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2 251 556

(13)

(51)

IPC

(21) (22)

Application

2003132727/04, 2003-11-10

(24)

Start date

2003-11-10

(22)

Actual filing date

2003-11-10

(45)

Published

2005-05-10

(72)

Inventor

Nikolaev P.V.Nikolaeva E.P.Kozlov N.A.

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Khimiko-Tekhnologicheskij Universitet"

METHOD FOR PRODUCTION OF CURING AGENT Russian patent published in 2005 - IPC

Abstract RU 2251556 C1

FIELD: chemical technology, particular paint-vehicle industry, epoxy composite materials.

SUBSTANCE: claimed curing agents for epoxy oligomers and compositions based thereon are obtained by reaction between 19.2-77.0 mass % of triethanolamine and 18.3-80.6 mass % of vegetable oil ester of alkylcarboxylic acid (in particular castor oil), in presence of 0.2-4.7 mass % nitrogen containing dyes, at 130-220°C for 2-6 h. Curing agent of present invention is particularly useful in production of insulating epoxy polymeric materials.

EFFECT: process with improved technological and efficiency characteristics, curing agent with increased up time, and obtained articles with improved frost resistance.

1 tbl, 4 ex

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RU 2 251 556 C1

Authors

Nikolaev P.V.

Nikolaeva E.P.

Kozlov N.A.

Dates

2005-05-10—Published

2003-11-10—Filed