Cross-linked saponified absorbent polymer

Details Cross-linked saponified absorbent polymer Cross-linked saponified absorbent polymer

1976-11-19

1978-11-07

Levin, Stanford M.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

128284, 260 296B, 260 334R, 526 10, C08F 812, C08F 844

Patent

active

041247485

ABSTRACT:
A highly absorbent polymer is obtained by saponifying a crosslinked copolymer of a vinyl ester and an ethylenically unsaturated carboxylic acid or the derivative thereof. The absorbent polymer is suitable as a material, for example, for separation and purification of substances and a seed culturing media for plants.

REFERENCES:
patent: 2458639 (1949-01-01), Quarles
patent: 2569932 (1951-10-01), Izard
patent: 3082194 (1963-03-01), Imperiale et al.
patent: 3203918 (1965-08-01), Goldberg et al.
patent: 3640734 (1972-02-01), Oppenheimer et al.

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