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Toray Industries Inc
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Toray Industries Inc
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Application filed by Toray Industries IncfiledCriticalToray Industries Inc
Priority to JP13152775ApriorityCriticalpatent/JPS5828266B2/en
Publication of JPS5257137ApublicationCriticalpatent/JPS5257137A/en
Publication of JPS5828266B2publicationCriticalpatent/JPS5828266B2/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
PURPOSE: Bis-β-hydroxyterephthalate and its oligomers are prepared with batchwise process by the direct esterification of terephtharic acid with ethyleneglycol with feeding the slurry of the raw materials to the reaction system containing the products.