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https://drivepatents.com/patents/991500 · 24 Apr 2013
Provided is a composite which is comprised of one or more ion exchange resin(s) and a porous fluorine containing polymer membrane (2), wherein the porous membrane and the resin form a carbon-chain crosslinked structure, so that the film prepared from the c...
https://drivepatents.com/patents/991448 · 24 Apr 2013
Provided is a composite which is comprised of one or more ion exchange resin(s) and fluorine containing polymer fiber, wherein the fiber and the film-forming resin form a triazine-ring crosslinked structure, so that the film prepared from the composite is ...
https://drivepatents.com/patents/991451 · 24 Apr 2013
A composite having ion exchange function, preparation method and use thereof are provided. The composite is formed by compounding ion exchange resin with fluorine-containing polymer porous membrane, wherein the nitrile groups in the ion exchange resin reac...
https://drivepatents.com/patents/996830 · 24 Oct 2012
The present invention provides a high exchange capacity perfluorinated resin comprising two kinds of sulfonyl fluoride-containing short pendant groups of different structures, which is prepared by copolymerizing tetrafluoroethylene, vinyl ether monomers co...
https://drivepatents.com/patents/997192 · 17 Oct 2012
The present invention provides a perfluorinated ion exchange resin, whose structural formula is shown in formula M. The present invention also provides preparation method of the perfluorinated ion exchange resin, comprising subjecting tetrafluoroethylene m...