Water in oil emulsion process for preparing gel-free polyelectro

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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260 296WQ, 260 793M, 526 88, 526207, 526210, 526229, 526911, 528503, C08F12052, C08F12070, C08F12230, C08F20000

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039753417

ABSTRACT:
There is provided a process for preparing polyelectrolytes by a water-in-oil emulsion process. A water-in-oil azeotropic emulsion is heated with agitation and a concentrated aqueous solution of small amounts of a polymerization initiator and gel inhibitor and at least one water-soluble vinyl monomer adapted to polymerize at reflux temperature with a concomitant loss of water by azeotropic distillation is added thereto to polymerize said water-soluble monomer.
The polymerized product including a gel inhibitor forms a gel-free aqueous solution.

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