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Application

4386541/05, 1988-02-29

(22)

Actual filing date

1988-02-29

(45)

Published

1994-07-15

(72)

Inventor

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

METHOD FOR PRODUCING VINYLACETATE-BUTYLACRYLATE COPOLYMER Russian patent published in 1994 - IPC

Abstract SU 1653311 A1

FIELD: manufacture of vibration absorbing materials. SUBSTANCE: method involves water-emulsion copolymerization of vinylacetate and butylacrylate in presence of sodium salt of sulfated alkylphenol esters in the amount of 1.36% of monomer mixture; initiator is admitted in six steps at 36 min intervals, monomer mixture is introduced at a rate of 33.3-40% and hour; mixture contains 25.0-30 mol percent of vinylacetate and 75.0-70 mol percent of butylacrylate. EFFECT: improved damping property of copolymers at -2 to +12 C. 2 tbl

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SU 1 653 311 A1

Authors

Rodionov A.G.

Asinovskaja I.S.

Zabrodin D.N.

Pavljuchenko V.N.

Ivanchev S.S.

Pozamontir A.G.

Mjasnikova M.P.

Sinajskaja I.O.

Maksimov V.L.

Popova L.A.

Beljaev V.M.

Zaporozhets V.D.

Dates

1994-07-15—Published

1988-02-29—Filed

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