Curing of rubbers and thermoplastic vulcanizates in the absence of halogen donors
US7803875B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2007 |
| Grant date | Sep 28, 2010 |
| Priority date | — |
| Expiry date | Jun 27, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L61/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Aspects of the invention include a method of curing a rubber composition comprising providing a rubber; intimately contacting a curative agent with the rubber; wherein the curative agent consists essentially of a phenol formaldehyde resin, a metal oxide and a carboxylic acid metal salt. Another aspect of the present invention is to a method of curing a rubber composition comprising providing a rubber; intimately contacting a curative agent with the rubber; wherein the curative agent comprises a phenol formaldehyde resin and carboxylic acid metal salt; and wherein halogen-donating species are absent from the rubber and curative agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.