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US 12,043,774 B2Granted
Reactive hot-melt adhesive composition, and bonded body and method for producing same
AssigneeResonac Corporation
InventorsChika Kuramochi, Souichirou Komiya, Junichi Kamei
Life of this patent
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Abstract
Disclosed is a reactive hot-melt adhesive composition, containing: a urethane prepolymer having a polymer chain including a structural unit derived from polyol and a structural unit derived from polyisocyanate, and an isocyanate group as a terminal group of the polymer chain; and a functional group protection type silane coupling agent.
Claims11
A reactive hot-melt adhesive composition, comprising:
- a urethane prepolymer having a polymer chain including a structural unit derived from polyol and a structural unit derived from polyisocyanate, and an isocyanate group as a terminal group of the polymer chain, wherein the polyol comprises polyester polyol and a content of polyester polyol is at least 70 parts by mass with respect to a total amount of 100 parts by mass of polyol;
- and
- a functional group protection type silane coupling agent.
Dependencies are inferred from the claim text.