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auxiliaries in textile dyeing improves dye solubility

Mercerizing Agent Liquid is a very powerful mercerizing and wetting agent to improve penetration of caustic in cotton. These agents act by reducing the overall speed of the dyeing process, while increasing the speed of the migration of the dye into the fabric and increasing the solubility or stability of the color dispersed during dyeing. Evertex® CF - Everlight Colorants - Everlight Colorants Textile Chemrose: Dyeing Auxiliaries Euro Catonizer is applied to fabric by padding or exhaust method. Storage. Seal and store the product in a cool and . Cationic Fixing Agent - Textile Chemistry, Textile ... They will be classified according to their functions and various uses. The Temperature and Time controlling are two key factors in dyeing. Textile Industry - Kimyagaran 1)VAT dyes for cellulose fabrics Process: Padding-Steaming, or padding-jig dyeing 2)Dispersion/VAT dyeing on Polyester/cellulose fabrics or disperse/reactive dyeing Process: Padding-hot melt- steam 3) Disperse dyeing of polyester woven fabric Process: Padding- hot melt pH of mangle: 5~10 Dosage: 5~15g/L The manufacture and use of dyes is an important part of modern technology. PDF Dow High Performance Solutions for Textile Auxiliaries These include Printing Binders and Washing Auxiliaries which are used in textile industry. Product Features. They may necessary to transfer the dye from the bath to the fiber or they may provide improvements in leveling, penetration etc. Evertex CF 5 g/l ~ 30 g/l then drying. Handbook On Textile Auxiliaries, Dyes And Dye ... Leveling agent Improves dyestuff solubility. Fiber: nylon, wool, silk and their blended fabrics and yarns. We offer various dye bath additives which ensure trouble-free dyeing and best results in terms of yield, solidity, fabric appearance, fastness and batch to batch consistency. The types of dyes used in textile printing are usually the same classes that confer substantively to given fibre types in the exhaust dyeing process. To dictate the properties of surface active agents, Griffin developed a arrangement called Hydrophilic-Lipophilic Balance or HLB. 2) These are easy to use and do not harm the fabric. 50kg or 125kg plastic drum. Dyeing and printing. Any desired handle can be achieved with soft handle agents. In this way, surface smoothness, core softness and elasticity of a textile article can be defined. 100% Formaldehyde free and non toxic water soluble fixing agent with excellent dye retention property for indigo / sulfur Can be used for both padding as well during dyeing of yarns Treated Fabrics / yarns just need to be dried, no need of curing The carrier are found to assist the disperse dyes to enter the polyester polymer. OBA Wool BASF SVHC Nylon Cotton No odor Spandex Binders vat dyes New item pin holes thickener Polyester anti-slip Degreaser non-toxic dye specks Stone Wash anti-virus anti-mites Rinse wash high-count anti-mildew 280 ~ 320nm Bleach wash wax printing high-density triple-proof Pretreatment Natural Gums cross-linked Denim fabric nylon fibers C8 Based WOR Fixing agent anti-pilling Free of PFCS C6 . and distribution of the dye. Following is the general guide of application. Jan 29, 2020 - A large scale high-tech textile chemical manufacturer in China and we are specialized in textile auxiliary industry for more than 10 years. Conclusion Various dyeing conditions, dyebath auxiliaries, mordants, fiber types and color properties of fabric have effects on shade and depth of color for the selected fabric as corroborated by spectrophotometry. Improves the dye penetration; Promotes the best possible conditions for level dyeing; Enhances the brilliancy of the color shade; Increases yield and improves reproducibility of dyeing, produced with dyes that are sensitive to calcium and magnesium It is treated with sulfur dyes for making soluble dye . dispersant . Dyeing Auxiliaries Auxiliaries for Cotton Cationic Fixing Agent Cationic Fixing Agent Cationic fixing agent mainly through the cation and dye molecules in the anion group formation of ionic bonding, thereby sealing the water-soluble groups, to improve the wet treatment fastness. Polyvinylpyrrolidone (PVP) has a lactam structure in its molecule, which has a strong binding force with hydroxyl, amino, and carboxyl groups, and dyes often contain these functional groups, so PVP has a strong affinity with general organic dyes, Sometimes this affinity even exceeds the binding force of dye and fiber, so . The typical exhaust dyeing procedure involves the exhaustion of the dye onto the substrate with salt addition and temperature control, followed by the addition of alkali for dye fixation as well through covalent bonding. It is sensitive to atmospheric oxygen. Dye liquor: The liquid that contains the dye and the reagents necessary for dyeing. Dyeing is normally done in a Special Solution containing Dyes and Particular Chemical Material. Evertex WRF-01 is technically designed chemicals to demand high wet rubbing fastness for trouble-shooting on deep navy, black, red shades on cellulose fiber and its blends, accompanied with high value-adding benefits for dyeing mills & apparel brands. With the post-treatment of textile dye technology continues to progress and development, as well as the EU REACH regulations promulgated select excellent performance and meet the environmental requirements of textile dyes and auxiliaries more and more industry attention , while in the selection of textile dyes and auxiliaries safe and . Promotes even absorbtion of the dye & minimizes fibre damage. It performs equally well on direct, reactive and sulfur dyes. ð Printing is localized dyeing. Leveling agents facilitate the uniform distribution of dyes in the fabric in order to obtain tones and intensities of uniform color. Applied range: Dye: acid dyes. in the textile industry. PRINTING AUXILIARIES. Dyeing Auxiliaries TS-Y Non formaldehyde color Fixing agent textile dyeing auxiliary Color fixing agent TS-Y is a non formaldehyde fixing agent with high cost performance. Solubility of dyes • Low dye solubility [10-4 and 10-7 mol dye/mol CO 2] • Extensive grinding of the pure dyes enhances solubility Increases of the surface area • Molecular weight • Dye structure Solubility is decreased by the introduction of highly polar hydroxyethyl (-CH 2 CH 2 OH), amino (-NH 2), cyano (-CN), acetylamino . Packaging Size. Plasticized the fiber or increase Swelling degree to speed up the diffusion of disperse dyes in the fiber; 4. 972CF is mainly used for cotton fabric and terry towel to get good softness and hydrophilicity. and distribution of the dye. Dyeing is the process of Adding Colour to textile products like Fibers, Yarns, and Fabrics. ð Dyeing is normally done in a special solution containing dyes and particular chemical material. To disperse insoluble dyes and pigments well in dyeing solutions Fixing agent Reactive dye Direct dye Acid dye To increase functional groups with dyes on fabric, thus to improve wet fastness of fabrics Leveling agent Key attributes or functions Dow product recommended Promote thorough wetting of the fabric ECOSURF ™ SA-9, SA-15 TERGITOL . Dye Chem WORLD & KnitProcess Knitting & Processing Technology Exhibition Event Managed . Excellent dispersibility and prevents the staining back to fiber. ð The temperature and time controlling are two key factors in dyeing. It decompose during vatting & dyeing. Package. Generally, the auxiliaries used in high-tamp and high-pressure dyeing of polyester fibers contain a carrier that plasticizes the fiber, and a surfactant that solubilizes disperse dyes or stabilizes the dye suspension. 3. Decomposition increases with temperature. Dyeing Auxiliaries There are different dyeing auxiliaries. Post Views: 575. at 40'C ~ 60'C for 20 minutes then rinsing and drying after treatment. With the formal promulgation textile dye treatment technology continues to progress and development, as well as the EU REACH regulations, choose excellent performance and meet environmental requirements of the textile dyes and auxiliaries more and more industry attention, while textile dyes and auxiliaries Selection safe and effective dispersants will become particularly urgent. Keshav Chemicals has specialised in manufacturing Textile Dyes for over 20 years since 1990. Specifications: Soft Pigment Printing Binder. Solubility soluble in water Performance and characteristics 1. Organic compound. Properties like hydrophilicity and whiteness retention as well as highest application reliability are assured at the same time. Solubility: Easily soluble inwater. BEZAKTIV S-W are reactive dyes with a multifunctional anchor system, high light fastness and good multiple washing fastness. 3) The dyes and agents have great solubility property with different emulsions and liquids. Our fixing agent is well formulated at vendor's end under the guidance of adept professionals using premium grade chemical compounds. Lecturer : Engr.Nida Fatima Intorduction Textile can be defined as it is a flexible woven material consisting of a network of natural or artificial fibres often referred to as thread or yarn. 1 year. Thanks to their good colour-build up, they are also recommended for darker shades. Textile chemical is mainly divide into Pretreatment auxiliary, Dyeing auxiliary, Dyeing auxiliary, Hand feels finishing agent, Functional finishing agent, Auxiliary for denim sizing or garment washing, Auxiliary for Household chemicals etc . Printing is the most important of all the processes used at present to decorate textile materials. 2%PVP (wt) can be used as polyester fiber with leveling agent of cationic dye dyeing, making dyed fabric not only the color and luster even, also making sunlight fastness to improve from the . On the fabric, it can form insoluble colored material with dye, thus to improve the color of washing, perspiration fastness, and sometimes can improve its sun fastness. Because of the variety of materials that must be dyed in a complete spectrum of hues, manufacturer now offer many hundreds of distinctly different dyes. Today, with the use of a suitable binder, pigments can be applied to all types of fibres. This Washing off agent is high affinity to hydrolysis and improves soaping efficiency. Improves penetration and surface levelness of the dyeing. After dyeing, dye molecules have uncut chemical bond with fiber molecules. Shelf Life. BEZAKTIV S-W dyes are used in exhaust dyeing, CPB dyeing and continuous dyeing processes. The formation of additional complexes with dyes and auxiliary agents enhances the exhaustion of dyes on textile substrates. our textile auxiliaries mainly cover textile pretreatment chemicals, dyeing, brightening, post-treatment and functional finishing agents, especially for de-oiling agent, levelling agent, dye-fixing agent, soaping agent, repairing agent, self-emulsifying silicone oil, hydrophilic silicone oil, block or micro silicone emulsion, high concentration … Dyeing auxiliaries are defined as chemicals or formulated chemicals which enables a processing operation in dyeing to be carried out more effectively. As the dye particles are small and water soluble, it exhibits poor wet fastness. They can. Because of the variety of materials that must be dyed in a complete spectrum of hues, manufacturer now offer many hundreds of distinctly different dyes. Properties : Low molecular weight. (4) Improve the dispersion stability of the dye. For aqueous-based dyeing, dye auxiliaries such as chelating agents, dispersing agents, leveling agents, electrolyte, pH control agents, and surfactants form complexes with the dye . of acid and metal complex dyes after dyeing and printing on nylon (nylon) fibers, as well as high temperature water fastness. The Dye Auxiliary Chemicals are less toxic and have effective results. Lyogen NH- Levelling agent for dyeing with acid and metal complex dyes. Selected reactive dyes for garment. Dye Levelling Agents: COLORIN series: An eco-friendly water soluble liquid reactive dye levelling agent for dyeing of cotton and . These compounds are formulated by making use of optimum grade constituents to make sure that these are blended with chelating properties. November 23, 2021. Sarakol-RDL is a special formulation for dyeing of reactive dyes and vat dyes by exhaust as well as pad application. Dyeing auxiliaries provide high dyeing quality, process safety and increased reproducibility on all kinds of substrates and machines, in a variety of processes and with all classes of dyestuffs. T.R Oil. Sarakol-RDL is a special formulation for dyeing of reactive dyes and vat dyes by exhaust as well as pad application. Dyeing auxiliaries includes dye fixing agents, cationizing agents, dispersing & leveling agents etc. The dyebath is set at 40°C, Raise to the boil at 2oC min -1; Hold at the boil for 30-45 min, Dyeing Method of Direct Dye: The color is pasted well and dissolved in boiling water to get a lump free solution .An addition of 0.5-2 g l -1 sodium carbonate may be advantageous when applying dyes of only moderate solubility in full depths. Function of auxiliaries: Reducing agent Sodium dithionite Na 2 S 2 O 4 .2H 2 O. generally it is called hydrosulphite or hydrose. Selection of dyeing auxiliaries: in order to improve the dyeing performance of dyes in the dyeing process, dyeing auxiliaries are usually added, which adopts anionic and non-anionic compound levelling agent with the dosage of 0.5g/ L-1.0g/L. Foam free dye bath conditioner for reactive dyes. Lignin dispersant application in textile auxiliaries. Chemistry of textile manufacturing. Sarakol-RDL improves the solubility of reactive dyes under adverse conditions of dyeings such as low liquor ratio, poor quality of salt, hardness in water, poor solubility of dyestuff. KECAS 36: It is an ethoxylated oil which is used in the formulation of spin finish oils Textile Dyeing Chemicals and Auxiliaries | Yarn and Fabric Dyeing Assistance Posted by Firoz Kabir 2 comments Dyeing of textile materials such as fiber, yarn, fabric or garments is a process of imparting color to these material through different dyeing processes and procedures in machines with the help of different dyestuffs and dyeing assistance. Euro Catonizer is excellent catonizing agent for both direct and pigment dyeing of garments. WL: 1~2% (owf), Add 1~2% acetic acid, Begin at 50℃, Heat to 98℃ in 30~45min, Dyeing at 98℃×30~60min. The nature of the fabric also has an influence on the property of dyeing. In the dyeing step, pre-treated fabric is dyed with different classes of dyestuff depending on the substrate used and end performance requirements. Padding. It can significantly improve the wet fastness (water wash resistance, perspiration resistance, chlorine resistance, seawater fastness, etc.) This dyes are superior to others in terms of cost, better light fastness, ease of application, shorter dye cycle, low cost of auxiliaries, remarkably lesser use of water and much lower salt level in effluent. Suitable for 100% Cotton, Rayon, PET/cotton blends. reax 85a in the industry is a multi-purpose dyeing auxiliaries dispersing agent for disperse dyes for polyester and acetate fiber dyeing , can effectively preventing dye in the high temperature dyeing conditions, agglomerate , to improve leveling properties , particularly suitable for cheese dyeing machine , jigger , overflow dyeing machines low … 4. Dyeing auxiliaries play an important role in the determination of the final dyeing quality. The fixing mechanism of fixing agent in dyeing. After dyeing, dye molecules have uncut chemical bond with fiber molecules. Intro, classification & Functions of Auxiliaries Lecture : 1,2,3. Textile direct dyes is a kind of dyestuff which can be ionized into colored anion in water and can be directly dyed in cellulose or protein fiber without the aid of mordant. This Washing off agent is low sensitive to salt and hard water and improves soaping process. A special soaping agent for Reactive Dyes for dyeing & printing process highly effective at 60-70 oC. 4) They improves the fastened property and fixes the color on . Conclusion Various dyeing conditions, dyebath auxiliaries, mordants, fiber types and color properties of fabric have effects on shade and depth of color for the selected fabric as corroborated by spectrophotometry. Fixing agent is one of the important textile auxiliaries in dyeing and printing industry, which can improve the color fastness of dye in fabric. For example, direct dyes, acid dyes and reactive dyes contain hydrophilic groups and use cationic compounds for color fixation. Dyes are water-soluble and attract to fabrics by both primary (ionic or covalent bonds) and secondary (hydrogen bonding) forces while dyeing or printing on textiles. Textile direct dyes forcotton and linen in textile industry Manufacturers will provide various textile dyes according to different requirements. Sodium Acetate-crystals -is a dyeing assistant which combined with acetic acid 30% creates a buffered solution which helps to maintain a constant PH. The main functions of auxiliaries are to prepare or improve the substrate in readiness for colorants (by wetting, providing sorption sites, improving or resisting the migration of dyes), to stabilize the application media (by improving dye solubility, stabilizing a dispersion or solution), to protect or These polyester auxiliaries can appropriately increase the solubility of disperse dyes; 2. In textile industry as a bleaching, as a desulfurizing and as a dechlorinating agent. Eco-friendly. Packaging We do realize the importance of Packaging in the Dyes Products and therefore we do cover all the diversified forms of Packaging including Plastic Drums, HDPE Bags, MS Drums, Bulk Bags, Cartons, etc. Product Information. Dyeing auxiliaries There are different dyeing auxiliaries. Textiles widely used for carpeting, furnishings, window shades, towels, coverings for tables, beds . 1) Reduce the water solubility of the dye, and use the fixing agent and the dye to generate insoluble lakes, thereby improving the wet processing fastness. Application: The concentration used will be varied with the material, dyes and its dyed concentration. There are several types of printing in vogue e.g. Product kinds. 50kg. They will be classified according to their functions and various uses. Such scale covers a arrive at of value . Pigment, Vat, Reactive, Disperse, Rapid, Naphthol/Base. Dilute able in any amount of water. Applications. View Complete details. Excessive dosage will lead to a decrease in high temperature dispersity. Leveling agent Controls the strike rate in the adsorption phase leading to level dyeing. Poor dye fixation has been a long-standing problem with reactive dyes in particular in batch dyeing of cellulose fibers, where a significant amount of salt is normally added to improve dye exhaustion (and therefore also dye fixation). The nature of the fabric also has an influence on the property of dyeing. msds TOUCHLUBE PDR Powder form high concentrate, Cold water soluble , Efficient lubricant and crease Inhibitor for processing in rope dyeing machines such as Soft flow & Jet dyeing. Detailed Product Description Textile Auxiliary Dyeing Agent To Improve Color Fastness And Rubbing Resistance Technical Specification Product Features & Fields of Application 1. TUBINGAL 9270. Conclusion Given the current dyeing fastness problems exist together . For example 1% PVP can make the blended fabric of nylon 6 and nylon 66 with acid dye or metal complexing dye dyeing to get the best color difference. Auxiliaries, dyes and dye intermediates play a vital role in textile processing industries. We offer this Dye Fixing Agent at reasonable rate. Home > Product > Dyeing Auxiliaries Hydrophilic Silicone Fluid Silicone Oil 972CF is a block type silicone oil/fluid, it imparts fabric a good soft and smooth hand feel. Evertex CF 2% ~ 4% o.w.f. Mainly aromatic compound of low water soluble. Textile auxiliaries We offer solutions for wet processing of textiles to improve their performance and final product aesthetic effects using our industry leading technologies and high performance ingredients supported by our formulation and industrial application expertise. In this system, each surface active agent is given a number, called HLB value that numerically represents the hydrophilic in addition to hydrophobic tendencies of the material. 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