Calculation of kinetic parameters and sequence distribution from pyrolysis gas chromatographic data of styrene-methyl acrylate copolymers

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Abstract

Styrene-methyl acrylate copolymers have been investigated by pyrolysis gas chromatography. The pyrolysis product distribution, ranging from methyl acrylate monomer to styrene trimer, was measured and introduced into a mathematical model described previously. Applying this model, the sequence distribution and the rate constants of the degradation reactions were obtained. The results show that the sequential arrangement is important in the thermal decomposition of styrene-methyl acrylate copolymers. In most cases the rate constant of a product release reaction depends considerably on the nature and sequence of the monomer units in the product molecule, as well as on the nature of the monomer unit remaining on the macroradical end, from which the molecule was released.

Original languageEnglish
Pages (from-to)625-630
Number of pages6
JournalEuropean Polymer Journal
Volume14
Issue number9
DOIs
Publication statusPublished - 1978

Fingerprint

Styrene
acrylates
Kinetic parameters
styrenes
pyrolysis
copolymers
Pyrolysis
Copolymers
monomers
Monomers
Gases
Rate constants
kinetics
products
gases
Molecules
gas chromatography
trimers
Gas chromatography
thermal decomposition

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics

Cite this

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title = "Calculation of kinetic parameters and sequence distribution from pyrolysis gas chromatographic data of styrene-methyl acrylate copolymers",
abstract = "Styrene-methyl acrylate copolymers have been investigated by pyrolysis gas chromatography. The pyrolysis product distribution, ranging from methyl acrylate monomer to styrene trimer, was measured and introduced into a mathematical model described previously. Applying this model, the sequence distribution and the rate constants of the degradation reactions were obtained. The results show that the sequential arrangement is important in the thermal decomposition of styrene-methyl acrylate copolymers. In most cases the rate constant of a product release reaction depends considerably on the nature and sequence of the monomer units in the product molecule, as well as on the nature of the monomer unit remaining on the macroradical end, from which the molecule was released.",
author = "M. Blazso and G. V{\'a}rhegyi",
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T1 - Calculation of kinetic parameters and sequence distribution from pyrolysis gas chromatographic data of styrene-methyl acrylate copolymers

AU - Blazso, M.

AU - Várhegyi, G.

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N2 - Styrene-methyl acrylate copolymers have been investigated by pyrolysis gas chromatography. The pyrolysis product distribution, ranging from methyl acrylate monomer to styrene trimer, was measured and introduced into a mathematical model described previously. Applying this model, the sequence distribution and the rate constants of the degradation reactions were obtained. The results show that the sequential arrangement is important in the thermal decomposition of styrene-methyl acrylate copolymers. In most cases the rate constant of a product release reaction depends considerably on the nature and sequence of the monomer units in the product molecule, as well as on the nature of the monomer unit remaining on the macroradical end, from which the molecule was released.

AB - Styrene-methyl acrylate copolymers have been investigated by pyrolysis gas chromatography. The pyrolysis product distribution, ranging from methyl acrylate monomer to styrene trimer, was measured and introduced into a mathematical model described previously. Applying this model, the sequence distribution and the rate constants of the degradation reactions were obtained. The results show that the sequential arrangement is important in the thermal decomposition of styrene-methyl acrylate copolymers. In most cases the rate constant of a product release reaction depends considerably on the nature and sequence of the monomer units in the product molecule, as well as on the nature of the monomer unit remaining on the macroradical end, from which the molecule was released.

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