Preparation of water-insoluble polymers

Details Preparation of water-insoluble polymers Preparation of water-insoluble polymers

1996-12-24

1998-12-15

Michl, Paul R.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

524460, 526201, 526202, C08F 220

Patent

active

058498532

ABSTRACT:
Water-insoluble polymers are prepared by free radical polymerization of ethylenically unsaturated monomers by a process in which the polymerization is carried out in an aqueous gel phase having a viscosity of at least 800 mPa.s and the gel former has a molecular weight of more than 20,000. The dispersions obtained have a long shelf life and the polymer can be readily precipitated.

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patent: 4769427 (1988-09-01), Nowakowsky
patent: 5563218 (1996-10-01), Rebre
patent: 5652309 (1997-07-01), Itoh

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