Blended composition of 2-methylpropenyl-terminated polyisobutylene with polydimethylsiloxane
US5662832A · kind A · utility
2Cited by
16References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 4, 1994 |
| Grant date | Sep 2, 1997 |
| Priority date | — |
| Expiry date | Oct 4, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G77/70
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A composition is disclosed, said composition comprising (A) a polydimethylsiloxane having a viscosity greater than about 2 cS at 25.degree. C.; and (B) a polyisobutylene oligomer having a number average molecular weight of about 200 to about 2,300 and having at least one end terminated with a 2-methylpropenyl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.