Polyisocyanate curing agent for laminate adhesive laminate adhesive comprising the same and its use
US6309507A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 1, 1999 |
| Grant date | Oct 30, 2001 |
| Priority date | — |
| Expiry date | Mar 1, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/8064
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polyisocyanate curing agent for a laminate adhesive, which comprises a hydrophilic polar group-containing polyisocyanate; a laminate adhesive excellent in heat-resistance, durability and adhesiveness to polyolefin film which adhesive comprises the above hydrophilic polar group-containing polyisocyanate and an active hydrogen-containing compound; and use of an adhesive comprising the above polyisocyanate curing agent and an active hydrogen-containing compound in film lamination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.