Dongguan Zhongtang yu' an Weaving factory
Realistic Textile Manufacturing & Production Engineering Interviews: 9 of 28 - Technology of Dyeing, Electrical Drives & Controls, and Operations Research. For infinite number of professional interviews (exactly as you experience in professional companies - Technical + HR), visit https://InterviewMax.com. This interview series covers graduate syllabus and the syllabus of Masters degree to a great extent. For example, the key topics like, Importance of dyeing, History of dyeing, Classification of dyeing, Theories of dyeing. Application mechanism & properties of direct, Reactive, Azoic, Vat, Solubilised vat, Sulphur, Basic dyes, etc on cellulosic fibre fabrics. After treatments of direct & basic dyes. Dyeing of oxidation colours e.g. - Aniline black & Mineral khakhi on Cellulosic fibres. Phthalocyanine colours - Phthalogen blue dyeing on cotton. Denim processing.Faults in dyeing, Their rectification and prevention in above dyeing methods, Use of dye bath assistant and auxiliaries for leveling of shades & migration of dyes. Machines used for dyeing: Principle, materials of construction and working of various dyeing machineries for fibre, yarn and fabrics. Dyeing of wool and silk fibres with acid, acid mordant, premetallised, basic, direct, reactive dyes, Dyeing of nylon with acid, metal complex, reactive, disperse dyes, Dyeing of polyester: Mechanism, processes, dyeing of various types of polyester viz. textured, micro, Dyeing of CDPET with different dyes, Dyeing of acrylics with basic/cationic dyes, Dyeing of blends such as polyester/cotton, polyester/viscose rayon, polyester/wool, Nature Of Dye Fibre Bonds: Physical, Chemical And Mechanical Forces, Kinetics And Thermodynamics Of Dyeing Process: Introduction, Laws Of Diffusion , Diffusion In Steady State And Non Steady State, Influence Of Various Factors, Adsorption Isotherms, Affinity, Heat Of Dyeing, Entropy Of Dyeing, Donnan Theory Of Membrane Equilibrium, Study Of Thermodynamic And Kinetic Aspects Of Various Dyes - Fibre Systems Such As Direct, Vat, Reactive, Azoic Dyes On Cellulose, Acid Dyes On Nylon And Wool, Cationic Dyes On Acrylic Fibres And Disperse Dye On Polyester. Concept Of Cohesive Energy Density And Solubility Parameter In Polyester Dyeing, Compatibility Of Dyes On Different Groups On Fibres E.G. Acid Dyes On Nylon, Direct Dyes On Cotton, Disperse Dyes On Polyester & Cationic Dyes On Acrylic & CDPET Fibres, Chemistry of dyes, principles of dyeing, Dyeing & chemical technology of textile fibres, Cellulosic dyeing, Chemistry Of The Textile Industry, Theory Of Colouration Of Textiles, Dyeing Of Textile Materials, The Scientific Basis And The Techniques Of Application. For details visit the website https://InterviewMax.com
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