METHOD OF CONTROLLED RADICAL POLYMERIZATION OF ACRYLIC ACID AND ITS SALTS, RESULTING POLYMERS CHARACTERIZED BY LOW POLYDISPERSITY, AND THEIR APPLICATIONS Russian patent published in 2007 - IPC C08F2/38 C08F20/06 C08F2/04 

Abstract RU 2299890 C9

FIELD: polymerization processes.

SUBSTANCE: invention provides a method for homopolymerization of acrylic acid and its salts or copolymerization of acrylic acid with one or several water-soluble monomers in solution in presence of suitable organo-sulfurized polymerization degree regulators according to invention. Thus prepared polymers are used as dispersing substances for mineral materials, for paper coatings, and as paper pulp fillers.

EFFECT: reduced polydispersity of polymers and enabled polymerization degree control according to desired industrial application.

32 cl, 16 tbl, 10 ex

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RU 2 299 890 C9

Authors

Sjuo Zhan-Mark

Ehgra Zhan-Bernar

Klaveri Zherom

Ladav'Er Katerin

Dates

2007-05-27Published

2002-02-28Filed