New PU ultra-thin and ultra-soft clothing fabric

New PU ultra-thin and ultra-soft clothing fabric

Content description: 1. Cooperate with textile factories to develop ultra-thin and ultra-soft products. A new base fabric suitable for the production of synthetic leather. 2. Research, develop and screen suitable PU resin and necessary additives. 3. Design and optimize the production formula to ensure a soft and plump feel while maintaining the necessary physical and mechanical properties of garment leather when producing ultra-thin products. 4. In the production process of synthetic leather, the penetration control during the coating process is very critical. Too much penetration will cause a stiff feel, and too little penetration will cause poor adhesion. In the production of ultra-soft and ultra-thin synthetic leather, this problem is more prominent. A little more penetration will make the hand feel harder, and a little less penetration will result in poor adhesion. In order to solve this contradiction, the project team conducted small tests in the laboratory and pilot tests in the workshop. , collected a large amount of data, explored the rules, and finally solved the problem through formula modification and process parameter adjustment.

The difficulty of the project is how to ensure that the thin, soft and light base will not wrinkle, be broken or narrowed during the entire production process of about 400m, and also ensure that There is a good penetration point when applying glue. To this end, the project team first made necessary updates and modifications to the machinery and equipment according to specific requirements so that they could adapt to the smooth passage of light, thin base fabrics. In addition, the production of ultra-thin products requires high coating accuracy on the coating table. After adjusting the machine equipment, a large number of experiments were conducted on the new machine and a complete set of wet BASE production processes for ultra-thin synthetic leather was finally determined. , including printing process, roller coating process, and embossing process. The more difficult one is the embossing process.

Project innovation: In the past, the thickness of wet-processed synthetic leather was generally above 0.6mm. The thin wet-processed synthetic leather fabric developed by the project team has reached 0.4mm. The project team further developed ultra-soft and ultra-soft synthetic leather. Thin wet-process PU synthetic leather has a thickness of only 0.28mm. This product is light, thin, and soft, and also has a full, leather-like feel.

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