Latest News and Updates on Textile Auxiliaries and Dyes

The running quality continues to be repaired, and the repair process of some indicators is slowAccording to the data of the National Bureau of Statistics, from January to November, the three-cost ratio of enterprises above designated size in the printing and dyeing industry was 6.68%, a year-on-year Read More

1 What is the network degree of silkThe product of network processing is called network wire, also known as interlaced wire, which uses compressed air flow to spray, impact and collide the tow, so that the individual filaments in the tow are irregularly intertwined, forming a good cohesion. Performa Read More

La pasta de pigmento es un semiproducto hecho de pigmentos o pigmentos y rellenos dispersos en pintura. La pasta de color aceitosa que utiliza aceite puro como adhesivo se llama colorante aceitoso. La pasta de color de resina que utiliza la pintura de resina como adhesivo se llama pasta de color de resina. La pasta de pigmento preparada mediante la adición de una dispersión de surfactante con agua como medio se denomina pasta de color a base de agua. Así como hay muchos tipos de pinturas, también hay muchos tipos de pastas de color. Para dispersar mejor los pigmentos en la pintura, a menudo se agrega una pequeña cantidad de tensioactivos y naftenato de zinc durante el proceso de fabricación. Read More

El poliéster generalmente se refiere a un compuesto polimérico obtenido por policondensación de un ácido dibásico y un diol, y sus enlaces de cadena básicos están conectados por enlaces éster. Hay muchas variedades de fibras de poliéster, como la fibra de tereftalato de polietileno (PET), la fibra de tereftalato de polibutileno (PBT) y la fibra de tereftalato de polipropileno (tereftalato de polipropileno). , PPT), fibra, etc., entre las que el contenido de tereftalato de polietileno es superior al 85%, y el peso molecular generalmente se controla entre 18.000 y 25.000. Read More

1. EquipmentThe key to avoiding the color pattern of cotton fabrics lies in the control of alkali addition. Especially in the stage of adding alkali, if there is a car entanglement, it is easy to cause color flowers. In addition, a reasonable cloth speed and pump pressure are also very important. It Read More

Reactive dyes mainly include s-triazine and vinyl sulfone types, especially vinyl sulfone type dyes, when encountering alkali, the solubility decreases and the reactivity increases sharply. . Brilliant blue KN-R is easy to aggregate and has poor solubility. Especially after adding Yuanming powder, i Read More

(5) Светлые пятна:Основная причина заключается в том, что предварительная обработка неравномерна, эффект волос на некоторых участках не очень хороший, что приводит к определенной репеллентности красителя или веществам, отталкивающим краситель, или ткань имеет кальциевое мыло, магниевое мыло и т. д. Read More

После сортировки1. По техническим характеристикам процесса отделки его можно разделить на механофизическую отделку, химическую отделку и физико-химическую отделку (комплексную отделку). 1. Физический метод Используйте влагу, тепло и механические воздействия, такие как давление и растяжение. Read More

Taking reactive dyes as an example, in theory, due to the covalent bond between dyes and fibers, washing with water cannot easily cause dye desorption, fading and bleeding. Therefore, the color fastness of reactive dyes to soaping depends on Quantity of unfixed dyes (hydrolyzed dyes and small amount Read More

1. Test method for color fastness to soapingSoaping color fastness is one of the most common color fastness assessment items. Soaping color fastness refers to the degree of fading of colored fabrics after soaping under specified conditions, which includes two evaluation contents: original fading and Read More

Brief Analysis of Economic OperationFrom January to November 2021, the printing and dyeing industry generally continued the development trend of steady recovery, and the industry production continued to improve. The output of printing and dyeing fabrics of enterprises above designated size reached a Read More

Chlorine gas is generally used as a disinfectant in tap water. Therefore, when washing clothes or swimming, the dyes in the clothes will react with a small amount of effective chlorine remaining in the tap water to degrade the dyes, resulting in changes in the color of the clothes. Dyes that are eas Read More