Silica filled vulcanizates
US4179421A · kind A · utility
7Cited by
12References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 6, 1978 |
| Grant date | Dec 18, 1979 |
| Priority date | — |
| Expiry date | Mar 6, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K3/36
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process, and the product thereof, is provided for the production of improved silica filled rubbery vulcanizates which process comprises mixing a vulcanizable hydrocarbyl polymer containing epoxy groups and silica, shearing the mixture at an elevated temperature, incorporating vulcanization active compounds and vulcanizing. The vulcanizates may be used where reinforced vulcanizates are required.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.