METHOD OF PRODUCING ETHYLENE GLYCOL DIMETHACRYLATE Russian patent published in 2013 - IPC C07C67/03 C07C69/54 B01J31/26 

Abstract RU 2476420 C2

FIELD: chemistry.

SUBSTANCE: invention relates to a method for producing ethylene glycol dimethacrylate, involving transesterification of an ester of methacrylic acid with ethylene glycol, where methacylate is formed by an alcohol containing 1-4 carbon atoms, at temperature ranging from 90°C to 130°C in the presence of lithium chloride in a combination with another chemically active compound as a catalyst and a polymerisation inhibitor and separating alcohol released from the ester of methacrylic acid used, the other chemically active compound used being lithium amide (LiNH2).

EFFECT: method according to the invention enables to obtain ethylene glycol dimethacrylate at a very low cost and having very high purity.

22 cl, 7 ex

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RU 2 476 420 C2

Authors

Knebel' Joakhim

Shjutts Torben

Prottsmann Guido

Trautvajn Kharal'D

Lauster Gjunter

Ker Tomas

Kel'Bl' Gerkhard

Vestkhojzer Gjunter

Dates

2013-02-27Published

2008-05-08Filed