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2 204 573

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IPC

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Application

2001112519/04, 2001-05-07

(24)

Start date

2001-05-07

(22)

Actual filing date

2001-05-07

(45)

Published

2003-05-20

(72)

Inventor

Amosov V.V.Rakhmatullina O.A.Gogotov A.F.Mekhed I.A.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Zavod Polimerov"

FOAMING POLYSTYRENE PRODUCTION PROCESS Russian patent published in 2003 - IPC

Abstract RU 2204573 C2

FIELD: polymer production. SUBSTANCE: process involves suspension polymerization of styrene in aqueous medium in presence of polymerization initiator, fire retardant, fire retardant synergist, chain growth regulator, foaming agent, and stabilizer: polyvinyl alcohol whose aqueous solution additionally contains calcium chloride. EFFECT: simplified polystyrene granule drying operation and reduced consumption of power on preparation of granules. 4 ex

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RU 2 204 573 C2

Authors

Amosov V.V.

Rakhmatullina O.A.

Gogotov A.F.

Mekhed I.A.

Dates

2003-05-20—Published

2001-05-07—Filed

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