Two-part urethane adhesive composition

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United States of America

PATENT NO 12173196
APP PUB NO 20230193094A1
SERIAL NO

17950535

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Abstract

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There is provided a two-part urethane adhesive composition including: a main agent containing a polyisocyanate component (A); and a curing agent containing water and an active hydrogen-containing compound (B). The (B) contains a compound represented by Formula (4); the (A) contains a urethane prepolymer (A-3); an average active hydrogen concentration of the (B) is 0.50 to 3.50 mol/kg; an average active hydrogen concentration of the (B) and the water is 2.00 to 8.00 mol/kg. The main agent and the curing agent are mixed in such amounts as to satisfy conditions that: a ratio of the number of isocyanate groups of the (A) to the number of active hydrogens of the (B) is 1 to 5; and a ratio of the number of isocyanate groups of the (A) to the total number of active hydrogens of the (B) and the water is 0.5 to 2.5.

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Patent Owner(s)

Patent OwnerAddress
SIKA TECHNOLOGY AG6340 BAAR

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Megumi Kanagawa, JP 26 26
Matsuki, Yuichi Kanagawa, JP 36 34
Miura, Kazuki Kanagawa, JP 20 17

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