Process for imparting low compression set to liquid injection moldable silicone elastomers
US5977220A · kind A · utility
10Cited by
30References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 29, 1997 |
| Grant date | Nov 2, 1999 |
| Priority date | — |
| Expiry date | Dec 29, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G77/20
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process to reduce the compression set of elastomeric silicone compositions, addition cured injection moldable compositions or millable compositions, comprises the incorporation of nitrogen compounds wherein the nitrogen possesses at least one organic substituent and the nitrogen is tetravalent wherein the nitrogen is cationic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.