Vinylic group containing dextran derivative gel in particle form

Details Vinylic group containing dextran derivative gel in particle form Vinylic group containing dextran derivative gel in particle form

1976-11-29

1978-06-13

Woodberry, Edward M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

210 31C, 260 174ST, 536 51, 536112, C08L 502

Patent

active

040948331

ABSTRACT:
A dextran derivative gel in particle form for use in the separation of substances according to their molecular size and/or electrical charge by means of gel-chromatographic and/or ion exchange techniques is disclosed which gel comprises a copolymerizate obtained by the free-radical copolymerization of a dextran derivative containing vinyl and/or substituted vinyl groups with (a) a divinyl compound of the formula ##STR1## wherein R' and R" are equal or different and each represent hydrogen or methyl and X is ##STR2## --SO.sub.2 -- or the group ##STR3## wherein n is an integer from 1 to 6, inclusive, and optionally (b) a low-molecular weight monovinyl compound.

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Chem. Absts. 82:141801s, Synthesis of Unsaturated Derivatives of Cellulose and Dextran, Kolova et al.

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