Novel curing system for conjugated diene butyl elastomers
US4038472A · kind A · utility
1Cited by
2References
9Claims
0Family size
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Key dates
| Filing date | Feb 25, 1976 |
| Grant date | Jul 26, 1977 |
| Priority date | — |
| Expiry date | Feb 25, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/13
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Conjugated diene butyl (CDB) elastomer copolymers are cured with a system comprising dihydroxybenzene and an oxidant or oxidation catalyst whereby benzoquinone is formed which acts as the crosslinking dienophile. The process allows for satisfactory cures at room temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.