Process for preparing an ion-exchange composite material comprising a specific polymer matrix and a filler consisting of ion-exchange particles
US9905872B2 · kind B2 · utility
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Key dates
| Filing date | Apr 22, 2014 |
| Grant date | Feb 27, 2018 |
| Priority date | — |
| Expiry date | Sep 16, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a process for preparing a composite material comprising a fluorinated polymeric matrix and a filler consisting in ion exchange inorganic particles comprising a step for in situ synthesis of said particles within the polymeric matrix, said matrix comprising at least one first copolymer comprising at least two types of fluorinated recurrent units, a type of which bears at least one pendant maleic anhydride group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.