Industry knowledge
What is the dyeing process of Acid Yellow 127 DYES SERIES?
Acid Yellow 127 DYES SERIES, as a member of the acid dye series, occupies an important position in the textile printing and dyeing industry with its bright colors and excellent dyeing properties. This dye is mainly used for dyeing protein fibers and polyamide fibers, such as silk, wool and nylon.
1. Preparation stage
Before starting dyeing, you first need to prepare the required dyes, auxiliaries, water and the fabric to be dyed. The dye needs to be accurately weighed according to a predetermined recipe and diluted with water to the appropriate concentration. The selection and use of auxiliaries are also key. They can improve the dispersion, penetration and color fixation of the dye, thereby improving the dyeing effect. At the same time, the fabric to be dyed needs to be pre-treated, including cleaning, impurity removal, drying and other steps to ensure that the fabric surface is clean and smooth.
2. Dyeing stage
Preparation of dyeing solution: Mix the weighed Acid Yellow 127 dye with an appropriate amount of water, add necessary auxiliaries, such as dispersants, penetrants, etc., stir evenly, so that the dye is fully dissolved and dispersed in the water to form a uniform dyeing liquid.
Dyeing temperature and time control: Determine the appropriate dyeing temperature and time according to the characteristics of the dye and the type of fabric. Generally speaking, the dyeing temperature of acid dyes is higher, usually between 70-90℃. The length of dyeing time will also affect the dyeing effect and needs to be adjusted according to the actual situation.
Dyeing operation: Put the pre-treated fabric into the dyeing machine and add the prepared dyeing solution. During the dyeing process, the dye solution needs to be constantly stirred to ensure that the dye penetrates evenly into the fibers of the fabric. At the same time, pay close attention to the temperature and pH of the dyeing solution to ensure they remain within the appropriate range.
3. Post-processing stage
Fixation treatment: Before starting the fixation treatment, first ensure that the dyed fabric has been fully cleaned to remove excess dye and auxiliaries. Then, the fabric is placed in a fixing solution. The formula of the fixing solution usually includes a fixing agent, a pH adjuster, and water. The type and amount of fixing agent will be selected based on factors such as the nature of the dye, the type of fiber, and the required fastness. In the fixation process, temperature and time are two important parameters. Temperature affects the rate and extent of chemical reactions and therefore needs to be controlled within an appropriate range. The time determines the adequacy of the reaction. If it is too short, it may lead to incomplete color fixation, and if it is too long, it may damage the fiber or reduce the color. pH value is also a key factor affecting the color fixation effect. Different dyes and fibers have different requirements for pH value, so the pH value needs to be continuously adjusted during the fixation process to keep it within the optimal range.
Cleaning and drying: After the color fixation process is completed, the fabric needs to be washed to remove excess dye and additives. Pay attention to the control of water temperature during the cleaning process to avoid excessive temperature damage to the fabric. After cleaning, dry the fabric to restore its original softness and luster.
Quality inspection: Finally, the dyed fabric is inspected for quality, including evaluation of color, fastness, uniformity, etc. Only fabrics that meet the requirements can enter the next process or leave the factory for sale.
What are the applications of Acid Yellow 119 DYES SERIES in the paper industry?
As one of the traditional basic industries, the paper industry has been constantly developing and innovating. Among them, color, as one of the important attributes of paper, plays an important role in improving the added value and market competitiveness of paper. As a dye with excellent performance, Acid Yellow 119 DYES SERIES is increasingly used in the paper industry.
Acid Yellow 119 DYES SERIES provides a bright and even yellow tint to paper. This dye has excellent color fastness and vividness, making the dyed paper more visually appealing. In the production of packaging paper, decorative paper and other products, yellow is often used as a color to express vitality, warmth and intimacy, and Acid Yellow 119 DYES SERIES can meet these needs and add unique charm to the product.
This dye range also has good water and rub resistance. This means that the dyed paper is less likely to fade when exposed to water or other liquids, while remaining color stable when rubbed or scratched. This characteristic gives Acid Yellow 119 DYES SERIES significant advantages in the production of paper products that need to withstand certain physical and chemical tests, such as label paper, anti-counterfeiting paper, etc.
In the papermaking process, the addition amount and usage method of Acid Yellow 119 DYES SERIES are also key factors affecting the quality and performance of the paper. Through precise metering and uniform mixing, it is possible to ensure that the dye is evenly distributed in the paper and avoid problems such as color spots or color differences. At the same time, a reasonable addition amount can also reduce production costs and improve economic benefits while ensuring color effects.
With the continuous advancement of science and technology and the improvement of environmental awareness, the application of Acid Yellow 119 DYES SERIES in the paper industry is also constantly expanding. For example, by combining with other functional materials, paper products with special properties can be developed, such as anti-counterfeiting label paper, color-changing paper, etc. These products not only have unique visual effects, but can also meet the needs of specific fields and inject new vitality into the development of the paper industry.
Although Acid Yellow 119 DYES SERIES has broad application prospects in the paper industry, its use may also have a certain impact on the environment. Therefore, when using these dyes, it is necessary to strictly abide by environmental protection regulations, take effective measures to reduce the discharge of waste water and waste residue, and ensure the environmental protection of the production process.
Read More
English
中文简体
.jpg?imageView2/2/format/jp2 "Acid Yellow 59")
.jpg?imageView2/2/format/jp2 "Acid Yellow 128")
Tel: +86-0571-85370188 Mobile: +86-13968156856
Fax: +86-0571-85185580 
E-mail: 
Linkedin: 
Add: Room 1004, Building 1, Hangzhou East International Business Center, No. 600 Xiasha Jinsha Avenue, Qiantang District, Hangzhou City, Zhejiang, China.
浙公网安备 33011802002162号