Anion exchange membrane, process for its production and solution treating apparatus
US7081484B2 · kind B2 · utility
16Cited by
9References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 23, 2001 |
| Grant date | Jul 25, 2006 |
| Priority date | — |
| Expiry date | Oct 22, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2325/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An anion exchange membrane comprising a resin phase which contains from 20 to 96 mass % of a polymer having repeating units represented by the following formula (1):wherein A is a C3-8 alkylene group or an alkyleneoxyalkyl group having a total carbon number of from 4 to 9, each of R1, R2 and R3 is a hydrogen atom, a C1-6 alkyl group or a hydroxyalkyl group, and X− is an anion, and wherein any hydrogen atom bonded to the benzene ring may be substituted by an alkyl group or a halogen atom, and from 4 to 80 mass % of a thermoplastic polymer having no ion exchange groups, substantially uniformly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.