Through the combination dyeing with FBE Blue , 3BS Red and 3RS yellow , the effect of salt and caustic soda on the dye fixing rate was discussed . The color change in different light, fastness and cost of combination dyeing with FBN Blue , 3RS Red and 3RS yellow , dyeing with M type reactive dye , combination dyeing with KNB Black , 3RS Red and 3RS Yellow and dyeing with Indanthrene dyes were compared .
This paper focuses on the absorption of veneer to dyestuff, color changes on the veneer surface and dyeing degree, dyeing ability of the dipped veneer, the mechanism of wood dyeing and color change of the dyed veneer by Xenon radiation. The regularities of wood dyeing and light change of the colored veneer are studied and to provide theories base for Poplar veneer dyeing technology.
The effect of degradation conditions such as H2O2 concentration, media concentation, reaction time and reaction temperature on physical properties of degraded products, for example, the degree of deacetylation, instinct viscosity, molecular weight and the color change of products were studied.
The effect to viscosity by temperature and concentration can be directed respectively by the following equation:Through the experiment of accelerating deterioration and conservation, testing peroxide value, huo and lightness of the hazelnut condensed liquid, the dynamitic model of life-time predication and color change during store were as follows: Ig =-0. 0222C+2. 3913 ,Y = A1t3 + A2t2 +A3t+B.
Results show that the fabric hue changes greatly after the treatment of EDTA, different time, temperature and concentration of EDTA hardly affect the hue of the fabric, and the content of metal ions decreases with the treatment of EDTA, which result in the color change of the naturally green cotton. .
Then I experimented colored cotton fabric's color change after it was treated in washing, lighting, sour, alkali, oxidizer and reducer, etc, so I can further research pigment characteristic base on the above experiment result.
Effects of different treatment technologies before freezing on thawed olive fruits were studied in this paper. Soaking olive fruits in 0.2% sodium bicarbonate solution had a little effect on prevention of color change in thawed fruit however blanching in 0.2% sodium bicarbonate solution gave better result than blanching in water.
According to the enzymic browning non-enzymic browning and pigment change are the major factors affecting color change of fruit and vegetable the variable regulation of browning degree reducing sugar protein acidity and PPO?
The color change of reactive and direct dyed samples after citric acid finishing were studied. The influence of citric acid,catalysts,triethanolamine and curing conditions on the color difference of finished fabrics were discussed.
The test method standard will artificial imitate human body wearing in lab, natural weather and some complex conditions for a short term (2~4 days), and then it will pridict the result of color change after a period of actual wearing in difFerent latitude district.
The chemical reaction mechanism of the color change occured in asparagus can is introduced. Several possible pathes of the mechamism are discussed. Research results applied to practical production can improve the product quality
The dyed fabric will have excellent fastness to soaping through the key steps controlling during vat dyeing, and thus resolved the color change problem when soaping. This article described this in details.
he outline is offered about the change Color point for printing in this paper. We have made four different color printing paste, and the best technological condition are obtained. The printed fabric can Change Color within 20～35℃, RH 40～90%. The color change obviously and can be reversed.