Silicone compositions for the formation of cured release coatings
US5545682A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 23, 1995 |
| Grant date | Aug 13, 1996 |
| Priority date | — |
| Expiry date | May 23, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D183/14
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The introduction of release coating-forming silicone compositions that yield cured release coatings that exhibit excellent release properties against tacky substances and do not impair the residual adhesion of tacky substances. Silicone composition for the formation of cured release coatings, that characteristically comprises PA1 (A) 100 weight parts of a cured coating-forming silicone composition into which there is admixed PA1 (B) 0.5 to 500 weight parts organosilicon polymer with the following average unit formula ##STR1## wherein R represents C.sub.1 to C.sub.10 monovalent hydrocarbon groups that are free of aliphatic unsaturation; R.sup.1 represents organic groups selected from the group consisting essentially of C.sub.2 to C.sub.20 alkylene groups and organic groups with the formulas --R.sup.3 (OR.sup.3).sub.y -- and --R.sup.3 --(R.sub.2 SiO).sub.z R.sub.2 Si--R.sup.3 -- (R is defined as above, R.sup.3 denotes C.sub.2 to C.sub.20 alkylene groups, which may be the same or different, y is an integer with a value of 1 or more, and z is zero or an integer with a value of 1 or more); R.sup.2 represents groups selected from the group consisting essentially of C.sub.1 to C.sub.10 mo…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.