Title:
POLYISOCYANATE COMPOSITIONS, CURED FILM, COATING FILM, PRESSURE-SENSITIVE ADHESIVE COMPOSITION, PRESSURE-SENSITIVE ADHESIVE SHEET, AND RESIN COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2022/107689
Kind Code:
A1
Abstract:
The present invention provides a polyisocyanate composition derived from at least one diisocyanate selected from the group consisting of aliphatic diisocyanates and alicyclic diisocyanates, a bifunctional polyol (A1) having a number-average molecular weight of 1,500 or higher, and a tri- or higher-functional polyol (B1) having a number-average molecular weight of 500 or higher, the molar ratio of the isocyanate groups of the diisocyanate to the hydroxyl groups of the polyol (A1) and polyol (B1) being 2-30, the polyisocyanate composition having a weight-average molecular weight of 1,400 or higher. Also provided is a polyisocyanate composition derived from at least one diisocyanate selected from the group consisting of aliphatic diisocyanates and alicyclic diisocyanates, a polycaprolactone polyol (A2), and a polyether polyol (B2), the polyisocyanate composition containing poly(propylene glycol) in an amount of 20 parts by mass or more per 100 parts by mass of the polyether polyol (B2).
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Inventors:
HIGASHI MASATSUGU (JP)
TAKEI AKIRA (JP)
TAKEI AKIRA (JP)
Application Number:
PCT/JP2021/041684
Publication Date:
May 27, 2022
Filing Date:
November 12, 2021
Export Citation:
Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
B32B27/40; C08G18/10; C08G18/40; C08G18/42; C08G18/62; C08G18/73; C08G18/74; C08G18/75; C09D175/04; C09J7/30; C09J7/38; C09J133/00; C09J175/04
Domestic Patent References:
| WO2010109983A1 | 2010-09-30 | |||
| WO2019103941A1 | 2019-05-31 |
Foreign References:
| JPH021718A | 1990-01-08 | |||
| JP2015212330A | 2015-11-26 | |||
| JP2012082273A | 2012-04-26 | |||
| JPS63227611A | 1988-09-21 | |||
| JP2020097650A | 2020-06-25 | |||
| JP2001255801A | 2001-09-21 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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