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IPC

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Application

2003118651/04, 2003-06-24

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Start date

2003-06-24

(22)

Actual filing date

2003-06-24

(45)

Published

2005-08-20

(72)

Inventor

Kapustin P.P.Fedotov Ju.I.Makridin V.P.Tokar' A.E.Kuznetsov V.V.Vol'Skij V.I.Suchkov Ju.P.

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju

MOLDED IONITE CATALYST AND A METHOD FOR PREPARATION THEREOF Russian patent published in 2005 - IPC

Abstract RU 2258562 C2

FIELD: organic synthesis catalysts.

SUBSTANCE: invention relates to methods of preparing catalysts based on sulfurized styrene/divinylbenzene copolymer and thermoplastic polymer material, which are used in processes for preparing alkyl tert-alkyl ethers, hydration of olefins, dehydration of alcohols, preparation of esters, and the like. Invention provides molded ionite catalyst consisted of sulfurized styrene/divinylbenzene copolymer in the form of mixture of powdered copolymers with macroporous and gel structure and, as thermoplastic material, propylene polymers and propylene/ethylene copolymers. Preparation of catalyst is accomplished by extrusion at temperature of heating extruder cylinder 140-200°C and temperature of forming head equal to temperature of the last heated zone of heating cylinder.

EFFECT: increased catalytic activity.

10 cl, 3 tbl, 15 ex

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RU 2 258 562 C2

Authors

Kapustin P.P.

Fedotov Ju.I.

Makridin V.P.

Tokar' A.E.

Kuznetsov V.V.

Vol'Skij V.I.

Suchkov Ju.P.

Dates

2005-08-20—Published

2003-06-24—Filed