Process for preparing solid water soluble polymers

Details Process for preparing solid water soluble polymers Process for preparing solid water soluble polymers

1976-08-25

1978-02-14

Levin, Stanford M.

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

Synthetic resins

Treating polymer containing material or treating a solid...

260 296PT, 526303, 526312, C08F 612

Patent

active

040740412

ABSTRACT:
An aqueous gel of a water-soluble polymer containing units of a quaternary ammonium salt of an alkylacrylate or a methacrylate is dehydrated by adding at least one salt of a divalent metal and a strong acid to said gel and then dehydrating said gel.

REFERENCES:
patent: 3486932 (1969-12-01), Schaper et al.
patent: 3661880 (1972-05-01), Markert et al.

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