Process for preparing highly reactive, water-absorptive resin

Details Process for preparing highly reactive, water-absorptive resin Process for preparing highly reactive, water-absorptive resin

1986-03-04

1988-02-23

Ivy, C. Warren

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523409, 523411, 524460, 524507, 524533, 525274, 525108, 525111, 525112, 525113, 525125, 525127, 525155, 525279, 525283, 525293, 525296, 525303, C08L 5100, C08L 3302, C08L 6300

Patent

active

047270977

ABSTRACT:
A highly reactive, water-absorptive resin is prepared by (1) impregnating a highly water-absorptive resin having carboxyl or carboxylate groups and a water content of 50 percent by weight or lower with a hydrophilic polymer or monomer having a reactive group and (2) polymerizing said monomer or crosslinking said polymer with a crosslinking agent.

REFERENCES:
patent: 3821145 (1974-06-01), Walus
patent: 3914341 (1975-10-01), Kliment et al.
patent: 3998905 (1976-12-01), Labana et al.
patent: 4085168 (1978-04-01), Milkovich et al.
patent: 4339371 (1982-07-01), Robinson et al.
patent: 4367323 (1983-01-01), Kitamura et al.
patent: 4423165 (1983-12-01), Harper
patent: 4546014 (1985-08-01), Gajria
patent: 4560714 (1985-12-01), Gajria

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