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Application

4399323/05, 1988-02-29

(22)

Actual filing date

1988-02-29

(45)

Published

1994-11-30

(72)

Inventor

Rodionov A.G.Asinovskaja I.S.Pavljuchenko V.N.Ivanchev S.S.Maksimov V.L.Popova L.A.Beljaev V.M.Pozamontir A.G.Mjasnikova M.P.Sinajskaja I.O.

METHOD OF PREPARING OF COPOLYMER OF VINYL ACETATE WITH BUTYLACRYLATE Russian patent published in 1994 - IPC

Abstract SU 1637285 A1

FIELD: polymeric materials. SUBSTANCE: new method of copolymer preparing is carried out by water-emulsion copolymerization of vinyl acetate with butylacrylate in the presence of sulfated alkylphenol esters sodium salt taken at quantity 1.36% of monomers mixture. Initiating agent is loaded by 6 stages in 36 min, monomers mixture is added at the rate 33.3-40% per 1 h. Mixture has 4.1-9.4 mol.% vinyl acetate and 90.6-95.9 mol.% butylacrylate. Copolymers prepared are used for making of vibration-absorbing materials. EFFECT: increased damping properties of copolymers at the temperature range (-17)-(-3) C. 2 tbl

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SU 1 637 285 A1

Authors

Rodionov A.G.

Asinovskaja I.S.

Pavljuchenko V.N.

Ivanchev S.S.

Maksimov V.L.

Popova L.A.

Beljaev V.M.

Pozamontir A.G.

Mjasnikova M.P.

Sinajskaja I.O.

Dates

1994-11-30—Published

1988-02-29—Filed

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