The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 18, 2025

Filed:

Dec. 09, 2019
Applicant:

Sanyo Chemical Industries, Ltd., Kyoto, JP;

Inventors:

Yuko Narutaki, Kyoto, JP;

Tetsuya Shimada, Kyoto, JP;

Yuuki Tanaka, Kyoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09J 175/08 (2006.01); C08G 18/12 (2006.01); C08G 18/16 (2006.01); C08G 18/22 (2006.01); C08G 18/32 (2006.01); C08G 18/48 (2006.01); C08G 18/73 (2006.01); C08G 18/75 (2006.01);
U.S. Cl.
CPC ...
C09J 175/08 (2013.01); C08G 18/12 (2013.01); C08G 18/168 (2013.01); C08G 18/225 (2013.01); C08G 18/3206 (2013.01); C08G 18/3228 (2013.01); C08G 18/4804 (2013.01); C08G 18/4825 (2013.01); C08G 18/4829 (2013.01); C08G 18/4845 (2013.01); C08G 18/73 (2013.01); C08G 18/755 (2013.01); C08G 2170/00 (2013.01); C09J 2301/30 (2020.08);
Abstract

A two-component curable urethane adhesive that is easy to handle while it is substantially solvent-free, having weak to strong adhesive properties, and being capable of forming a cured film having excellent physical properties. The two-component curable urethane adhesive contains: a main agent; and a curing agent, the main agent containing at least one of a hydroxy group-containing urethane prepolymer (P1) or a polyol component (A), the hydroxy group-containing urethane prepolymer (P1) being a reaction product between the polyol component (A) and an organic polyisocyanate component (B), the curing agent containing at least one of an isocyanate group-containing urethane prepolymer (P2) or an organic polyisocyanate component (B), the isocyanate group-containing urethane prepolymer (P2) being a reaction product between the polyol component (A) and the organic polyisocyanate component (B), and the two-component curable urethane adhesive satisfies properties (1) to (5) disclosed herein.


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