Release film comprising polycarbonate-silicone-urethane resin
US5756214A · kind A · utility
19Cited by
11References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 1, 1995 |
| Grant date | May 26, 1998 |
| Priority date | — |
| Expiry date | Jun 1, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31663
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A release film comprises a polymeric film substrate and a polymeric abherent layer. The abherent layer comprises a polyurethane resin which is the reaction product of: PA0 (i) an organic polyisocyanate, PA0 (ii) an isocyanate-reactive polydialkylsiloxane, and PA0 (iii) a polymeric polyol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.