Rate-moderated group transfer polymerization
US4791181A · kind A · utility
6Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 8, 1988 |
| Grant date | Dec 13, 1988 |
| Priority date | — |
| Expiry date | Feb 8, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F4/42
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polymerization process which comprises contacting at least one polar acrylic type or maleimide monomer under polymerization conditions with (i) a tetracoordinate organosilicon, organotin or organogermanium initiator having at least one initiating site, (ii) a co-catalyst which is a source of fluoride, bifluoride, cyanide or azide ions or a Lewis acid, and (iii) from 0.1 to 10% by weight, based on the weight of monomer, of acetonitrile.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.