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Title:
POLYURETHANE RESIN COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2023/286595
Kind Code:
A1
Abstract:
Provided is a polyurethane resin composition having excellent resistance to wet heat. A polyurethane resin composition according to one embodiment contains a hydroxyl group-containing compound (A) and an isocyanate group-containing compound (B). The hydroxyl group-containing compound (A) includes a polybutadiene polyol (A1) and a butylene oxide-based polyol (A2) in which 50 mol% or more of alkylene oxide units are butylene oxide units. The number average molecular weight of the butylene oxide-based polyol (A2) is 400-3000 inclusive.

Inventors:
KANAI AZUSA (JP)
TAKEDA KATSUNORI (JP)
SHIGENAKA NOZOMI (JP)
ISHINO MANA (JP)
Application Number:
PCT/JP2022/025875
Publication Date:
January 19, 2023
Filing Date:
June 29, 2022
Export Citation:
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Assignee:
DKS CO LTD (JP)
International Classes:
C08G18/40; C08G18/48; C08G18/62; H01L23/29; H01L23/31
Foreign References:
JP2015131883A2015-07-23
JP2016020439A2016-02-04
JP2016210932A2016-12-15
JP2016098328A2016-05-30
JP2014009308A2014-01-20
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