Process for producing polyacetal copolymers
US4399272A · kind A · utility
2Cited by
5References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 4, 1980 |
| Grant date | Aug 16, 1983 |
| Priority date | — |
| Expiry date | Nov 4, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G4/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for producing a polyacetal copolymer, which comprises copolymerizing formaldehyde and a compound selected from the group consisting of alkylene oxides, poly(alkylene oxides), cyclic formals and poly (cyclic formals) in the presence of a Lewis acid and an anionic polymerization catalyst with the exception of metal chelate compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.