Title:
URETHANE RESIN
Document Type and Number:
WIPO Patent Application WO/2021/039832
Kind Code:
A1
Abstract:
Provided is a urethane resin which has excellent adhesive strength and retains high adhesive strength even after exposure to a high-temperature, high-humidity environment. The urethane resin is obtained by reacting (A) an aromatic hydrocarbon formaldehyde resin modified with a glycol compound with (B) a polyisocyanate having two or more free isocyanate groups in the molecule.
Inventors:
HARIU TOMOHIRO (JP)
OTA YOSUKE (JP)
OTA YOSUKE (JP)
Application Number:
PCT/JP2020/032146
Publication Date:
March 04, 2021
Filing Date:
August 26, 2020
Export Citation:
Assignee:
MITSUBISHI GAS CHEMICAL CO (JP)
International Classes:
C08G18/54; C08G10/04; C09D175/04; C09J175/04
Foreign References:
| JPS5354298A | 1978-05-17 | |||
| JPH11293221A | 1999-10-26 | |||
| JPH0565471A | 1993-03-19 | |||
| JPH1060261A | 1998-03-03 | |||
| JP2001164228A | 2001-06-19 | |||
| JPS55155014A | 1980-12-03 | |||
| JPS57182313A | 1982-11-10 | |||
| JP2013108000A | 2013-06-06 | |||
| JP2001279214A | 2001-10-10 | |||
| JPS375747B1 | ||||
| JPH04224815A | 1992-08-14 |
Other References:
See also references of EP 4023693A4
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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