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2 117 013

(13)

C1

(51)

IPC

(21) (22)

Application

93034395/04, 1993-07-01

(22)

Actual filing date

1993-07-01

(45)

Published

1998-08-10

(72)

Inventor

Popov B.I.Rutman G.I.Pantukh B.I.

(73)

Holder

Sterlitamakskij Neftekhimicheskij Zavod

METHOD OF PREPARING FILM-FORMING PETROLEUM POLYMERIC RESIN Russian patent published in 1998 - IPC

Abstract RU 2117013 C1

FIELD: manufacture of synthetic varnishes and enamels. SUBSTANCE: film-forming petroleum polymeric resin is prepared by copolymerization of unsaturated hydrocarbons containing C8-C9 fractions, C5 petroleum product pyrolysis fraction on the presence of catalyst system comprising TiCl4,, promoting additive and 2nd stage hydrocarbon solvent. Calculated amount of TiCl4 is fed to 1st stage, and monomer containing fractions and promoting additive (which includes mixture of lower carbonyl compound with water are fed in portions to both stages. TiCl4 to promoting additive weight ratio is maintained at 18-26: 1 at stage and 17-24:2 at 2nd stage, C5 fraction containing piperylene and tertamylenes being used in amount of 1.0-7.5% by weight of monomers at 1 st stage. Catalyst is deactivated with propylene oxide, and light carbohydrates are distilled. EFFECT: lower manufacturing cost and improved properties of coating. 1 dwg, 18 ex, 2 tbl

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RU 2 117 013 C1

Authors

Popov B.I.

Rutman G.I.

Pantukh B.I.

Dates

1998-08-10—Published

1993-07-01—Filed

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