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1 771 191

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A1

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IPC

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Application

4838364/05, 1990-06-11

(22)

Actual filing date

1990-06-11

(45)

Published

1994-08-15

(72)

Inventor

Rodionov A.G.Asinovskaja I.S.Poljakov A.A.Sul'Zhenko L.L.Pozamontir A.G.Mjasnikova M.P.Sinajskaja I.O.Pavljuchenko V.N.Ivanchev S.S.

ACRYLIC POLYMER FOR MAKING OF VIBRATING-ABSORBING MATERIAL AND A METHOD OF ITS MAKING Russian patent published in 1994 - IPC

Abstract SU 1771191 A1

FIELD: polymeric materials. SUBSTANCE: copolymer has, mole%: vinyl acetate 43.4-51.6; butylacrylate 44.8-55; 1-methacryloyloxy-1-tert.-butylperoxyethane 0.8-5.1. Its intrinsic viscosity in acetone is 0.65-1.58 dl/g at 20 C. Copolymer is prepared by aqueous-emulsion polymerization of mixture monomers feeding in reaction zone at the constant rate 25-50% total loading per 1 h in the presence of 0.8-6 wt.-% emulsifying agent C-10 and water-soluble initiator which is loaded in equal time intervals - 24-48 min. EFFECT: improved method of making, enhanced quality of polymer. 2 tbl

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SU 1 771 191 A1

Authors

Rodionov A.G.

Asinovskaja I.S.

Poljakov A.A.

Sul'Zhenko L.L.

Pozamontir A.G.

Mjasnikova M.P.

Sinajskaja I.O.

Pavljuchenko V.N.

Ivanchev S.S.

Dates

1994-08-15—Published

1990-06-11—Filed

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