Block polymers and their preparation
US4010226A · kind A · utility
28Cited by
8References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 17, 1975 |
| Grant date | Mar 1, 1977 |
| Priority date | — |
| Expiry date | Jul 17, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F297/044
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An improved process for the preparation of branched polymers is provided wherein the individual branches may be selected at will comprising the formation of an anionic polymer of a polymerizable monomer, coupling with a polyvinyl aromatic hydrocarbon and block polymerizing this coupled product with an anionically active polymerizable monomer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.