Bromination of polystyrene using bromine as the reaction solvent
US4879353A · kind A · utility
36Cited by
10References
6Claims
0Family size
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Key dates
| Filing date | Oct 28, 1988 |
| Grant date | Nov 7, 1989 |
| Priority date | — |
| Expiry date | Oct 28, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F8/20
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for the bromination of polystyrenic homo- and co-polymers using bromine as the reaction medium, bromine chloride as the bromination reagent and a Lewis acid catalyst substantially improves product quality and permits controlling the reaction to achieve a desired level of bromination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.