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2 070 209

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C1

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IPC

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Application

5044140/04, 1992-05-26

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Actual filing date

1992-05-26

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Published

1996-12-10

(72)

Inventor

Zhil'Tsov V.V.Malafeeva A.G.Savel'Ev A.P.Arkhipova L.I.Molodyka A.V.Tjukhanov V.F.Butakov G.V.Telegin P.A.Smagin A.M.Privalov V.A.

(73)

Holder

Gosudarstvennyj Nauchno-Issledovatel'Skij Institut Khimii I Tekhnologii Polimerov Im.Akad.V.A.Kargina S Opytnym Zavodom

METHOD FOR PRODUCING GRAFT COPOLYMER OF VINILCHLORIDE Russian patent published in 1996 - IPC

Abstract RU 2070209 C1

FIELD: as modifier for polyvinyl chloride composition. SUBSTANCE: process for preparing grafted vinyl chloride copolymer by polymerization vinyl chloride in aqueous medium in the presence of radical initiator, high-molecular dispersant, 0.1-1.3 wt% of stabilizer selected from group consisting of 4-methyl-2,6-di-tert- butylphenol, 4-methoxymethyl-2,6-di-tert-butylphenol, 2,2'-methylene-bis-(4-methyl-6-tert-butylphenol) and butadiene-styrene copolymer or piperylene-butadiene- styrene copolymer at vinyl chloride to copolymer weight ratio of 90-98.5: 10-1. EFFECT: improved properties of E. 39 ex, 1 tbl

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RU 2 070 209 C1

Authors

Zhil'Tsov V.V.

Malafeeva A.G.

Savel'Ev A.P.

Arkhipova L.I.

Molodyka A.V.

Tjukhanov V.F.

Butakov G.V.

Telegin P.A.

Smagin A.M.

Privalov V.A.

Dates

1996-12-10—Published

1992-05-26—Filed

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