Силиконовая защитная пленка представляет собой разновидность вязкой защитной пленки из ПЭТ. Как правило, на пленку-основу наносится силиконовое покрытие, которое после отверждения прикрепляется к разделительной пленке (силиконовая защитная пленка с низкой вязкостью может быть прикреплена к оригиналь Read More
1. Test method for color fastness to lightThe light fastness test refers to placing the textile samples together with a set of blue wool standard samples under the artificial light source and exposing them to the specified conditions, and then comparing the two colors to evaluate the color fastness. Read More
Watermark means that the dyed semi-finished products are dripped or splashed with water droplets before dyeing, in the process of dyeing and fixing and after dyeing, so that the dyes and chemical auxiliaries on the fabrics that are dripped and splashed with water droplets are diluted and destroyed, 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
1. Methods and ways to improve the color fixing rateImproving the fixation rate of reactive dyes can be considered from the selection of dyes and the dyeing process: dyes with high directness and low reactivity have a large amount of adsorption by fibers and are not easy to be hydrolyzed. Fixation r 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
01Распространенные проблемы качества при окраске и отделке хлопкаПроблемы с качеством, которые часто возникают в процессе окраски и отделки хлопчатобумажных трикотажных тканей, проявляются в четырех аспектах:1. Такие проблемы, как цветовой рисунок, цветовая разница и плохая стойкость цвета, часто во Read More
① Количество H2O2 и NaOH должно быть достаточнымH202: после предварительной обработки он не только играет роль отбеливающего пигмента, но и удаляет загрязнения (включая удаление шелухи хлопкового семени).Количество H202 недостаточно (включая слишком быстрое разложение), и белизна не может быть г Read More
The dyeing and printing difficulties of spandex-containing textiles are more difficult than other textiles. On the one hand, spandex is easily damaged during dyeing and printing, and on the other hand, due to the special chemical structure of spandex, there is currently no ideal dye for it. Dyeing a Read More
1. The color and light problem of the dye itselfAt present, there are quite a lot of dye manufacturers, both domestic and foreign. The quality of denim production is also unstable. The quality of different manufacturers is different. The same dyeing factory produces different batches, and the shades Read More
