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2 084 461

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C1

(51)

IPC

(21) (22)

Application

94013205/04, 1994-04-14

(22)

Actual filing date

1994-04-14

(45)

Published

1997-07-20

(72)

Inventor

Zavodchikova N.N.Talaluev V.N.Chumakov L.V.

(73)

Holder

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

PROCESS FOR PREPARING MODIFIED POLYVINYL CHLORIDE Russian patent published in 1997 - IPC

Abstract RU 2084461 C1

FIELD: chemistry of polymers, more particularly processes for preparation of modified suspension polyvinyl chloride (PVC). SUBSTANCE: process for preparing modified PVC by suspension polymerization of vinyl chloride in the presence of 1-8% by weight of vinyl chloride of ethylene- vinyl acetate copolymer containing 20-65 wt.-% vinyl acetate, suspension stabilizer and initiator. The reaction mixture is premixed at mixing rate power of 0.03-2.0 w/kg and temperature from 20 to 50 C for 0.5-2.0 h. EFFECT: more efficient preparation process. 1 tbl

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RU 2 084 461 C1

Authors

Zavodchikova N.N.

Talaluev V.N.

Chumakov L.V.

Dates

1997-07-20—Published

1994-04-14—Filed

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