Journal ArticleDOI
Studies on the formation of poly(ethylene terephthalate): 2. Rate of transesterification of dimethyl terephthalate with ethylene glycol
Kosuke Tomita,Hiroaki Ida +1 more
TLDR
In this article, the transesterification of DMT with EG was investigated in the presence of various catalysts at 197°C, and the reaction was followed by the measurement of the quantity of methanol which distilled from the reaction vessel.About:
This article is published in Polymer.The article was published on 1973-02-01. It has received 50 citations till now. The article focuses on the topics: Transesterification & Dimethyl terephthalate.read more
Citations
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Transesterification kinetics of soybean oil 1
TL;DR: In this article, the effects of the type of alcohol, 1-butanol or methanol (MeOH), molar ratio of alcohol to SBO, type and amount of catalyst, and reaction temperature on rate constants and kinetic order were examined.
Journal ArticleDOI
Review of conventional and novel polymerization processes for polyesters
TL;DR: Ring-opening polymerization has some advantages over the conventional polymerization method, such as it does not produce a small molecule byproduct, whose removal requires high temperature and high vacuum.
Journal ArticleDOI
Kinetics of transesterification of palm oil and dimethyl carbonate for biodiesel production at the catalysis of heterogeneous base catalyst.
TL;DR: The transesterification of palm oil with dimethyl carbonate for preparing biodiesel has been studied in solvent-free system at the catalysis of potassium hydroxide (KOH) as heterogeneous catalyst and a plausible reaction mechanism for the catalytic process with DMC as acyl acceptor was proposed.
Journal ArticleDOI
Polyethylene terephthalate - I. Chemistry, thermodynamics and transport properties.
K. Ravindranath,R. A. Mashelkar +1 more
TL;DR: In this article, a review of PET synthesis and its kinetics has been presented, including the network of main reactions and side reactions, as well as thermodynamic and transport data pertaining to PET formation.
Journal ArticleDOI
Alkali-Decomposition of Poly(ethylene terephthalate) in Mixed Media of Nonaqueous Alcohol and Ether. Study on Recycling of Poly(ethylene terephthalate)
TL;DR: Alkali-Decomposition of Poly(ethylene terephthalate) in Mixed Media of Nonaqueous Alcohol and Ether is described in this article, where it is shown that polyethylene can be reused for recycling.
References
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Journal ArticleDOI
Oxygen exchange as evidence for the existence of an intermediate in ester hydrolysis
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Ester interchange equilibria from dimethyl terephthalate and ethylene glycol
TL;DR: In this paper, the analytical results are evaluated in terms of equilibrium constants for the various reversible reactions pertaining to the present system and it is concluded that the “molecular” equilibrium constants KI and KII for the first and second step of the glycolysis are equal.
Journal ArticleDOI
Zur kinetik der polyesterbildung durch umesterung
W. Griehl,Günther Schnock +1 more
TL;DR: In this paper, eingehender Untersuchung der sogenanten Vorkondensation bei der Polyathylenterephthalatbildung bezuglich des Katalysatoreinflusses, der Reaktionskinetik usw, wird die als Umesterung verlaufende Polyesterbildings studiert.
Journal ArticleDOI
Über Gemischte Anhydride von Carbonsäuren und Sauerstoffsäuren der 5. Gruppe des Periodischen Systems
TL;DR: In this article, the Darstellung und Eigenschaften von Arsen(III)- and Antimon(III) acetat and -benzoat berichtet.
Related Papers (5)
Studies on the formation of poly(ethylene terephthalate): 3. Catalytic activity of metal compounds in transesterification of dimethyl terephthalate with ethylene glycol
Kosuke Tomita,Hiroaki Ida +1 more