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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 JP13152275ApriorityCriticalpatent/JPS5828265B2/en
Publication of JPS5257136ApublicationCriticalpatent/JPS5257136A/en
Publication of JPS5828265B2publicationCriticalpatent/JPS5828265B2/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Abstract
PURPOSE: Bis-β-hydroxyethylterephthalate and/or its oligomers are prepared by feeding the raw material slurry continuously to a specific amount of the direct esterification products of therephthalic acid with ethyleneglycol.