Characterization of polymer materials using magnetic levitation

Jun Xie, Peng Zhao*, Jianfeng Zhang, Hongwei Zhou, Jianzhong Fu, Lih Sheng Turng

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

5 Scopus citations

Abstract

The quality of the polymer raw material used in plastic processing methods is an important characteristic because it is one of the main factors in producing quality products. Therefore, the characterization of polymeric pellets in the polymer processing industry is very important to avoid using inferior materials. In general, differences in the interiors of polymeric pellets reflect differences in their densities. In this study, a high-sensitivity magnetic levitation method was used to characterize the polymeric pellets in four different occasions. The device used has a high sensitivity that can distinguish minute differences as small as of 0.0041 g/cm3 in density between different samples. In addition, the method can obtain a sample's density without knowing the weight and volume of the sample. This method can be used to characterize materials by testing only a single pellet, which is very useful for polymeric pellet characterization.

Original languageEnglish
Pages (from-to)1182-1189
Number of pages8
JournalJournal of Materials Research
Volume35
Issue number9
DOIs
StatePublished - 14 05 2020
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2020 Materials Research Society.

Keywords

  • devices
  • magnetic
  • polymer

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