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2 107 699

(13)

(51)

IPC

(21) (22)

Application

93056052/04, 1993-12-17

(22)

Actual filing date

1993-12-17

(45)

Published

1998-03-27

(72)

Inventor

Chilipenko N.G.Smirnov Ju.A.Motora V.V.Jarkov P.I.Gerdt A.Eh.Samborskij V.I.Savchenko A.M.

(73)

Holder

Aktsionernoe Obshchestvo

CATALYST FOR COPOLYMERIZATION OF TRIOXANE WITH DIOXOLANE Russian patent published in 1998 - IPC

Abstract RU 2107699 C1

FIELD: production of copolymers of trioxane with dioxolane. SUBSTANCE: catalyst comprises catalytic system containing complex of boron trifluoride with oxygen-containing compound, solvents and oligomethyl siloxane. Dioxolane and benzene at their mass ratio 1:1-2.5:1, respectively, are used as said solvents. Quantity of boron trifluoride is 1.0-5.0 mass %, quantity of oligomethyl siloxane being 0.5-10 % of mass of catalytic system. EFFECT: improved quality of desired product. 1 tbl

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RU 2 107 699 C1

Authors

Chilipenko N.G.

Smirnov Ju.A.

Motora V.V.

Jarkov P.I.

Gerdt A.Eh.

Samborskij V.I.

Savchenko A.M.

Dates

1998-03-27—Published

1993-12-17—Filed