Results 241 to 250 of about 25,770 (283)
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Pyridyl-substituted azobenzene disperse dyes
Dyes and Pigments, 1992Abstract N,N-Disubstituted aminoazobenzene dyes containing a 2-pyridyl substituent were prepared and used for the dyeing, as disperse dyes, of polyamide, polyester and cellulose acetate. The dyeings and the fastness tests gave very satisfactory results.
VISCARDI, Guido +4 more
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Thermodynamics of Dyeing with Disperse Dyes
Fibre Chemistry, 2019The article investigates thermodynamic parameters of the dyeing process. The enthalpy change during dyeing with disperse dyes was determined. An equation for the dyeing process with the same conditions for the same type of dyes is proposed.
O. V. Romankevich, O. A. Garanina
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Electrochemical Oxidation of Dyeing Baths Bearing Disperse Dyes
Industrial & Engineering Chemistry Research, 2000This paper presents the results of the electro-oxidation of pollutants in synthetic textile wastewater containing partially soluble disperse dyes. The experiments were performed in an electrochemical undivided cell reactor using seven different anode materials and 0.1 M NaCl as the supporting electrolyte.
SZPYRKOWICZ, Lidia +4 more
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Synthesis and dyeing properties of novel disperse dyes. Part 2: Pyrazole disperse dye derivatives
Journal of the Society of Dyers and Colourists, 1998Several new disperse dyes derived from thiosemicarbazides and acetoacetanilide have been synthesised. The dye structures were ascertained by chemical analysis and infrared measurements. Prepared dyes were used for dyeing nylon fabric by the exhaustion method. The colour strengths and dye fixation on the fabric were also determined.
Y M El‐Kholy +2 more
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Disperse Dyes: Dyeing Properties and Fastness of Azo Dyes
Textile Research Journal, 1977The dyeing properties and fastness of several disperse azo dyes, prepared from the o- and m-substituted p-nitroani-lines as diazo components and N-ethyl-N-cyanocthylanilinc and - o-anisidine as coupling components, have been studied in order to get an idea of the substitutional effect on dyeing properties.
S. V. Sunthankar, V. Thanumoorthy
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Journal of the Sanitary Engineering Division, 1963
The partial differential equation for the dispersion of dye from a point source in an infinite fluid is presented and the general solution for the one, two and three dimension cases is derived. The characteristics of the dye dispersion curve is determined as well as, the rate of diminution of the peak concentration of dye.
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The partial differential equation for the dispersion of dye from a point source in an infinite fluid is presented and the general solution for the one, two and three dimension cases is derived. The characteristics of the dye dispersion curve is determined as well as, the rate of diminution of the peak concentration of dye.
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1991
In this chapter we provide a succinct introduction to the elements and architecture of dispersive dye lasers. The emphasis is on the technology and the intention is to provide a useful guide to the subject for physicists and engineers already familiar with the basic elements of laser theory and operation.
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In this chapter we provide a succinct introduction to the elements and architecture of dispersive dye lasers. The emphasis is on the technology and the intention is to provide a useful guide to the subject for physicists and engineers already familiar with the basic elements of laser theory and operation.
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Supercritical Dyeing Polyester Fibres with Disperse Dyes
Advanced Materials Research, 2013Three thiadiazolyl azo dyes were used as disperse dyes for polyester fibres. The dyeing medium was supercritical CO2. The experiment conditions were 80 to 120°C and 2500 to 4000 psi pressures. The dyeing results were compared with traditional dyeing in water.
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Review of Progress in Coloration and Related Topics, 1972
The paper is in part a continuation of the previous review [1] and covers the period up to September 1977. During this time there have been considerable developments in the areas of transfer printing and fibre blends, particularly polyester‐cotton. Disperse dyes in use in these areas are discussed.
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The paper is in part a continuation of the previous review [1] and covers the period up to September 1977. During this time there have been considerable developments in the areas of transfer printing and fibre blends, particularly polyester‐cotton. Disperse dyes in use in these areas are discussed.
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