Thiopolymers, their derivatives and methods for their preparatio

Details Thiopolymers, their derivatives and methods for their preparatio Thiopolymers, their derivatives and methods for their preparatio

1975-05-27

1977-09-13

Woodberry, Edward M.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

195 63, 195 68, 210 24, 260 6, 260112R, 526 11, 526 30, 526 41, 536116, 536120, 536122, C07H 1504

Patent

active

040484165

ABSTRACT:
A method for producing products for separation, ion exchange or as basic material for the preparation of various derivatives designed for separation purposes and adsorption purposes by means of a polymer being activated with a reagent containing at least two bifunctional groups so that at least one of the reactive, functional groups in each molecule is bonded to the polymer while leaving a considerable amount of remaining groups unreacted but still reactive so that the activated polymer can be caused to react with thiosulphate after surplus reagent has been eliminated. The invention also relates to the produced products or their derivatives consisting of a water-soluble hydroxyl group or amino group containing polymer substituted with organic side-chains, each containing one or more thiosulphate groups or derivatives of such groups and the use of the products for purification of water, separation, immobilization of enzymes, etc.

REFERENCES:
patent: 3019171 (1962-01-01), Bloch et al.
patent: 3380999 (1968-04-01), Grotsch
patent: 3627683 (1971-12-01), Adam et al.
patent: 3651041 (1972-03-01), Schell et al.
patent: 3753861 (1973-08-01), Forgione
patent: 3836433 (1974-09-01), Wirth et al.
patent: 3853708 (1974-12-01), Porath et al.
patent: 3904478 (1975-09-01), Dean et al.
patent: 3962037 (1976-06-01), Mitchell

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