Tris(1-methyl-1-siza-2,6,7-trioxyheterobicyclo-[2,2,2] octanyl-4-methoxy)triazine,which was a novel silicon-nitrogen synergistic flame retardant,was synthesized from cyanuric chlorid and methyl silicate pentaerythritol.The effects of reaction time,mole ratio of substance and temperature on the product yield were discussed.The optimal conditions for preparation were selected as follows:tetrachloroethane as solvent,n(methyl silicate pentaerythritol)∶n(cyanuric chlorid)=3.1,reaction time was 9h at 140℃.And the molecular structures of the product and its related performance measurement were determined by means of FT-IR,1H-NMR spectrum,TG-DTA analysis and LOI technique.The results showed that,tris(1-methyl-1-siza-2,6,7-trioxyheterobicyclo-[2,2,2]octanyl-4-methoxy) triazine had good thermal stability,good compatibility with polymer materials,and good flame retardant performance,and also had good synergistic flame retardancy after blending with MPP.
Wang Hongxia, He Wendi, Cao Dongdong, Wang Yanlin
. Synthesis and application of the novel Si-N synergistic flame retardant[J]. New Chemical Materials, 2020
, 48(11)
: 272
-275
.
DOI: 10.19817/j.cnki.issn 1006-3536.2020.11.061
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