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leveling agent for dyeing process


Both polyacrylonitrile and cationic dyeable polyester fibers and yarns are dyed with cationic dyes in the presence of an agent which operates as a leveling, lubricating and antistatic agent. Dyeings of excellent levelness are obtained, and there is a high uniformity of distribution of lubricating and antistatic agent on the fibers and yarns.



Acid dyes are generally divided into three classes which depend on fastness requirements, level dyeing properties and economy. The classes overlap and generally depend on the type of fiber to be colored as well as the process used. Acid dyes affix to fibers by hydrogen bonding, Van …


Dyeing pH Levels for Different Stages of Cotton and Polyester Dyeing. pH Levels for Different Stages of Cotton and Polyester Dyeing in Dyeing. pH in Dyeing: pH is a measure of the hydrogen ion concentration of a solution. ... Before Leveling Chemicals, pH 6.5~7.0. After Leveling Chemicals, pH 6.7~7.0. After Adding Dyes, pH 6.2~6.35.


Dyeing accelerator for exhaust process with reactive dyes. Application: Applicable for all sort of reactive dyestuffs. Applicable for all sort of cellulosic fibers such as cotton, viscose rayon. ... Goldgen PA. Dyeing - Leveling Agents. Leveling Agent for dyeing with acid dyes. Application fields: Exhaust dyeing of articles with polyamide ...


Apr 21, 2017· In this study, a variety of anionic, cationic, and amphoteric leveling agents were applied to control the dye exhaustion process of three monochloritriazine–vinylsulphone heterobifunctional reactive dyes on the cotton fabric cationized using 3-chloro-2-hydroxypropyl trimethylammonium chloride.


Process for level dyeing of cotton knit fabrics with reactive dye. J. innov.dev.strategy 3(4): 01-08. The research was carried out at Hamza Textile Mills Ltd.of Gazipur in 2007. A beige color is selected to dye in a modern knit-dyeing machine (jet type) with …


Dye Fixing Agent: Properties of a good fixing agent includes good capability with cross linking agents without promoting yellowing effect; good leveling and migration properties, does not affect the shade, has good affinity for the fiber, stable to steaming and dry …


Textile Chapter Dyeing What Types of Chemical Used in Denim Processing? ... All of these need a reducing agent in the dyeing process to form the water-soluble 'leuco' form for the water-insoluble pigment that gives high fastness. The most commonly used reducing agent is sodium hydrosulphite. ... Leveling agent. Used to develop even dyeing ...


Once the dyeing process reaches equilibrium, a portion of the dye remains in the dye bath and becomes part of the dye process wastewater. ... Leveling agent: Used in disperse dyeing …


In some cases level dyeing can be influenced by dye-bath pH and/or presence of electrolytes. However, to produce better yields with correct depth, leveling agent is a must. Mechanism of Leveling agents : Since leveling agents are surfactants, they may be anionic, cationic, non-ionic or amphoteric in nature.


Working Process of Jet Dyeing Machine: In this machine, the dye tank contains disperse dye, dispersing agent, leveling agent and acetic acid. The solution is filled up in the dye tank and it reaches the heat exchanger where the solution will be heated which then passed on to the centrifugal pump and then to the filter chamber.


Every chemical and auxiliaries have their own properties. In textile wet processing or textile dyeing industry, so many important chemicals and auxiliaries are vastly used which are presented in this article. You may follow 1. List of Top 10 Textile Companies in World 2. …


1. A process for improving the dyeing of cellulosic materials with reactive or substantive dyes, comprising treating the cellulosic materials with a dye assistant composition comprising a leveling agent, said leveling agent comprising milk protein in an amount effective to level the color imparted to the cellulosic material.


In this dye bath, dispersing agent which disperses dyestuff evenly in the bath and leveling agent which enables to dye more than some hundred meter of fabric are added with water and disperse dye. NICCA combines these two chemicals in one agent for better workability.


A diffusion accelerant for HT dyeing of polyester fibres and microfiber blends at all stages in jets processing and circulating liquor machines, UNIVADINE® E3-DAP is excellent for dyeing polyester fibres in tightly wound or high-density package. UNIVADINE ® TOP leveling and dispersing agent Excellent leveling and dispersing effects.


Leveling agents are added to the dye bath to regulate the process of dyeing to obtain uniform shade throughout the substrate. Leveling agents are soluble in water but, the solubility reduces with increase in temperature and finally becomes insoluble after a temperature called as the cloud point.


Jul 08, 2011· Dyeing of cotton with reactive dyes quality q&a 1. Dyeing of cotton with reactive dyes R.B.Chavan Department of Textile Technology Indian Institute of …


Acid Dyes fall into 3 subgroups or classes that describe their properties in the dyeing process. The three classes are leveling, milling/supermilling and premetallized. Leveling Acid Dyes work best out of all of the acid dye classes for dyeing very even solid colors, and the colors are very bright. The molecules are simple and small and migrate ...


defects. To solve the problem, we used a leveling agent. As to uneven coloring problem, the most common solution is to add a leveling agent in the process of dyeing. Special additives of dyeing acrylic such as leveling agent AN are expensive. Therefore, we tried con-ventional solvents to improve the depth of acrylic fiber dyeing.


Chlorobenzenes can be used as dyeing carriers or leveling agents for dyeing, printing and coating of textile and leather materials including fibers, yarns and fabrics. They may also be used as deodorizers, fumigants, degreasers and defoliants. Dichlorobenzenes are used as insecticides o r as solvents for rubber, waxes or disinfection agents.


Leveling agent for cationic dyeing. QUALIX-LVD Leveling agent for dyeing of polyester and their blends with disperse dyes QUALIX-LVR Leveling agent for the dyeing of reactive dyes on cellulosic fibre & fabric. QUALIX-LVN Versatile Leveling agent for dyeing of nylon & wool.


Apr 19, 2012· Dyeing sequence of polyester is given below: Carrier and vessel washed by hydrose and caustic at 100 0 C for 20 min ↓ Load the package in the carrier and feed in the vessel ↓ Add washing agent and run at 80 0 C for 20 min ↓ Dyeing period ↓ Add leveling agent and acid, run at 60 0 C for 10 min ↓ P H check ↓ Color mixing at 70 0 C for ...


Cross dyeing is "a method of dyeing blend or combination fabrics to two or more shades by the use of dyes with different affinities for the different fibers". The cross dyeing process can be used to create heather effects, and plaid, check, or striped fabrics.


Textile Dyeing And Levelling Agent For Polyester High Temperature Dyeing Process, Find Complete Details about Textile Dyeing And Levelling Agent For Polyester High Temperature Dyeing Process,Textile Leveling Agent,Leveling Agent For Polyester,Polyester High Temprature Dyeing from Textile Auxiliary Agents Supplier or Manufacturer-Yantai Yuanming Textile Tech. Co., Ltd.


ARTICLES / How to make Dispersing Agent | Leveling Agent in textile chemicals For polyester dyeing, disperse dye is used as the dyestuff which is not soluble in water. Polyester is put in the bath which dyestuff is dispersed and dyed under high temperature with …


2. Dyeing process. The dyeing process is one of the key factors in the successful trading of textile products. In addition to the design and beautiful color, the consumer usually looks for some basic product characteristics, such as good fixation with respect to light, perspiration and washing, both initially and after prolonged use.


However, for the polyester fiber using polyester dye, the leveling agent also needs to have strong migration performance. No matter in the process of grinding of polyester dye or in the process of dyeing polyester, you need to add a lot of dispersant to disperse the polyester dye.

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