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According to the latest information, affected by the continuous raging epidemic, all parts of East China have recently upgraded prevention and control measures, announcing the temporary closure of expressway exits and service areas.Either "can't make an appointment with the driver", or "have an appo Read More
Tal vez, nunca supiste de los tintes de plantas, o sabías que algunas plantas y alimentos se pueden teñir, como el añil, la cebolla, la morera, el aguacate, etc., pero quizás no creas que existen tantos tipos de plantas y tintes naturales. que se puede teñir, el color será tan rico. Read More
Perhaps, you never knew about plant dyeing, or you knew that some plants and food can be dyed, such as indigo, onion, mulberry, avocado, etc., but you may not believe that there are so many types of plants and natural dyes that can be dyed , the color will be so rich. Read More
Acid dyes, direct dyes and reactive dyes are all water-soluble dyes, and the output in 2001 was 30,000 tons, 20,000 tons and 45,000 tons respectively. However, for a long time, my country's dye enterprises have paid more attention to the development and research of new structural dyes, while the res Read More
Migrating after dyeing means that after polyester is dyed with disperse dyes, when treated at high temperature (such as heat setting), disperse dyes can produce a kind of thermal migration due to the influence of additives. Thermal migration is a redistribution phenomenon of disperse dyes in two-pha Read More
The recent overseas situation is not optimistic. BASF declared force majeure, Mitsui Chemicals closed its factories, and the supply of various chemicals plummeted.BASF: The 400,000-ton/year MDI unit at the Geismar plant in North America suffered from an unexpected equipment failure that affected the Read More
2.3 Choose the right dyeing processThe dyeing process has a great influence on the color fastness of the dyed product. For example: Improper chemical materials, hydrolysis of dyes, and excessively hard water quality, resulting in dye aggregation and precipitation; improper color-fixing conditions, l Read More
La selección del tinte es un vínculo importante en el diseño del proceso, que no solo afecta la calidad de los productos teñidos, sino que también afecta directamente el costo del producto y los beneficios económicos. La selección de las categorías de tinte generalmente debe basarse en factores como Read More
Dye selection is an important link in process design, which not only affects the quality of dyed products, but also directly affects product cost and economic benefits. Read More
1. Reactive dye mass fractionThe polyester-cotton fabrics were dyed with disperse golden yellow/reactive yellow, disperse blue/reactive blue and disperse red/reactive red respectively. Disperse dye 1% (omf), NaCl 30g/L, 130℃ for 40min, the effect of neutral fixation reactive dye mass fraction on K/S Read More
One-bath dyeing and anti-ultraviolet finishing of polyester-cotton fabrics with disperse dyes/reactive dyes and neutral fixation/ultraviolet absorbers. The effects of dyes, sodium chloride, benzyl alcohol and UV absorbers, as well as temperature and time on the K/S value and UV resistance of polyest Read More
1.1 Fixed-length titer unitDenier (D): Refers to the weight in grams of a 9000-meter-long fiber or yarn at a given moisture regain. For example: 1500D polyester raw silk means that the raw silk is measured 9000 meters, and its weight is 1500 grams. Others follow and so on.Special number (tex): also Read More
