Patent · US Expired

Multi-layer composite

US5436073A · kind A · utility

27Cited by
26References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 26, 1993
Grant dateJul 25, 1995
Priority date
Expiry dateMay 26, 2013

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31906
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A composite laminate suitable for preparing release sheets or pressure-sensitive adhesive sheets is described. The composite laminate, in one embodiment, comprises (A) a substrate sheet of paper; (B) a first coating bonded to one surface of the substrate, said first coating comprising a radiation-cured composition acrylic comprising, prior to curing, a mixture of (i) at least one acrylated or methacrylated organic polyamino compound, and (ii) at least one acrylated or methacrylated organic polyhydroxy compound; and (C) a second coating bonded to the other surface of the substrate, said second coating comprising a polyolefin film.

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