Patent · US Expired

Polyisocyanate curing agent for laminate adhesive laminate adhesive comprising the same and its use

US6309507A · kind A · utility

25Cited by
5References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 1, 1999
Grant dateOct 30, 2001
Priority date
Expiry dateMar 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.