CH427282A - Herstellung von spinnfähigem Polyäthylenglycolterephthalat in Gegenwart von Thallium-Verbindungen als Umesterungs- und Polykondensations-Katalysatoren
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Herstellung von spinnfähigem Polyäthylenglycolterephthalat in Gegenwart von Thallium-Verbindungen als Umesterungs- und Polykondensations-Katalysatoren
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Publication number
CH427282A
CH427282ACH951562ACH951562ACH427282ACH 427282 ACH427282 ACH 427282ACH 951562 ACH951562 ACH 951562ACH 951562 ACH951562 ACH 951562ACH 427282 ACH427282 ACH 427282A
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Priority claimed from DEZ8944Aexternal-prioritypatent/DE1180127B/de
Application filed by Zimmer VerfahrenstechnikfiledCriticalZimmer Verfahrenstechnik
Publication of CH427282ApublicationCriticalpatent/CH427282A/de
C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
C08G63/78—Preparation processes
C08G63/82—Preparation processes characterised by the catalyst used
C08G63/84—Boron, aluminium, gallium, indium, thallium, rare-earth metals, or compounds thereof
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Chemical & Material Sciences
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Health & Medical Sciences
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Chemical Kinetics & Catalysis
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Medicinal Chemistry
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Polymers & Plastics
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Organic Chemistry
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CH951562A1961-08-311962-08-09Herstellung von spinnfähigem Polyäthylenglycolterephthalat in Gegenwart von Thallium-Verbindungen als Umesterungs- und Polykondensations-Katalysatoren
CH427282A
(de)