ES391684A1 - Procedure for the preparation of a diester of bis - (beta-hydroxyethyl) tereftalate. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of a diester of bis - (beta-hydroxyethyl) tereftalate. (Machine-translation by Google Translate, not legally binding)
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Halcon International Inc
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Halcon International Inc
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Publication of ES391684A1publicationCriticalpatent/ES391684A1/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
Process for the preparation of a bis- (β -hydroxyethyl) terephthalate diester, or mixtures of said diester with the corresponding mono- (β -hydroxyethyl) terephthalate monoester, characterized in that it comprises reacting terephthalic acid with a lower diester of ethylene glycol, or a mixture of said lower diether with the corresponding monoester of ethylene glycol, in liquid phase, at a reaction temperature of the order of about 100 to 350ºC and, at reaction temperatures of less than about 220º c, in the presence of an acidic catalyst . (Machine-translation by Google Translate, not legally binding)
ES391684A1970-05-281971-05-28Procedure for the preparation of a diester of bis - (beta-hydroxyethyl) tereftalate. (Machine-translation by Google Translate, not legally binding)
ExpiredES391684A1
(en)
A procedure for the preparation of 2-hydroxialcohyl ester of an aromatic polycarboxolic acid. (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of acid steres 0.0-dialkyl-0- (2,2-dichlorovinil) -theprophosphoric. (Machine-translation by Google Translate, not legally binding)