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Synthesis and Application in Polypropylene of a Novel of Phosphorus-Containing Intumescent Flame Retardant
Shenzhen Key Laboratory of Special Functional Materials, College of Materials Science and Engineering, Shenzhen University, 518060 Shenzhen, China
College of Materials Science and Engineering, South China University of Technology, 510640, Guangzhou, China
* Author to whom correspondence should be addressed.
Received: 17 September 2010; Accepted: 13 October 2010 / Published: 28 October 2010
Abstract: A novel phosphorus-containing triazine oligomer poly(2-morpholinyl-4-penta-erythritol phosphate-1,3,5-triazine) (PMPT) was synthesized as a kind of tri-component intumescent flame retardant (IFR). The chemical structure of PMPT was characterized by FTIR, 1H-NMR and 31P-NMR, and the mechanical and flammability properties of FR-PP were measured. The FTIR results showed that the expected chemical reactions had happened at each step. The 1H-NMR and 31P-NMR spectra also agreed with the chemical structure of PMPT. The slight effect of PMPT on the mechanical properties of FR-PP suggested that PMPT and PP are compatible. The high limited oxygen index (LOI) values of FR-PP revealed that PMPT was an efficient IFR and there was the synergistic effect between PMPT and ammonium polyphosphate/ pentaerythritol (APP/PER).
Keywords: triazine oligomer PMPT; intumescent flame retardant; phosphate-containing
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Zuo, J.-D.; Liu, S.-M.; Sheng, Q. Synthesis and Application in Polypropylene of a Novel of Phosphorus-Containing Intumescent Flame Retardant. Molecules 2010, 15, 7593-7602.
Zuo J-D, Liu S-M, Sheng Q. Synthesis and Application in Polypropylene of a Novel of Phosphorus-Containing Intumescent Flame Retardant. Molecules. 2010; 15(11):7593-7602.
Zuo, Jian-Dong; Liu, Shu-Mei; Sheng, Qi. 2010. "Synthesis and Application in Polypropylene of a Novel of Phosphorus-Containing Intumescent Flame Retardant." Molecules 15, no. 11: 7593-7602.