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Cyanuric Chloride Derivatives for Cotton Textile Treatment—

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Cyanuric Chloride Derivatives for Cotton Textile Treatment—

Author: Date :2019-08-02 Views: order
Industrial, governmental, and academic research groups have long sought to synthesize flame retardant compounds for application to textiles.There are many reviews on this subject.1,2 Recently,legislative action in the European community has restricted the use of halogen-based flame retardants, causing the focus of research to shift to more environmentally-friendly nitrogen and phosphorus-based compounds. Our current research effort is focused in the area of organophosphorus flame retardants due to their non-brominated character, ease of synthesis, and performance in standardized flammability testing. Unlike bromine-based compounds, which retard flame in the gaseous phase by a free-radical scavenging mechanism, phosphorus-nitrogen based compounds retard in the condensed phase by synergistically promoting the phosphorylation of cotton fabric and the formation of protective char.3-5 In this laboratory, mono- and di-substituted diethyl-2-aminoethylphosphonate derivatives of cyanuric chloride were chosen as a covalent linker with bleached and mercerized cotton. The choice of cyanuric chloride stems from its affordability and long time use in the cotton industry as a reactive dye linker.6 Using existing linker chemistry between cyanuric chloride and cotton,cyanuric chloride was derivatized with flame retardant properties in a similar manner as dyes. Two derivatives (Compounds 4 and 5) presented in Fig. 1represent the latest efforts to provide effective flame retardant treatments to cotton textiles.  
Cyanuric Chloride Derivatives for Cotton Textile Treatment—(图1)
Cyanuric Chloride Derivatives for Cotton Textile Treatment—(图2)
Cyanuric Chloride Derivatives for Cotton Textile Treatment—(图3)
Cyanuric Chloride Derivatives for Cotton Textile Treatment—(图4)
Cyanuric Chloride Derivatives for Cotton Textile Treatment—(图5)
Cyanuric Chloride Derivatives for Cotton Textile Treatment—(图6)
Cyanuric Chloride Derivatives for Cotton Textile Treatment—(图7)

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