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2 125 064

(13)

C1

(51)

IPC

(21) (22)

Application

96108895/04, 1996-04-29

(22)

Actual filing date

1996-04-29

(45)

Published

1999-01-20

(72)

Inventor

Kronman A.G.Groshev G.L.Kanakov A.E.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa

METHOD OF PREPARING SUSPENSION POLYVINYL CHLORIDE Russian patent published in 1999 - IPC

Abstract RU 2125064 C1

FIELD: chemistry of high molecular weight compounds. SUBSTANCE: suspension polyvinyl chloride is prepared by polymerization in the presence of protective colloid and redox initiating system consisting of di-2-ethylhexyl peroxydicarbonate and phthalimide at weight ratio from 1:0.67 to 1:0.80. The present invention makes it possible to reduce polymerization cycle by 19.0-23.8% and to retain yield and main properties of the final product. EFFECT: more efficient preparation method. 7 ex, 1 tbl

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RU 2 125 064 C1

Authors

Kronman A.G.

Groshev G.L.

Kanakov A.E.

Dates

1999-01-20—Published

1996-04-29—Filed

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