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2 350 626

(13)

(51)

IPC

C08F8/06(2006-01-01)

C08C19/04(2006-01-01)

C08G67/02(2006-01-01)

(21) (22)

Application

2007131909/04, 2007-08-22

(24)

Start date

2007-08-22

(22)

Actual filing date

2007-08-22

(45)

Published

2009-03-27

(72)

Inventor

Panov Gennadij IvanovichDubkov Konstantin AleksandrovichSemikolenov Sergej VladimirovichIvanov Dmitrij Petrovich

(73)

Holder

Institut Kataliza Im. G.K. Boreskova Sibirskogo Otdelenija Rossijskoj Akademii Nauk

METHOD FOR MAKING UNSATURATED POLYKETONES Russian patent published in 2009 - IPC C08F8/06 C08C19/04 C08G67/02

Abstract RU 2350626 C1

FIELD: chemistry.

SUBSTANCE: invention refers to method for making unsaturated polyketones of individually variable molecular weight and carbonyl group content. Disclosed method for making unsaturated polyketones is ensured by isoprene copolymers oxygenation with nitrous oxide (N₂O) with diene and/or vinyl monomers at 150-300°C and nitrous oxide pressure 10 to 100 atm. Besides, oxygenation can be enabled with mixed N₂O and solvent gases, such as inert gases, alkans C₁-C₄ or their mixtures. Offered method results in controlled macromolecule C=C bond breakage rupture in initial polymer.

EFFECT: making unsaturated polyketones of specified molecular weight and carbonyl group content.

9 cl, 18 ex

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RU 2 350 626 C1

Authors

Panov Gennadij Ivanovich

Dubkov Konstantin Aleksandrovich

Semikolenov Sergej Vladimirovich

Ivanov Dmitrij Petrovich

Dates

2009-03-27—Published

2007-08-22—Filed