Effects of Expandable Graphite and Phosphates on the Fire Retardance of Unsaturated Polyester

doi:10.19491/j.issn.1001-9278.2008.09.008

China Plastics ›› 2008, Vol. 22 ›› Issue (09): 38-42.DOI: 10.19491/j.issn.1001-9278.2008.09.008

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Effects of Expandable Graphite and Phosphates on the Fire Retardance of Unsaturated Polyester

YOU Chang-jiang;XIE Qing;FENG Jian-zhong;ZENG Yi-zheng;JIA De-min

College of Materials Science and Engineering，South China University of Technology

Received:1900-01-01 Revised:1900-01-01 Online:2008-09-26 Published:2008-09-26

Abstract

Abstract: The effects of the combination of expandable graphite (EG) and phosphates on the structure and fire retardancy of unsaturated polyester (UPR) were investigated through limiting oxygen index, cone calorimetry test, thermogravimetric analysis, infra-red spectroscopy, and scanning electron microscope (SEM). It showed that the limiting oxygen index was increased markedly, heat release rate and mass loss rate of UPR were decreased significantly by adding both EG and phosphate. The fracture surface of impact samples showed a ductile feature.

Key words: Unsaturated polyester, expandable graphite, phosphate, structure, fire retardance

YOU Chang-jiang, XIE Qing, FENG Jian-zhong, ZENG Yi-zheng, JIA De-min. Effects of Expandable Graphite and Phosphates on the Fire Retardance of Unsaturated Polyester [J]. China Plastics, 2008, 22(09): 38-42.

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Effects of Expandable Graphite and Phosphates on the Fire Retardance of Unsaturated Polyester

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