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2 249 602

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(51)

IPC

(21) (22)

Application

2003113348/04, 2003-05-12

(24)

Start date

2003-05-12

(22)

Actual filing date

2003-05-12

(45)

Published

2005-04-10

(72)

Inventor

Petukhova A.V.Gritskova I.A.Basov B.K.Papkov V.S.

(73)

Holder

Petukhova Alla Valer'EvnaGritskova Inessa AleksandrovnaBasov Boris KonstantinovichPapkov Vladimir Sergeevich

METHOD FOR PRODUCTION OF DIENE-STYRENE LATEX Russian patent published in 2005 - IPC

Abstract RU 2249602 C2

FIELD: polymer chemistry.

SUBSTANCE: method relates to method for production of diene (e.g., butadiene, isoprene, piperylene)-styrene copolymers by copolymerization in aqueous medium, using stirred reactor, in presence of radical initiators, specific additives and surfactant mixture, containing α-(carboxyethyl)-ω₁-(trimethylsiloxy) polydimethylsiloxane (PDS) of general formula 1, wherein n = 7-9 in amount of 0.1-3.0 mass parts in respect to 100 mass parts of total copolymers mixture. Latex obtained in presence of PDS has decreased foaming, and claimed latex-based films have increased water-resistance.

EFFECT: latex of improved physical and chemical properties.

9 ex, 6 tbl

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RU 2 249 602 C2

Authors

Petukhova A.V.

Gritskova I.A.

Basov B.K.

Papkov V.S.

Dates

2005-04-10—Published

2003-05-12—Filed