Urea additives for sulfur vulcanizable polymers
US4042642A · kind A · utility
2Cited by
3References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 26, 1976 |
| Grant date | Aug 16, 1977 |
| Priority date | — |
| Expiry date | Jan 26, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/43
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Ureas such as 1,3-bis(morpholinothio)-imidazolidinone are used to affect the vulcanization characteristics of sulfur vulcanizable polymers by increasing the state of vulcanization and improving scorch resistance and/or increasing the rate of vulcanization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.