Title:
CRYSTALLINE POLYESTER RESIN AND ADHESIVE COMPOSITION IN WHICH SAME IS USED
Document Type and Number:
WIPO Patent Application WO/2021/166882
Kind Code:
A1
Abstract:
[Problem] To provide an adhesive composition having exceptional storage stability, adhesiveness, blocking resistance, and water resistance. [Solution] A crystalline polyester resin in which a polyvalent carboxylic acid component and a polyhydric alcohol component are used as copolymer components, the crystalline polyester resin containing 30-70 mol% of terephthalic acid and 10-60 mol% of 1,4-cyclohexanedicarboxylic acid as polyvalent carboxylic acid components, containing 50 mol% or more of 1,4-butanediol as a polyhydric alcohol component, and having an acid value of 100-600 eq/t, a glass transition temperature ranging from -30°C to 30°C, and a melting point ranging from 70°C to 160°C.
Inventors:
MIKAMI TADAHIKO (JP)
SAKAMOTO YASUHIRO (JP)
SAKAMOTO YASUHIRO (JP)
Application Number:
PCT/JP2021/005631
Publication Date:
August 26, 2021
Filing Date:
February 16, 2021
Export Citation:
Assignee:
TOYO BOSEKI (JP)
International Classes:
B32B27/36; B32B7/027; B65D65/40; C08G63/183; C08G63/199; C09J167/02
Domestic Patent References:
| WO2018179689A1 | 2018-10-04 | |||
| WO2015045633A1 | 2015-04-02 |
Foreign References:
| JPH06108027A | 1994-04-19 | |||
| JP2002371128A | 2002-12-26 | |||
| JP2007242397A | 2007-09-20 | |||
| JP5241232B2 | 2013-07-17 |
Other References:
See also references of EP 4108457A4
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