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Initiierungseffektivität von linearen und zyklischen Dialkylperoxiden in der Ethen-Hochdruckpolymerisation

Initiation Efficiency of linear and cyclic dialkylperoxides in high-pressure ethene polymerization

by Philipp Becker
Doctoral thesis
Date of Examination:2001-01-31
Date of issue:2001-06-29
Advisor:Prof. Dr. Michael Buback
Referee:Prof. Dr. Dr. h.c. Herbert W. Roesky
Referee:Prof. Dr. Karlheinz Hoyermann
crossref-logoPersistent Address: http://dx.doi.org/10.53846/goediss-2094

 

 

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Abstract

English

Transfer constants in ethene homo-polymerization for two aldehydes and one ketone were determined using the mayo-method and the chain-length-distribution method. Various peroxides were used as initiators in ethene homopolymerizaion. Two methods were developed to calculate initiator efficiencies from peroxide-induced conversion.
Keywords: ethene; peroxide; dialkylperoxide; decomposition; kinetic; transfer constant; initiator efficiency; polymerization kintetic; CSTR

Other Languages

Es wurden die Transfer Konstanten von zwei Aldehyden und einem Keton in der Ethen-Homopolymerisation mittels der Mayo-Methode und der Chain-Length- Distribution-Methode bestimmt. Verschiedene Peroxide wurden in der radikalischen Ethen-Homopolymerisation als Initiatoren eingesetzt und es wurden zwei Methoden entwickelt, um Initiatoreffektivitaeten aus dem peroxid-induzierten Umsatz zu berechnen.
 

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