Studies of the variation in the dielectric constant and unique behaviors with changes in the foaming ratio of the microcellular foaming process

Young Ho Kim, Sung Woon Cha, Jeonghun Ahn, Soo Hyun Cho

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

MCPs have many advantages, such as favorable mechanical, optical, acoustical, and electrical properties due to the size of the cells. Porous plastics also share the advantages of plastics processed by existing conventional foaming technologies. This study focuses on the electrical properties by examining the variation of the dielectric constant. Samples with different foaming ratios were created. Tests in this research proved that the dielectric constant was inversely proportional to the foaming ratio. In some cases, however, an inverse proportion was not observed. Therefore, this study investigated the characteristics and cell morphology of the MCPs to reveal the factors influencing.

Original languageEnglish
Pages (from-to)762-767
Number of pages6
JournalPolymer - Plastics Technology and Engineering
Volume50
Issue number8
DOIs
StatePublished - May 2011
Externally publishedYes

Keywords

  • Batch process
  • Dielectric constant
  • Foaming ratio
  • Microcellular foam

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