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Toughness and morphology of radiation-crosslinked natural rubber modified polystyrene

  • Mahidol University

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

γ-Radiation vulcanized natural rubber (RVNR)/phase transfer/suspension polymerization technique was used to prepare high-impact polystyrene (HIPS) in bead form. The high notched Izod impact resistance of HIPS based on RVNR was observed and compared with that of unmodified PS. The impact resistance of HIPS based on RVNR was further enhanced by addition of 10% of polystyrene-block-polyisoprene-block-polystyrene copolymer. A mesh structure of all crosslinked rubber particles containing polystyrene and long crazes in HIPS were observed under electron microscopy.

Original languageEnglish
Pages (from-to)1198-1202
Number of pages5
JournalPolymer International
Volume52
Issue number7
DOIs
Publication statusPublished - Jul 2003
Externally publishedYes

Keywords

  • High-impact polystyrene
  • Morphology
  • Natural rubber latex

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