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2 092 496

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C1

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IPC

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Application

95109293/04, 1995-06-05

(22)

Actual filing date

1995-06-05

(45)

Published

1997-10-10

(72)

Inventor

Chechik O.S.Vasil'Ev V.K.Kuznetsov V.L.Kazakova E.N.Paramonov G.P.Vojnov O.A.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Sinteticheskij Kauchuk"

METHOD OF MANUFACTURING POLYSTYRENE LATEX Russian patent published in 1997 - IPC

Abstract RU 2092496 C1

FIELD: technology of polymers, more particularly manufacture of rubber foams, water emulsion paints, or paper. SUBSTANCE: present invention describes method of manufacturing low emulsifier polystyrene latex having copolymer particles size of 180-240 mm by emulsion polymerization of styrene by addition of emulsifier and monomer during process. Total amount of emulsifier to be added is 0.1-0.3 wt parts of emulsifier and 3.0-6.0 wt parts of monomer. The remaining amounts of emulsifier and 94-97 wt parts of monomer are added during process at rate that provides styrene to polystyrene weight ratios within 1:1.5-8.0. EFFECT: more efficient manufacturing process. 1 tbl

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RU 2 092 496 C1

Authors

Chechik O.S.

Vasil'Ev V.K.

Kuznetsov V.L.

Kazakova E.N.

Paramonov G.P.

Vojnov O.A.

Dates

1997-10-10—Published

1995-06-05—Filed

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