Patent · US Active

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 dateApr 22, 2014
Grant dateFeb 27, 2018
Priority date
Expiry dateSep 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.