METHOD FOR PRODUCTION OF GRAFTED COPOLYMER Russian patent published in 1997 - IPC

Abstract RU 2074201 C1

FIELD: preparing of gas for its transportation. SUBSTANCE: method is carried out by radical polymerization of acryl acid followed by adding of diethylene glycol. Said polymerization is carried out in aqueous medium in the presence of polyacryl amide, surfactant and ammonium persulfate, mass ratio of polyacrylamide, acryl acid, ammonium persulfate, surfactant and diethylene glycol being 1.8-2.4: 1.84-2.01: 0.025-0.04: 0.054-0.078:20-25 respectively. Preliminary aqueous solution of ingredients is prepared at mixing rate 10-60 m/s, the process takes place till solution having viscosity not less 0.08 Pa•s is prepared. EFFECT: improves efficiency of the method.

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RU 2 074 201 C1

Authors

Porajko Ivan Nikolaevich[Ua]

Kljuk Bogdan Alekseevich[Ru]

Zabaznov Aleksandr Ivanovich[Ru]

Matrosov Vladimir Ivanovich[Ru]

Dates

1997-02-27Published

1993-03-10Filed