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agglomeration and crushing mechanism of disperse dyes

  • Method of polyester dyeing | Polyester Dyeing process .

    Method of polyester dyeing | Polyester Dyeing process .

    tags: Application of disperse dyes Chemical Classification of disperse dyes Chemical composition of of disperse dyes Chemical reaction of disperse dyes Comparision between Carrier Comparision between three disperse dyeing process Disperse Dye for Polyester Disperse dyeing process Disperse dyeing process graph dyeing polyester with disperse dye .

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  • Development of disperse dye polypropylene fiber and .

    Development of disperse dye polypropylene fiber and .

    Oct 27, 2016 · The dye leveler could enhance the homodisperse of disperse dyes and prevent the dyes from agglomerating at a high temperature. The acid-releasing agent effectively controls the coloring rate and increases the dye level. The fabric dyeing with disperse dyes depends on Van der Waals Force and a hydrogen bond.

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  • CN103147316A - Adjuvant composition suitable for dyeing of .

    CN103147316A - Adjuvant composition suitable for dyeing of .

    The invention discloses an adjuvant composition suitable for dyeing of an acid dye with small bath ratio, and aims to overcome problems in dyeing of on polyamide fabric by an acid dye, such as large water consumption and high energy consumption. The adjuvant composition provided by the invention is prepared by mixing a levelling agent O, a dispersant MF and an emulsifier in the weight ratio of .

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  • BIOCOMPATIBLE AND BIODEGRADABLE NATURAL DISPERSE DYES .

    BIOCOMPATIBLE AND BIODEGRADABLE NATURAL DISPERSE DYES .

    Jun 22, 2017 · The present invention is directed to a biocompatible and biodegradable natural disperse dye for dyeing polyester fabrics which is dispersed in water and derived from green plants. The disperse dye contains as the active dye compound an acid chlorophyllin derivative such as acid form Mg-chlorophyllin or acid form Cu-chlorophyllin.

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  • Leveling agents: chemistry and performance

    Leveling agents: chemistry and performance

    The function of dispersing agent is to prevent agglomeration of individual dye particle during dyeing. They play a subsidiary role in dispersion involving in textile coloration. Dispersing agents are much preferred for Vat dyeing, Disperse dye and pigment padding. The anionic product ionizes water and form an electrical double layer.

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  • Difference between reactive dye and disperse dye on fabric

    Difference between reactive dye and disperse dye on fabric

    Jun 12, 2015 · Difference between reactive dye and disperse dye on fabric. We know that reactive and disperse fully different dyes due to their properties, molecular size, application, water absorbency, solubility. 0 20 40 60 80 100 120 140 reactivity low HTHP medium reactivity carrier method reactive disperse Figure: temp.

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  • US5989299A - Mixtures of amine modified lignin with .

    US5989299A - Mixtures of amine modified lignin with .

    Dyestuff compositions are provided which incorporate, as the grinding aid and/or dispersant therefor, amine modified lignin admixed with sulfonated lignin. The disclosed dyestuff compositions exhibit improved heat stability and, as a result of the higher activity of the dispersant mixture of amine modified lignin blended with sulfonated lignin, less dispersant is present in the exhaust liquor .

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  • HCA - Customer Visit & Training - SlideShare

    HCA - Customer Visit & Training - SlideShare

    Sep 05, 2014 · HCA - Customer Visit & Training 1. Highlight of Coloring PlAstics Jelliarko Palgunadi & Nono Soetedjo Holland Colours Asia 06.27.2014 2. Outline HCA – a BRIEF Pigments & Dyes Basic Principles of Plastics Coloration HCA Products Portfolio 3.

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  • Denim Dry Processes - Whiskering, Laser Whiskering, Hand .

    Denim Dry Processes - Whiskering, Laser Whiskering, Hand .

    Denim Dry Processes – Whiskering, Laser Whiskering, Hand Scraping, Grinding, Destroy, Overall Crinkle, 3D Crinkle. Denim Dry Processes : Denim dry process comes before wet process and it changes the visual appearance by mechanical abrasion without altering the construction and properties.

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  • How to disperse and stabilize pigments

    How to disperse and stabilize pigments

    The adsorption mechanism depends on the chemical nature of the pigment and the types of dispersing agents used. (visit dispersants . other particles from approaching close enough for the attractive van der Waals forces to cause agglomeration. To know more . Add the pigment, in stages, and disperse in the normal manner.

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  • Dispersing Agent - an overview | ScienceDirect Topics

    Dispersing Agent - an overview | ScienceDirect Topics

    Dispersing agents increase the aqueous solubility of disperse dyes. (1954) showed the aqueous solubility of various disperse dyes increases at 25°C in the presence of 1-oleyl-4-anisidine-2-sulphonate and at 80°C in the presence of other dispersing agents. They also affect both the rate and the extent of uptake of disperse dyes on .

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  • Synthesis of phthalimide disperse dyes and study on the .

    Synthesis of phthalimide disperse dyes and study on the .

    The different time-temperature curve between synthesized dyes D1, D2 and D3 and C.I. 167, C.I. 30, and C.I. 79 showed that there was larger dye interaction energy in synthesized dyes than S-type dyeing disperse dyes. Disperse dyeing of polyester fibers follows a solid–solid interaction where a solid dye is solubilised in another solid fiber .

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  • Characterization and application of poly-ferric-titanium .

    Characterization and application of poly-ferric-titanium .

    Then, PFTS was applied in two kinds of simulated dye wastewaters (disperse blue and reactive yellow) treatment and the coagulation conditions (coagulant dosage and initial pH) were optimized. Moreover, the coagulation mechanisms in different dye wastewaters by PFTS were analyzed based on its structure and zeta potential.

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  • Eco-Friendly Finishes – Toh Problem Kya HAi

    Eco-Friendly Finishes – Toh Problem Kya HAi

    Eco-friendly finishes refer to suitable textile processing methods that deliver not only eco friendly finished products but also does not hamper the surrounding atmosphere and environment by polluting the air and water respectively, due to emissions of harmful gases and effluent water discharges.

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  • Wool Dyeing | Dye - Scribd

    Wool Dyeing | Dye - Scribd

    Challenges and changes in wool Dyeing. by Prosenjit Pandit (2006TTF3054) Introduction Environmental demands on wet processing Service the current and future needs of consumers Innovation and high added value in higher quality wool based products All these product areas offer challenges to the wool dyer to innovate and value to the final product Why there is a change?

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  • US5989299A - Mixtures of amine modified lignin with .

    US5989299A - Mixtures of amine modified lignin with .

    Dyestuff compositions are provided which incorporate, as the grinding aid and/or dispersant therefor, amine modified lignin admixed with sulfonated lignin. The disclosed dyestuff compositions exhibit improved heat stability and, as a result of the higher activity of the dispersant mixture of amine modified lignin blended with sulfonated lignin, less dispersant is present in the exhaust liquor .

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  • Parameters affecting the dye adsorption of polyester .

    Parameters affecting the dye adsorption of polyester .

    May 03, 2018 · Parameters affecting the dye adsorption of polyester dyeing with disperse dyes 1. Parameters affecting the dye adsorption of polyester dyeing with disperse dyes Ediriarachchige Nilaksha Madhuhansa Department of Textile and Clothing Technology University of Moratuwa 2.

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  • textiledd — Dyeing of Polyester Fabric with Disperse Dyes

    textiledd — Dyeing of Polyester Fabric with Disperse Dyes

    Dyeing Mechanism of Disperse Dye: The dyeing of hydrophobic fibres like polyester fibres with disperse dyes may be considered as a process of dye transfer from liquid solvent (water) to a solid organic solvent (fibre).Disperse dyes are added to water with a .

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  • The Processing Technology Development Of Dyes - News .

    The Processing Technology Development Of Dyes - News .

    At that time, about 20% of the goods for the liquid, the liquid dye mainly is a mordant dyes and VAT dye. By 1923, the British first selected additives added to the original dye and through crushing, made insoluble disperse dye aqueous dispersions. By 1910, most of the dye out water after processed into a certain specification of fine powder.

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  • Disperse dye - Wikipedia

    Disperse dye - Wikipedia

    Disperse dyes are the only water-insoluble dyes that dye polyester and acetate fibers. Disperse dye molecules are the smallest dye molecules among all dyes. [citation needed] A disperse dye molecule is based on an azobenzene (as Disperse Red 1 or Disperse Orange 37) or anthraquinone molecule with nitro, amine, hydroxyl, etc. groups attached to it.

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  • Dyeing of Polyester Fabric with Disperse Dyes - Textile .

    Dyeing of Polyester Fabric with Disperse Dyes - Textile .

    Dyeing of Polyester Fabric with Disperse Dyes . Dyeing Mechanism of Disperse Dye: The dyeing of hydrophobic fibres like polyester fibres with disperse dyes may be considered as a process of dye transfer from liquid solvent (water) to a solid organic solvent (fibre).Disperse dyes are added to water with a surface active agent to form an .

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  • Continuous Flow Removal of Anionic Dyes in Water by .

    Continuous Flow Removal of Anionic Dyes in Water by .

    Aug 14, 2019 · Previous studies demonstrate that the electrostatic interaction is the dominant mechanism for adsorption of charged organic dyes on the surface of metal oxide nanomaterials . To stabilize the anionic charge on the dyes, interactions between these negatively charged dyes and the chitosan-Fe 3 O 4 surface

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  • Dyeing Process | Different Types of Dyes | Classification .

    Dyeing Process | Different Types of Dyes | Classification .

    Dyeing Process | Different Types of Dyes | Classification of Dyes Dyeing Process: A process of coloring fibers, yarns, or fabrics with either natural or synthetic dyes. Dyeing is an ancient art which predates written records. It was practised during the Bronze age in Europe. . Disperse Dyes Disperse dyes are water insoluble. These dyes .

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  • Disperse Dye for Polyester | Why called disperse dye .

    Disperse Dye for Polyester | Why called disperse dye .

    Part 1 : Disperse Dye for Polyester | Why called disperse dye | Application and mechanism Part 3 : Auxilaries Of Disperse Dye Why called disperse dye. Disperse dye are the smallest dye of all dyes. They are insoluble in water. When they are applied to the dye bath, they form dispersion.They are free from ionized group.So they have low solubility in water& are suitable for dyeing hydrophobic .

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  • Development of disperse dye polypropylene fiber and .

    Development of disperse dye polypropylene fiber and .

    The dye leveler could enhance the homodisperse of disperse dyes and prevent the dyes from agglomerating at a high temperature. The acid-releasing agent effectively controls the coloring rate and increases the dye level. The fabric dyeing with disperse dyes depends on Van der Waals Force and a .

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  • Textile finishing dyes and their impact on aquatic environs

    Textile finishing dyes and their impact on aquatic environs

    Nov 14, 2019 · The agglomeration of organic matter (dyes, pigments, etc.) in watercourses induces the appearance of bad taste, bacterial proliferation, pestilential odors and abnormal colorations [68, 71, 85, 86]. In such a way that coloration could be perceived with the naked eye from a mass concentration of dyes equal to 5 μg/L [17, 94]. Apart from the .

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  • Dyeing of Polyester Fabric with Disperse Dyes - Textile .

    Dyeing of Polyester Fabric with Disperse Dyes - Textile .

    Dyeing of Polyester Fabric with Disperse Dyes . Dyeing Mechanism of Disperse Dye: The dyeing of hydrophobic fibres like polyester fibres with disperse dyes may be considered as a process of dye transfer from liquid solvent (water) to a solid organic solvent (fibre).Disperse dyes are added to water with a surface active agent to form an .

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  • Disperse Dyes | Properties Of Disperse Dye | Textile .

    Disperse Dyes | Properties Of Disperse Dye | Textile .

    Disperse dye is one kind of organic substances which is free of ionizing group. Disperse dyes are less soluble in water and used for dyeing synthetic textile materials. Disperse dyes is mainly used for dyeing polyester yarn of fabric. in the other hand, Reactive dyes are used for coloring cotton or cellulosic fiber.

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  • Effects of papermaking sludge-based polymer on coagulation .

    Effects of papermaking sludge-based polymer on coagulation .

    Disperse yellow SE-6GFL (D-Y) and Reactive blue K-GL (R-B) were chosen as the representation of disperse and reactive dyes. The simulative dye solutions with the concentration of 100 mg/L were prepared by dosing the dye power into tap water and stirring until dissolved actually.

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  • Leveling agents: chemistry and performance

    Leveling agents: chemistry and performance

    The function of dispersing agent is to prevent agglomeration of individual dye particle during dyeing. They play a subsidiary role in dispersion involving in textile coloration. Dispersing agents are much preferred for Vat dyeing, Disperse dye and pigment padding. The anionic product ionizes water and form an electrical double layer.

    Get Support Online »