Composition made from natural rubber and a polyimine compound
US9006321B2 · kind B2 · utility
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3References
19Claims
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Key dates
| Filing date | Jul 8, 2010 |
| Grant date | Apr 14, 2015 |
| Priority date | — |
| Expiry date | Jan 21, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/29
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Reinforced rubber composition, exhibiting improved hysteresis, based on at least (a) an elastomeric matrix predominantly based on natural rubber, (b) a reinforcing filler and (c) a specific polyimine compound in a small proportion, preferably ranging from 1 to 5 mmol per 100 g of elastomer.This rubber composition is intended, for example, for the manufacture of a semi-finished rubber product intended for the tires of motor vehicles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.