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《Textile Auxiliaries》 2006-03
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Status quo and theory of dyeing with natural dyes

TAI Wen-feng,SHI Hong,YANG Wei-zhong,YAO Qi-hua(Changzhou Inspection & Quarantine Bureau,Changzhou 213300,China)  
The properties and colorant classification of natural dyes were described,and the dyeing thermodynamics and kinetics were simply discussed on the basis of the research results in and out of China.The dyeing mechanism may be known by combining the thermodynamic and kinetic studies,which is very important for guiding the dye uptake process control,dyeing result prediction and dyeing procedure detn.It has been found that the natural dye uptake on fibers and fabrics,as the synthetic dyes do,can be divided into 3 categories of adsorption,but most ones,contrary to the synthetic ones,are absorbed via an endothermal entropy-increasing course.
【CateGory Index】: TQ611
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