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2 072 365

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IPC

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Application

93052666/04, 1993-11-22

(22)

Actual filing date

1993-11-22

(45)

Published

1997-01-27

(72)

Inventor

Moiseev V.V.Guljaeva N.A.Poluehktov I.T.Tolstykh E.V.Lykova N.R.

(73)

Holder

Voronezhskij Filial Gosudarstvennogo Predprijatija Institut Sinteticheskogo Kauchuka Im.Akad.S.V.Lebedeva"

METHOD FOR PRODUCTION OF PHENOL AMINE RESINS Russian patent published in 1997 - IPC

Abstract RU 2072365 C1

FIELD: production of synthetic rubber. SUBSTANCE: desired phenol amine resins are prepared by condensation of technical 4-cumyl phenol (which contains acetophenone) with hexamethylene tetramine or formaldehyde or acetaldehyde. The process is carried out in the presence of aminoalocohol having common formula NHn(CH2-CH(R)-OH)m or N(CH2CH(R)OH)3 where R represents H, CH3, n= 1 or 2, m=1 or 2. Mass ratio of 4-cumyl phenol, aldehyde component and aminoalocohol is 100:(7-50):(5-300) respectively. Thus obtained resins have predetermined viscosity and have no acetophenone content. EFFECT: improves efficiency of the method. 2 tbl

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RU 2 072 365 C1

Authors

Moiseev V.V.

Guljaeva N.A.

Poluehktov I.T.

Tolstykh E.V.

Lykova N.R.

Dates

1997-01-27—Published

1993-11-22—Filed

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