Title:
熱硬化性ポリウレタンエラストマー形成性組成物、熱硬化性ポリウレタンエラストマー、産業機械部品および産業機械部品の製造方法
Document Type and Number:
Japanese Patent JP7286958
Kind Code:
B2
Abstract:
To provide a thermosetting polyurethane elastomer forming composition for forming a thermosetting polyurethane elastomer having excellent durability and reduced friction force, a thermosetting polyurethane elastomer, an industrial machine component and a manufacturing method of the industrial machine component.SOLUTION: An isocyanate group-terminated urethane prepolymer (A) and a hydroxyl group-terminated curing agent (B) are contained, the isocyanate group-terminated urethane prepolymer (A) contains diphenylmethane diisocyanate (C) and polyol (D) having an ether unit, hydroxyl group value of the polyol (D) is 30 to 90 KOHmg/g, the hydroxyl group-terminated curing agent (B) contains polyol (E) having an ester unit, and hydroxyl group value of the polyol (E) is 30 to 310 KOHmg/g.SELECTED DRAWING: None
Inventors:
Koji Nomura
Application Number:
JP2018226196A
Publication Date:
June 06, 2023
Filing Date:
December 03, 2018
Export Citation:
Assignee:
Tosoh Corporation
International Classes:
C08G18/10; C08G18/42; C08G18/48; C08G18/65; C08G18/76
Domestic Patent References:
| JP2016065223A | ||||
| JP2016068559A | ||||
| JP2017048318A | ||||
| JP2017048319A | ||||
| JP62011718A |
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