Synthesis and Application of Hexaallylamino-cyclo-triphosphazene as Flame Retardant in Latex Coatings

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Authors

MACHOTOVA Jana ZARYBNICKA Lucie RUCKEROVA Adéla KOPECKÁ Radka RYCHLY Jozef IMRAMOVSKY Aleš

Year of publication 2017
Type Article in Periodical
Magazine / Source Polymer-Plastics Technology and Engineering
MU Faculty or unit

Faculty of Science

Citation
Web Full Text
Doi http://dx.doi.org/10.1080/03602559.2016.1233262
Keywords Cone calorimeter; core-shell latex; emulsion polymerization; flame retardant; phosphazene
Description The paper deals with a novel flame retardant and its application in waterborne coatings. The flame retardant was synthesized from hexachloro-cyclo-triphosphazene by nucleophilic substitution with allylamine. Functionalized emulsion copolymers bearing in the structure hexaallylamino-cyclo-triphosphazene were prepared by the semicontinuous emulsion polymerization. The latexes were used as the main component of transparent coating systems cured by melamine formaldehyde resin. The incorporation hexaallylamino-cyclo-triphosphazene did not affect transparency, flexibility, and toughness of resulting coatings and increased their flame stability in terms of the amount of smoke release and maximum average rate of heat emission indicating a slower flame spread during the material combustion.
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