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Preparation and Flame Retardancy of Unsaturated Polyester Resin Containing P-Toluenesulfonate-Pillared Layered Double Hydroxide

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Abstract:

The p-toluene sulfonate- pillared layered double hydroxide(PTS-LDH) was synthesized by co-precipitation method, unsaturated polyester resin/ PTS-LDH composites were prepared by solution blending and solidifying. The X-ray diffraction was used to characterize the structure of the composites. The thermal stability and fire properties of composites have been studied by thermo- gravimetric analysis, limit oxygen index and UL94 burning test. The results show that the interlayer space of original LDH was 0.775nm, which was increased to 1.73nm for PTS-LDH and 2.077 nm for unsaturated polyester resin/ PTS-LDH composite. The addition of PTS-LDH improved the flame retardancy of unsaturated polyester resin. Limit oxygen index of unsaturated polyester resin/ PTS-LDH composite was increased to 23.30 % from 21% of the pure resin, the char residue rate increased by 3.7% and the speed of horizontal burning was decreased by 20.24%. The vertical burning test (UL-94) results indicated that the materials achieved V-2 grade.

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Periodical:

Advanced Materials Research (Volumes 399-401)

Pages:

1372-1375

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.399-401.1372

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Online since:

November 2011

Authors:

Xiang Li Xie, Lin Jiang Wang, Guo Wei Zhang

Keywords:

Flame Retardance, Solution Blending Composite, Toluene Sulfonate-Pillared Layered Double Hydroxides, Unsaturated Polyester Resin

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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