Halomethylation of polystyrene
US3995094A · kind A · utility
17Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 1975 |
| Grant date | Nov 30, 1976 |
| Priority date | — |
| Expiry date | Sep 12, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F8/24
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polystyrene is halomethylated by contact with a solution of halomethoxybutane in a reaction medium (preferably halohydrocarbon) in the presence of a transition metal halide catalyst at a temperature of from about 5.degree. C to about 100.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.