TWO-PART CURABLE URETHANE-BASED COMPOSITION

A two-part curable urethane-based composition comprising a main agent (A); and a curing agent (B), wherein the main agent (A) contains a urethane prepolymer (a), an isocyanurate modified product of a polyisocyanate compound (b), and a silane coupling agent (c) in a specified ratio, the curing agent...

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Bibliographische Detailangaben
Hauptverfasser: MATSUMIYA Hisao, HIRAMOTO Yuya, MORI Kazuhiko
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A two-part curable urethane-based composition comprising a main agent (A); and a curing agent (B), wherein the main agent (A) contains a urethane prepolymer (a), an isocyanurate modified product of a polyisocyanate compound (b), and a silane coupling agent (c) in a specified ratio, the curing agent (B) contains a polyol (d) having a hydroxyl value of 50 to 500 mgKOH/g and an amine catalyst (e) in a specified amount, a mixing mass ratio of the main agent (A) to the curing agent (B) is 3:1 to 10:1, and an equivalent ratio of NCO group/OH group in the main agent (A) and the curing agent (B), respectively, is 1.0 to 5.0.