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2 305 115

(13)

(51)

IPC

C08G69/32(2006-01-01)

C08G69/00(2006-01-01)

(21) (22)

Application

2006110285/04, 2006-03-30

(24)

Start date

2006-03-30

(22)

Actual filing date

2006-03-30

(45)

Published

2007-08-27

(72)

Inventor

Mognonov Dmitrij MarkovichBurdukovskij Vitalij FedorovichBotoeva Svetlana ObogoevnaMazurevskaja Zhanna Pavlovna

(73)

Holder

Bajkal'Skij Institut Prirodopol'Zovanija Sibirskogo Otdelenija Rossijskoj Akademii Nauk So Ran)

N-PHENYL-SUBSTITUTED AROMATIC POLYAMIDE PRODUCTION PROCESS Russian patent published in 2007 - IPC C08G69/32 C08G69/00

Abstract RU 2305115 C1

FIELD: industrial organic synthesis.

SUBSTANCE: process involves preliminarily obtaining polyimidates through polycondensation of bis-phenols with imidoyl chlorides based on mono- and dicarboxylic acids followed by Chapman rearrangement into phenyl-substituted aromatic polyamides, which rearrangement is carried out in diphenyl ether solution at 240°C for 3-4 h.

EFFECT: increased molecular mass of polymers and improved physicochemical characteristics thereof.

4 tbl, 12 ex

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RU 2 305 115 C1

Authors

Mognonov Dmitrij Markovich

Burdukovskij Vitalij Fedorovich

Botoeva Svetlana Obogoevna

Mazurevskaja Zhanna Pavlovna

Dates

2007-08-27—Published

2006-03-30—Filed