:
POLYURETHANE COMPOSITIONS, PRODUCTS PREPARED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2023/000288
Kind Code:
A1
Abstract:
A polyurethane composition is provided. The polyurethane composition comprises a polyurethane composition, comprising a polyol component comprising a first polytetramethylene ether glycol, a first polyol different from the first polytetramethylene ether glycol, and at least one chain extender and/or crosslinker; and a polyisocyanate prepolymer derived from the reaction of reactants comprising at least one polyisocyanate compound having at least two isocyanate groups, a second polytetramethylene ether glycol, at least one bisphenol alkoxylate comprising at least two isocyanate-reactive hydrogen-containing groups, and optionally a second polyol different from the second polytetramethylene ether glycol. The polyurethane elastomers prepared by using the polyurethane composition display low internal heat buildup and high tear resistance properties, suitable for use as high density polyurethane elastomer. A tire product prepared from the polyurethane composition is also provided.
Inventors:
FAN YANBIN (CN)
CHEN HONGYU (CN)
CHEN HONGYU (CN)
Application Number:
PCT/CN2021/108050
Publication Date:
January 26, 2023
Filing Date:
July 23, 2021
Export Citation:
Assignee:
DOW GLOBAL TECHNOLOGIES LLC (US)
FAN YANBIN (CN)
CHEN HONGYU (CN)
FAN YANBIN (CN)
CHEN HONGYU (CN)
International Classes:
B60C7/00; C08G18/08; C08G18/12; C08G18/20; C08G18/30; C08G18/32; C08G18/48; C08G18/63; C08G18/66; C08G18/76; C08G18/79; C08G65/26; C08L75/08
Foreign References:
| EP2886369A1 | 2015-06-24 | |||
| US5064875A | 1991-11-12 | |||
| EP2025730A1 | 2009-02-18 |
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
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