Study on bentonite-unsaturated polyester composite materials

Basim Abu-Jdayil, Kamal Al-Malah, Ranya Sawalha

Research output: Contribution to journalArticlepeer-review

32 Citations (Scopus)


Jordanian Ca-bentonite was used in formulation of unsaturated polyester-based composite materials. For curing purpose, methyl ethyl ketone peroxide was used as an initiator and it was accelerated with cobalt octoate to maximize the curing process at room temperature. The effect of filler and styrene contents on the physical properties of composites was assessed by measuring the compressive strength, hardness, thermal conductivity, water absorption capacity, and apparent density. Increasing the filler content, at a constant styrene/polyester ratio, increased the properties of composites. On other hand, maximum values of compressive strength, hardness, and thermal conductivity of composites were found at about 22.7 wt% of styrene, whereas water absorption capacity was minimum at a styrene content of 32.8 wt%. Nevertheless, the apparent density was found to linearly decrease with styrene content.

Original languageEnglish
Pages (from-to)1597-1607
Number of pages11
JournalJournal of Reinforced Plastics and Composites
Issue number17
Publication statusPublished - 2002
Externally publishedYes

ASJC Scopus subject areas

  • Ceramics and Composites
  • Mechanics of Materials
  • Mechanical Engineering
  • Polymers and Plastics
  • Materials Chemistry


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