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2 034 830

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Application

92002533/04, 1992-10-27

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Actual filing date

1992-10-27

(45)

Published

1995-05-10

(72)

Inventor

Semenova A.I.Gefter E.L.Semernitskaja M.N.Nikonova S.N.Anisimova M.V.Shuvalova G.I.Shmakova O.Eh.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Institut Plasticheskikh Mass Im.G.S.Petrova S Opytnym Moskovskim Zavodom Plastmass"

BIS-ISOMETHINES AS MONOMERS FOR THERMALLY STABLE POLYMERS Russian patent published in 1995 - IPC

Abstract RU 2034830 C1

FIELD: preparation of thermally stable polymers. SUBSTANCE: the product: bis-azomethines of the formula: R-CH=N-C6H4-O-C6H4-C(CH3)2-C6H4-O-C6H4-N=CH-R wherein R is C6H5; O-CH-C6H4-; ; I: C41H34N2O2, m p 120 C; II: C41H34N2O4, m p 190; III: C49H38N2O4 m p 125-126; the yield is 88-89% is prepared by reacting 4,4'-diaminodiphenyl ester of diphenylolpropane with an aromatic aldehyde in an alcohol ar an aromatic hydrocarbon. EFFECT: improved properties of the bis-isomethines. 3 tbl

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RU 2 034 830 C1

Authors

Semenova A.I.

Gefter E.L.

Semernitskaja M.N.

Nikonova S.N.

Anisimova M.V.

Shuvalova G.I.

Shmakova O.Eh.

Dates

1995-05-10—Published

1992-10-27—Filed

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