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2 327 680

(13)

(51)

IPC

C07C43/02(2006-01-01)

C07C43/29(2006-01-01)

C07C43/275(2006-01-01)

C07C43/285(2006-01-01)

C08G65/40(2006-01-01)

(21) (22)

Application

2006142938/04, 2006-12-04

(24)

Start date

2006-12-04

(22)

Actual filing date

2006-12-04

(45)

Published

2008-06-27

(72)

Inventor

Kharaev Arsen MukhamedovichBazheva Rima ChamalovnaIstepanova Oksana LionovnaIstepanov Marat IsmelovichKharaeva Ruzana Alekseevna

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Kabardino-Balkarskij Gosudarstvennyj Universitet Im. Kh.M. Berbekova

AROMATIC ETHER-KETONE OLIGOMERS FOR POLYCONDENSATION Russian patent published in 2008 - IPC C07C43/02 C07C43/29 C07C43/275 C07C43/285 C08G65/40

Abstract RU 2327680 C1

FIELD: chemistry; high molecular compounds.

SUBSTANCE: aromatic ether-ketone oligomers are used as oligomers for obtaining polycondensing polymers and mean of production of them. where n=1-20 oligomers are obtained from the reaction 4,4'-dichlorodiphenylketone with 1,1-dichloro-2,2-di(3,5-dibromo-n-oxyphenyl)ethylene in an aromatic dipolar solvent (dimethylsulfoxide) at 140°C in an atmosphere of an inert gas.

EFFECT: obtaining of copolyester-ketones with high values of reduced viscosity and molecular mass, higher thermal stability, and refractoriness.

1 cl, 4 ex

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RU 2 327 680 C1

Authors

Kharaev Arsen Mukhamedovich

Bazheva Rima Chamalovna

Istepanova Oksana Lionovna

Istepanov Marat Ismelovich

Kharaeva Ruzana Alekseevna

Dates

2008-06-27—Published

2006-12-04—Filed