Process for the polymerization of cyclic ethers
US6040419A · kind A · utility
19Cited by
7References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 20, 1998 |
| Grant date | Mar 21, 2000 |
| Priority date | — |
| Expiry date | Jul 20, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G65/2678
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An improved process for the polymerization of cyclic ethers to polyethers using strong Bronsted acid catalysts is disclosed. The catalysts are fluorinated sulfonic acid containing polymers. The resulting polyethers are useful as monomers and in adhesives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.