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1 777 337

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A1

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Application

4838365/05, 1990-06-11

(22)

Actual filing date

1990-06-11

(45)

Published

1994-07-30

(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.

ACRYL COPOLYMER FOR MANUFACTURE OF VIBRATION-ABSORBING MATERIAL AND PROCESS FOR EFFECTING SAME Russian patent published in 1994 - IPC

Abstract SU 1777337 A1

FIELD: chemistry. SUBSTANCE: acryl copolymer including 5.9 to 13.9 mole percent vinylacetate, 84.1 to 92.1 mole percent butylacrylate, 1.1 to 4.6 mole percent 1-methacryloyloxy-1-tert-butylperoxyethane exhibits inherent viscosity of 0.65 to 1.58 dl/g in acetone at temperature of 20 C. Desired product is produced by method of water-emulsion polymerization of monomer mixture introduced into reaction zone at constant rate of 33.3 to 50.0 % of total charge per 1 h in presence of 1 to 6 percent by mass emulsifier and water-soluble initiator charged by equal portions at equal intervals (24 to 36 min). EFFECT: excellent starting stock for manufacture of highly effective vibration-absorbing film materials. 2 tbl, 3 cl

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SU 1 777 337 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

1994-07-30—Published

1990-06-11—Filed

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