JPS6319531B

Disclosed is a polycondensate of (a) water soluble or dispersible polyester having a molecular weight of 600-5000 prepared by reacting a carboxylic acid and a diol or polyol wherein 5-40 moles percent of the acid or hydroxy compounds contain sulfo substituents and (b) a compound of the formula R-O-(...

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Hauptverfasser: KARURU HINTERUMAIERU, GERUHARUTO UETSUKURERU, FURIIDORITSUHI ENGERUHARUTO, HANSU YOAHIMU HAUSU
Format: Patent
Sprache:eng
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Zusammenfassung:Disclosed is a polycondensate of (a) water soluble or dispersible polyester having a molecular weight of 600-5000 prepared by reacting a carboxylic acid and a diol or polyol wherein 5-40 moles percent of the acid or hydroxy compounds contain sulfo substituents and (b) a compound of the formula R-O-(CH2CH2O)m-CH2CH2OH wherein m is a number from 5 to 50 and R is selected from the group consisting of alkyl of 6-22 carbon atoms, alkenyl of 6-22 carbon atoms, alkanoyl of 6-22 carbon atoms, aryl of 6-22 carbon atoms, aralkyl of 6-22 carbon atoms, castor oil radical and wherein R' is alkyl or alkenyl each having 6-22 carbon atoms. The polycondensate is useful as a modifier for aminoplast resins and as a leveller in dyeing.