METHOD OF PRODUCING WATER-SOLUBLE TRIMETALLIC SALTS OF ACRYLIC AND METHACRYLIC ACID COPOLYMERS Russian patent published in 2012 - IPC C08F220/06 C08F20/06 C08F8/42 C08F8/44 

Abstract RU 2470038 C2

FIELD: chemistry.

SUBSTANCE: invention relates to synthesis of water-soluble trimetallic salts of acrylic and methacrylic acid copolymers. The method of producing water-soluble trimetallic salts of acrylic and methacrylic acid copolymers involves polymerisation of a mixture of acrylic and methacrylic acid in the presence of potassium persulphate with subsequent addition of a mixture of aqueous solutions of chlorides or sulphates of di- or trivalent metals in amount of 6.802-35.2776 moles and neutralisation of the remaining free acid with aqueous sodium hydroxide solution.

EFFECT: obtaining water-soluble salts of copolymers of different composition.

1 cl, 20 ex

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RU 2 470 038 C2

Authors

Podkujko Petr Alekseevich

Tsarik Ljudmila Jakovlevna

Dates

2012-12-20Published

2010-11-25Filed