Polyisocyanate curing agent for laminate adhesive, and laminate adhesive using the same
US6649084B2 · kind B2 · utility
28Cited by
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10Claims
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Key dates
| Filing date | Jul 25, 2001 |
| Grant date | Nov 18, 2003 |
| Priority date | — |
| Expiry date | Jul 25, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J175/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polyisocyanate curing agent comprising an isocyanate group-terminated prepolymer and a silane coupling agent represented by formula (2),OCN—(CH2)x—Si(OR′)3  (2)wherein R is an alkyl group having 1 to 5 carbon atoms and m and n is each an integer of 1 or more; and an adhesive for forming laminates based on the above polyisocyanate curing agent and an active hydrogen-group containing resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.