Modified hydrocarbylphenol-aldehyde resins for use as tackifiers and rubber compositions containing them
US8557930B2 · kind B2 · utility
5Cited by
2References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 5, 2012 |
| Grant date | Oct 15, 2013 |
| Priority date | — |
| Expiry date | Sep 5, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L61/14
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a modified hydrocarbylphenol-aldehyde resin prepared by reacting a hydrocarbylphenol-aldehyde resin with a primary or secondary amine and further with an epoxide. The invention also provides a process for preparing a modified, hydrocarbylphenol-aldehyde resin and a rubber composition containing such resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.