Heat transfer of digital printing technology with high precision

         The dyeing and finishing process requirements,printing and dyeing cloth need to consume a large amount of water in the process,at the same time,discharge of sewage.The printing and dyeing wastewater is mainly composed of desizing wastewater,scouring,bleaching effluent wastewater,mercerizing,dyeing wastewater wastewater and printing desizing washing wastewater.The future of the whole textile industry route must be minimum emission of pollutants,printing as an important part of printing and dyeing industry,also must go ahead of the industry,based on "scientific and technological innovation,Protect environment" road.
         Cotton fabrics feel soft,comfortable,moisture permeability good,by the consumer favorite.How to improve the quality of cotton fabric printing and color fastness,reduce the amount of wastewater discharge printing,is worthy of further study.Cotton fabric has the traditional printing (printing and dye printing) and digital printing two.
         Pigment printing is widely used,accounting for the entire printing production 53%;pigment printing is by an adhesive film on the fabric,which will be fixed on the fabric surface coating to obtain the desired pattern printing technology.It has the advantages of simple operation,simplifies the process,without washing,soaping,desizing processes such as printing,saving energy,no waste water problems.But the pigment printing prints on the adhesive film and its adhesion to the fabric,the adhesive,printing (especially large area printing) fabric feel poorer,and adhesive adsorption dust,yellowing,aging problem in the film pattern formed part of the.
         Dye printing and printing of different.The dye is directly on the fiber,so the paste dye printing using only need to give color to the viscosity and printing properties,in order to make dye with paste initially imposed on the fabric surface.But in the printing,after steaming,the dye transfer from the paste to the inside of the fiber,and the dye fixation.At this time,paste function is completed,should be removed from the fabric.In addition,printing after evaporation,there needs to be removed on the fabric not dyes and floating color.Therefore,the dye printing to steaming,in the printing of water wash,desizing process.At the same time,dye printing,dye and fiber chemical binding,printing and then desized,compared with the pigment printing,fastness of the fabric handle and washing,soaping,washing is good,but the process is complex,and the fabric after washing,desizing wastewater treatment problems exist,there is damage to the the ecological environment.
         Digital printing technology is a key technology in traditional textile printing industry.Its production process is simply through digital means,to a variety of digital pattern input computer,then through computer color printing system after treatment,a special RIP software through the jet printing system will be a variety of special dyes (reactive,disperse,acid and paint) direct printing to a variety of fabric or other media after processing,after processing,access to a variety of high precision printing products required in all kinds of textile fabric.Digital printing technology compared with traditional printing technology,the superiority of the largest is the unlimited use of color theory,in other words,the number of digital flower color is not restricted.Any can print in the image on the paper can print out on the fabric.Usually the traditional printing because of limitations and funds subject to the process,the number of color it is certain,and digital printing to break through the traditional printing process,printing color to match,no plate,especially suitable for high accuracy pattern. At the same time,ink,color management software and digital printing machine continuously updated and provides an effective guarantee for the wide color gamut and high quality printing quality.
         At present,the digital printing technology is the most mature dye sublimation transfer printing digital printing.It is the use of thermal transfer ink through any an inkjet printer,first printed on paper,and then the pattern thermal (L80 ℃) transfer to the fabric.Dye sublimation transfer printing digital printing effect is very good,mainly because the ink pattern will not drift and fuzzy,and dye bright colors and wash light etc..At the same time stamp without steaming,washing,desizing process.

By Emily