Novel basic cross-linked polymers

Details Novel basic cross-linked polymers Novel basic cross-linked polymers

1979-07-02

1982-01-19

Hamrock, William F.

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

Synthetic resins

Ion-exchange polymer or process of preparing

521 32, 521 33, 521 38, 526293, 526310, C08F11208, B01J 3920

Patent

active

043117996

ABSTRACT:
A basic copolymer whose main chain is cross-linked which comprises about 6 to about 98% by weight of recurring units of Formula (A) or (B), ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3, which may be the same or different, each represents a hydrogen atom or a hydrocarbon group selected from the group consisting of C.sub.1-20 alkyl groups, C.sub.3-10 cycloalkyl groups, C.sub.3-8 alkenyl groups, C.sub.6-15 aryl groups, C.sub.7-12 arylalkyl groups and C.sub.1-15 aminoalkyl groups; and X is an acid radical, and about 2 to about 94% by weight of cross-linked units based on the total weight of the recurring units of Formula (A) or (B) and the cross-linked units and, if desired, up to about 92% by weight of units of a monoethylenically unsaturated monomer or a conjugated monomer based on the total weight of the recurring units of Formula (A) or (B), the cross-linked units and the units of the monoethylenically unsaturated monomer or the conjugated monomer.

REFERENCES:
patent: 2591573 (1952-04-01), McBurney
patent: 2591574 (1952-04-01), McBurney
patent: 2597440 (1952-05-01), Bodomer
patent: 2723245 (1955-11-01), Wheaton
patent: 2788330 (1957-04-01), Jilwood et al.
patent: 2874132 (1959-02-01), Reiner
patent: 3817878 (1974-06-01), Clemes et al.

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