Phosphonic acid cross-linked hydrophilic copolymers

Details Phosphonic acid cross-linked hydrophilic copolymers Phosphonic acid cross-linked hydrophilic copolymers

1984-04-09

1986-04-29

Henderson, Christopher A.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

524 2, 8553, 8554, 526258, 526264, 526278, C08F23002

Patent

active

045858454

ABSTRACT:
Crosslinked copolymers wherein crosslinking is effected with crosslinking bridge members of the formula ##STR1## wherein R.sup.1 and R.sup.2 independently of one another are each hydrogen or alkyl with 1 to 4 carbon atoms and m represents a number from 0 to 6 are prepared by copolymerization of monomers with vinylphosphonic acid (ester)-anhydrides and the new crosslinked polymers according to the invention are suitable for the preparation of acid-soluble coatings and encapsulation materials.

REFERENCES:
patent: 3551394 (1970-12-01), Sakuragi
patent: 4368043 (1983-01-01), Yamauchi

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