A kinetic study on the supercritical decrosslinking reaction of silane-crosslinked polyethylene in a continuous process

Bum Ki Baek, Yun Ho La, Won Jun Na, Seung Hwan Lee, Soon Man Hong, Haksoo Han, Youn Woo Lee, Gi Joon Nam, Chong Min Koo

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

For the first time, a kinetic study on the supercritical decrosslinking reaction of silane-crosslinked polyethylene (S-XLPE) in a continuous process was conducted. The decrosslinking reaction in a continuous process was corresponding to the first-order reaction model in which the reaction rate was linearly proportional to the gel content. The residual gel content exponentially decreased with reaction time. Reaction constant was observed exponentially related to the reaction temperature. The continuous decrosslinking reaction revealed kinetic constants of 1.355 ± 0.103, 2.715 ± 0.177, and 4.348 ± 0.218 min-1 at 360, 380 and 390 °C, respectively and activation energy of 132.36 kJ mol-1.

Original languageEnglish
Pages (from-to)75-80
Number of pages6
JournalPolymer Degradation and Stability
Volume126
DOIs
Publication statusPublished - 2016 Apr 1

Fingerprint

Silanes
Polyethylene
silanes
Polyethylenes
polyethylenes
Gels
Kinetics
kinetics
Reaction rates
Rate constants
Activation energy
reaction kinetics
gels
reaction time
Temperature
activation energy
energy

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanics of Materials
  • Polymers and Plastics
  • Materials Chemistry

Cite this

Baek, Bum Ki ; La, Yun Ho ; Na, Won Jun ; Lee, Seung Hwan ; Hong, Soon Man ; Han, Haksoo ; Lee, Youn Woo ; Nam, Gi Joon ; Koo, Chong Min. / A kinetic study on the supercritical decrosslinking reaction of silane-crosslinked polyethylene in a continuous process. In: Polymer Degradation and Stability. 2016 ; Vol. 126. pp. 75-80.
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A kinetic study on the supercritical decrosslinking reaction of silane-crosslinked polyethylene in a continuous process. / Baek, Bum Ki; La, Yun Ho; Na, Won Jun; Lee, Seung Hwan; Hong, Soon Man; Han, Haksoo; Lee, Youn Woo; Nam, Gi Joon; Koo, Chong Min.

In: Polymer Degradation and Stability, Vol. 126, 01.04.2016, p. 75-80.

Research output: Contribution to journalArticle

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T1 - A kinetic study on the supercritical decrosslinking reaction of silane-crosslinked polyethylene in a continuous process

AU - Baek, Bum Ki

AU - La, Yun Ho

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AU - Lee, Seung Hwan

AU - Hong, Soon Man

AU - Han, Haksoo

AU - Lee, Youn Woo

AU - Nam, Gi Joon

AU - Koo, Chong Min

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AB - For the first time, a kinetic study on the supercritical decrosslinking reaction of silane-crosslinked polyethylene (S-XLPE) in a continuous process was conducted. The decrosslinking reaction in a continuous process was corresponding to the first-order reaction model in which the reaction rate was linearly proportional to the gel content. The residual gel content exponentially decreased with reaction time. Reaction constant was observed exponentially related to the reaction temperature. The continuous decrosslinking reaction revealed kinetic constants of 1.355 ± 0.103, 2.715 ± 0.177, and 4.348 ± 0.218 min-1 at 360, 380 and 390 °C, respectively and activation energy of 132.36 kJ mol-1.

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