Organosulfur chain transfer agents for emulsion copolymerization
US5194539A · kind A · utility
21Cited by
1References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 1, 1991 |
| Grant date | Mar 16, 1993 |
| Priority date | — |
| Expiry date | Aug 1, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2/38
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Odorless, aqueous copolymer dispersions are produced by emulsion copolymerizing a comonomer recipe which comprises at least 60% by weight of styrene and/or butadiene and/or an acrylic ester and/or a vinyl nitrile, and, optionally, up to 40% by weight of at least one other copolymerizable comonomer, in an aqueous medium of copolymerization, in the presence of an alkoxy, aryloxy, acyloxy or acylamino substituted diphenyl disulfide chain transfer agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.