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2 086 564

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C1

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IPC

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Application

5017296/04, 1991-12-17

(22)

Actual filing date

1991-12-17

(45)

Published

1997-08-10

(72)

Inventor

Silkin Stanislav Pavlovich[Ua]Ostrovskaja Alina Ivanovna[Ua]Jankovskij Nikolaj Andreevich[Ua]Kravchenko Boris Vasil'Evich[Ua]Pol'Okha Alina Mikhajlovna[Ua]Aleshina Anna Borisovna[Ua]Protsak Valentina Matveevna[Ua]Gospodyn'Ko Jurij Borisovich[Ua]

(73)

Holder

Gorlovskij Arendnyj Kontsern

METHOD FOR PRODUCTION OF POLYSTYRENE Russian patent published in 1997 - IPC

Abstract RU 2086564 C1

FIELD: production of foaming polystyrene and suspension polystyrene. SUBSTANCE: method is carried out by polymerization which takes place in aqueous suspension in the presence of radical initiator and stabilizing agent (0.1-0.25 wt. -% of partially saponified polyvinyl alcohol is used as said initiator and stabilizing agent). Sodium polyphosphate (its quantity being 0.05-0.15 % of mass of aqueous phase) is added into origin solution of stabilizing agent. EFFECT: improved efficiency. 2 tbl

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RU 2 086 564 C1

Authors

Silkin Stanislav Pavlovich[Ua]

Ostrovskaja Alina Ivanovna[Ua]

Jankovskij Nikolaj Andreevich[Ua]

Kravchenko Boris Vasil'Evich[Ua]

Pol'Okha Alina Mikhajlovna[Ua]

Aleshina Anna Borisovna[Ua]

Protsak Valentina Matveevna[Ua]

Gospodyn'Ko Jurij Borisovich[Ua]

Dates

1997-08-10—Published

1991-12-17—Filed

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