Multi-layer composite
US5436073A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 26, 1993 |
| Grant date | Jul 25, 1995 |
| Priority date | — |
| Expiry date | May 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.