MACHOTOVÁ, Jana, Lucie ZÁRYBNICKÁ, Radka BAČOVSKÁ, Josef VRAŠTIL, Martina HUDÁKOVÁ and Jaromír ŠŇUPÁREK. Self-crosslinking acrylic latexes with copolymerized flame retardant based on halogenophosphazene derivative. Progress in Organic Coatings. 2016, vol. 101, December, p. 322 - 330. ISSN 0300-9440. Available from: https://dx.doi.org/10.1016/j.porgcoat.2016.09.007.
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Basic information
Original name Self-crosslinking acrylic latexes with copolymerized flame retardant based on halogenophosphazene derivative
Authors MACHOTOVÁ, Jana (203 Czech Republic, guarantor), Lucie ZÁRYBNICKÁ (203 Czech Republic), Radka BAČOVSKÁ (203 Czech Republic, belonging to the institution), Josef VRAŠTIL (203 Czech Republic), Martina HUDÁKOVÁ (203 Czech Republic) and Jaromír ŠŇUPÁREK (203 Czech Republic).
Edition Progress in Organic Coatings, 2016, 0300-9440.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10402 Inorganic and nuclear chemistry
Country of publisher Switzerland
Confidentiality degree is not subject to a state or trade secret
Impact factor Impact factor: 2.858
RIV identification code RIV/00216224:14310/16:00090856
Organization unit Faculty of Science
Doi http://dx.doi.org/10.1016/j.porgcoat.2016.09.007
UT WoS 000388050200034
Keywords in English Emulsion polymerisation; Core-shell latex; Diacetone acrylamide; Flame retardant; Phosphazene; Cone calorimeter
Tags AKR, rivok
Changed by Changed by: Ing. Andrea Mikešková, učo 137293. Changed: 13/4/2017 21:50.
Abstract
In this study the synthesis of a novel flame retardant based on halogenophosphazene derivative and its application in waterborne coatings based on self-crosslinking latexes was investigated. Hexaallylamino-cyclo-triphosphazene was synthesized by nucleophilic substitution of hexachloro-cyclo-triphosphazene with allyl amine. Latexes of functionalized core-shell particles bearing in the structure hexaallylamino-cyclo-triphosphazene molecules were prepared by the semi-continuous non-seeded emulsion polymerization of methyl methacrylate, butyl acrylate and methacrylic acid as main monomers. For interfacial crosslinking, diacetone acrylamide was copolymerized into the shell layer of latex particles to provide sites for subsequent reaction with adipic acid dihydrazide. The incorporation hexaallylamino-cyclo-triphosphazene did not affect transparency, flexibility, toughness and adhesive properties of resulting coatings. Moreover, the presence of the novel flame retardant decreased water sensitivity and increased the flame stability of coatings in terms of reduced total heat release, decreased amount of released smoke and drop in maximum average rate of heat emission which indicates a slower flame spread during the material combustion.
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