Modified novolak resin for use as tackifier
US7772345B2 · kind B2 · utility
3Cited by
12References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 16, 2006 |
| Grant date | Aug 10, 2010 |
| Priority date | — |
| Expiry date | Oct 7, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L61/14
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention is related to a hydrocarbylphenol-formaldehyde linear novolak resin modified with a vinyl monomer. A modified, hydrocarbylphenol-formaldehyde linear novolak resin of the invention is prepared by reacting a hydrocarbyl phenol-formaldehyde linear novolak resin with a vinyl monomer in the presence of an acid catalyst. The invention also relates to a rubber compositions with improved tack comprising a rubber or mixture of rubbers, and the modified, hydrocarbylphenol-formaldehyde linear novolak resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.