General purpose siloxane release coatings
US5229179A · kind A · utility
15Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 1992 |
| Grant date | Jul 20, 1993 |
| Priority date | — |
| Expiry date | Jun 24, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2839
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Iniferter prepared release coating compositions comprising vinyl-siloxane block copolymer and blends thereof with other polymeric materials on sheet materials and the backside of adhesive tapes are provided. Controlled and predictable release is obtained through variation of the molecular weight and weight percent of the siloxane block as well as the molecular weight and composition of the vinyl block or blocks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.