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2 318 804

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(51)

IPC

C07C317/22(2006-01-01)

C07C41/30(2006-01-01)

C08G75/23(2006-01-01)

(21) (22)

Application

2006126860/04, 2006-07-24

(24)

Start date

2006-07-24

(22)

Actual filing date

2006-07-24

(45)

Published

2008-03-10

(72)

Inventor

Kharaev Arsen MukhamedovichBazheva Rima ChamalovnaBarokova Elena BetalovnaBegieva Madina Biljalovna

(73)

Holder

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

UNSATURATED OLIGOETHER SULFONES FOR POLYCONDENSATION Russian patent published in 2008 - IPC C07C317/22 C07C41/30 C08G75/23

Abstract RU 2318804 C1

FIELD: organic chemistry, chemical technology, chemistry of high-molecular compounds.

SUBSTANCE: invention relates to aromatic oligoether sulfones that can be used as oligomers for synthesis of polycondensation polymers. Invention describes unsaturated oligoether sulfones for the polycondensation reaction of the general formula: wherein n = 1-20 as oligomers for synthesis of soluble block-copolyether sulfones. Using proposed oligoether sulfones block-copolyether sulfones are synthesized showing high values of reduced viscosity and molecular mass, enhanced thermal stability, heat resistance and refractoriness. Block-copolyether sulfones synthesized on basis of proposed oligoether sulfones show good solubility and can be easily processed by the pouring method from solution.

EFFECT: improved method of synthesis, improved and valuable properties of compounds.

4 ex

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RU 2 318 804 C1

Authors

Kharaev Arsen Mukhamedovich

Bazheva Rima Chamalovna

Barokova Elena Betalovna

Begieva Madina Biljalovna

Dates

2008-03-10—Published

2006-07-24—Filed