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2 245 345

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IPC

(21) (22)

Application

2003112891/04, 2003-04-30

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Start date

2003-04-30

(22)

Actual filing date

2003-04-30

(45)

Published

2005-01-27

(72)

Inventor

Mognonov D.M.Burdukovskij V.F.Botoeva S.O.Mazurevskaja Zh.P.Kushnarev D.F.Rokhin A.V.

(73)

Holder

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

AROMATIC POLYAMIDE PRODUCTION PROCESS Russian patent published in 2005 - IPC

Abstract RU 2245345 C1

FIELD: polymer production.

SUBSTANCE: invention relates to polyamides that can be used in a variety of arias as high-strength and high-temperature-resistant coatings, plastic binders, glass plastics, and films. Two-stage production process comprises preparation of polyimidates via non-equilibrium polycondensation of bis-phenols with N-phenylimine chloride based on mono- and dicarboxylic acids, after which resulting polyimidates are subjected to Chapman rearrangement at 240-260^оС for 5-6 h.

EFFECT: enabled production of polymers showing good solubility and elevated treatment resistance.

2 tbl, 12 ex

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RU 2 245 345 C1

Authors

Mognonov D.M.

Burdukovskij V.F.

Botoeva S.O.

Mazurevskaja Zh.P.

Kushnarev D.F.

Rokhin A.V.

Dates

2005-01-27—Published

2003-04-30—Filed