Optical laminates
US5126208A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 12, 1990 |
| Grant date | Jun 30, 1992 |
| Priority date | — |
| Expiry date | Oct 12, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31663
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An optical laminate having improved resistance to delamination upon exposure to moisture consists essentially of a layer of organosiloxane composition, a primer layer, and a layer of organic elastomer. The organosiloxane composition comprises a polydiorganosiloxane gum containing at least two ethylenically unsaturated hydrocarbon radicals per molecule, an organohydrogensiloxane containing at least two silicon-bonded hydrogen atoms per molecule, and a platinum containing hydrosilation catalyst. The primer comprises a specific mixture of organosilicone compound, silane copolymer, organohydrogensiloxane, and solvent being as least 50 percent of an ethylenically unsaturated alcohol. The organic elastomer is selected from a polyvinylbutyral or polyurethane of the types used for optical laminates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.