Effect of porous zeolite on temperature-dependent physical properties of polypropylene/octadecane (PP/OD) composite films

D. Kim, S. Thanakkasaranee, Jongchul Seo, S. B. Khan

Research output: Contribution to journalArticle

Abstract

Polymeric materials with temperature-dependent gas permeabilities using a phase change material are designed and their applicability as a packaging system investigated. Polypropylene/octadecane/zeolite (PP/OD/ZL) composite films were prepared via extrusion process. ZL was used as a filler to enhance the dispersion and interfacial interaction between the OD and the PP originating from different flowabilities during the extrusion process. (FTIR) and (WAXD) analyses showed that the incorporation of ZL increased the interfacial interaction between PP and OD, resultantly enhancing the thermal stability, mechanical properties, and the oxygen transmittance rate and mechanical properties after contact with food simulants and thermal treatment. When the temperature was elevated from 10 to 30°C, oxygen and water vapor transmittance rate of the composite films increased sharply because of the influence of the OD content. It was surmised that temperature-dependent permeation jump caused by increasing of segmental mobility of OD phase and converting the crystalline structure to an amorphous one of OD phase in the composite films. However, the permeation jump in the composite films was weakened as the ZL content increased. These results are related to changes in the interfacial interaction and crystallinity in the composite films due to the addition of ZL.

Original languageEnglish
Pages (from-to)658-674
Number of pages17
JournalExpress Polymer Letters
Volume12
Issue number7
DOIs
Publication statusPublished - 2018 Jul 1

Fingerprint

Zeolites
Polypropylenes
Composite films
polypropylene
Physical properties
physical properties
composite materials
Permeation
Extrusion
transmittance
Temperature
temperature
mechanical properties
vapors
Oxygen
Mechanical properties
phase change materials
Gas permeability
Phase change materials
Steam

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Physical and Theoretical Chemistry
  • Polymers and Plastics
  • Organic Chemistry
  • Materials Chemistry

Cite this

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Effect of porous zeolite on temperature-dependent physical properties of polypropylene/octadecane (PP/OD) composite films. / Kim, D.; Thanakkasaranee, S.; Seo, Jongchul; Khan, S. B.

In: Express Polymer Letters, Vol. 12, No. 7, 01.07.2018, p. 658-674.

Research output: Contribution to journalArticle

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