Process for preparing a branched polymer from a vinyl aromatic monomer
US5663252A · kind A · utility
4Cited by
7References
11Claims
0Family size
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Key dates
| Filing date | Nov 21, 1995 |
| Grant date | Sep 2, 1997 |
| Priority date | — |
| Expiry date | Nov 21, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F4/34
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A free radical polymerization process for producing a branched polymer from a vinyl aromatic monomer comprising polymerizing a vinyl aromatic monomer in the presence of a free radical initiator of the formula: ##STR1## wherein R is H, alkyl, or aralkyl, and R' is alkyl or aryl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.