Rate-moderated group transfer polymerization
US4956428A · kind A · utility
0Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 16, 1989 |
| Grant date | Sep 11, 1990 |
| Priority date | — |
| Expiry date | Feb 16, 2009 |
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 leasst one initiating site and (ii) a co-catalyst which is a complex obtained by the interaction of a source of fluoride, bifluoride, cyanide or azide ions or a Lewis acid with a complexing agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.