The Co-Bath Research Of Flame Retardant And Dyeing Process To Polyester Fabric

Fire disasters make great number of deaths and heavy property loss every year all over the world.Treating inflammable materials with flame retardants is one of the strategic measures to prevent and decrease fire disasters.The study,produce and use of flame retardants and fireproofing materials are significant behaves that concerning "ENVIRONMENT AND HUMAN" problem.Organic flame retardant includes halogenated and phosphorus flame retardant.Halogenated flame retardant set off attention because of dioxin(toxicity of splitting decomposition and combustion products) problem.People attach importance to phosphorus flame retardant which containing no halogen and antimony.Being an effective way to produce non halogenated flame retardant and with merits of low smoking and low toxicity,phosphorus flame retardant has a positive prospect.This article discusses the common halogen and phosphorus flame retardant in the market, used on polyester fiber with hot-melt two-step way,hot-melt one-step way,and high temperature impregnation two-step way,high temperature impregnation one-step way.Through the different amount of flame retardants,finishing in different temperatures,different fire-retardant effect under the difference fabric finishing time,made the best finishing process conditions.At the same time,also discussed the influence to the dye caused by fire retardant, including how different amount of flame retardants influence the light of fabric and the change of dying depth.From these experiments we can see that although the halogenated flame retardants at the same time can be applied to high-temperature impregnation process and hot-melt process,and have good fire-retardant effect,with the development of flame retardants and increase of the environmental awareness of people,it doesn't adapt to market demand any more;phosphorus flame retardant,though in line with the requirements of environmental protection,and hot-melt process to achieve a better flame-retardant effect,but in a more energy-efficient,more simple steps of the high-temperature dipping process,because of phosphorus structure in the high-temperature plasma immersion can be hydrolysis,which lost its flame-retardant effect.Based on the above findings,further consideration of this article can apply to the synthesis of a phosphorus flame retardant can be used in high-temperature and impregnation progress.The material need to has a small molecule,the linear structure that can more easily into the fiber itself, Can not contain phosphate structure to ensure that there would be no high-temperature dipping when hydrolysis.Accordingly,this article use toluene,phosphine-dichloride as raw materials and anhydrous aluminum chloride as a catalyst,with Friedel-Crafts reaction principle,synthesis a new phosphorus flame retardant,and to explore how the amount of toluene,reaction time, temperature oxidation of the products yield of the law.Finally,the new type of flame retardant infrared absorption spectra of the system analysis,results showed that the synthetic compound is the same with the structure of the compound structure of the target line.The new phosphorus flame retardant products by the rough milling applications and dispersed then used on the polyester fiber,to observe the influence of the hot-melt process and the high temperature impregnation process.The results showed that the synthesis of this new type of flame retardant can be carried out with the bath disperse processing,is a class of the value of application development and application of high temperature impregnation and a new type of flame retardant technology.