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Application

2003125497/04, 2003-08-18

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Start date

2003-08-18

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Actual filing date

2003-08-18

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Published

2005-06-27

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Inventor

Busygin V.M.Shijapov R.T.Ishterjakov A.D.Shepelin V.A.Safin D.Kh.Filimonov V.A.Vorob'Ev E.A.

(73)

Holder

Otkrytoe Aktsionernoe ObshchestvoOtkrytoe Aktsionernoe Obshchestvo Nauchno-Issledovatel'Skij Institut

CONTINUOUS METHOD FOR HALOGENATION OF ELASTOMERS Russian patent published in 2005 - IPC

Abstract RU 2255092 C2

FIELD: polymer production.

SUBSTANCE: invention relates to continuous method for halogenation of unsaturated elastomer dissolved in organic solvent. Continuous process involves (i) halogenation of elastomer via feeding halogenating agent into continuous elastomer solution stream and mixing elastomer solution with halogenating agent under turbulent motion conditions and (ii) at least one water washing and treatment with neutralizing solution. These operations are accomplished in one step with the aid of pumps. Water is also fed under turbulence conditions.

EFFECT: improved homogeneity and quality of product.

3 cl, 1 tbl, 14 ex

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RU 2 255 092 C2

Authors

Busygin V.M.

Shijapov R.T.

Ishterjakov A.D.

Shepelin V.A.

Safin D.Kh.

Filimonov V.A.

Vorob'Ev E.A.

Dates

2005-06-27—Published

2003-08-18—Filed

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