ES322305A1 - A procedure for the obtaining of poly (ethylene terhethalate). (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for the obtaining of poly (ethylene terhethalate). (Machine-translation by Google Translate, not legally binding)
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Glanzstoff AG
Vereinigte Glanzstoff Fabriken AG
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Glanzstoff AG
Vereinigte Glanzstoff Fabriken AG
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Application filed by Glanzstoff AG, Vereinigte Glanzstoff Fabriken AGfiledCriticalGlanzstoff AG
Publication of ES322305A1publicationCriticalpatent/ES322305A1/en
A process for the manufacture of poly (ethylene terephthalate) by transesterification of dimethyl terephthalate with ethylene glycol and subsequent polycondensation, in the presence of catalysts, characterized in that cobalt tungstate is used as a polycondensation catalyst in amounts of 0.0005 to 0, 1% by weight in relation to the dimethyl terephthalate used. (Machine-translation by Google Translate, not legally binding)
ES0322305A1965-02-111966-01-27A procedure for the obtaining of poly (ethylene terhethalate). (Machine-translation by Google Translate, not legally binding)
ExpiredES322305A1
(en)
A procedure for the continuous transesterification of dicarboxilic acid esters with alcohols. (Machine-translation by Google Translate, not legally binding)