Process for producing polymeric electrolyte complex and ion-exch

Details Process for producing polymeric electrolyte complex and ion-exch Process for producing polymeric electrolyte complex and ion-exch

1995-06-16

1997-07-15

Zitomer, Fred

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Ion-exchange polymer or process of preparing

521 27, 521 32, 521 33, 525353, 525374, 525379, C08F 832, C08F 836, B01J 4300

Patent

active

056484003

ABSTRACT:
A monomer having cationic groups and a monomer having anionic groups are introduced into polymeric substrates such as fibers, woven fabrics, nonwoven fabrics and membranous materials through radiation-initiated graft polymerization, thereby producing polymeric electrolyte complexes that have good physical properties and which can be formed into shapes that suit specific uses. Also disclosed is a process according to which hydrophilic groups and/or ion-exchange groups are introduced into polymeric substrates such as fibers, woven fabrics, nonwoven fabrics and membranous materials through radiation-initiated graft polymerization. To introduce hydrophilic groups and/or ion-exchange groups, two or more monomers are used as selected from among hydrophilic monomers, monomers having cation-exchange groups (e.g. acrylic acid, methacrylic acid and styrenesulfonic acid salt), and monomers having anion-exchange groups (e.g. vinylbenzyltrimethyl ammonium salt and diethylaminoethyl methacrylate).

REFERENCES:
patent: 4298698 (1981-11-01), Kawase
patent: 4481306 (1984-11-01), Markus
patent: 4500396 (1985-02-01), D'Agostino
patent: 4642601 (1987-02-01), Sugawara
patent: 5075342 (1991-12-01), Ishigaki

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