Patent · US Expired

Laminating adhesive, laminate including the same, and method of making a laminate

US7368171B2 · kind B2 · utility

3Cited by
24References
36Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 3, 2004
Grant dateMay 6, 2008
Priority date
Expiry dateAug 5, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31587
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

Disclosed is a method of making a laminate that includes a) preparing an adhesive composition, where the preparing includes combining a first part that includes (meth)acrylate functional, polyisocyanate prepolymer, and polyisocyanate monomer, the first part including at least 10% by weight isocyanate functional groups, and a second part that includes polyol, at least one of the first part and the second part includes photoinitiator, b) coating a first flexible substrate with the adhesive composition, c) exposing the adhesive composition to radiation to partially cure the adhesive composition, and d) contacting the adhesive composition with a second flexible substrate.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.