Natural leather is a must-have material for high-end leather shoes because it is flexible, breathable, wear-resistant, fold-resistant, beautiful, and easy to modify and shape. However, its physical properties are relatively poor, its thickness is uneven, and it is not resistant to alkali. It is also expensive, has limited resources, has a low utilization rate, and its production process is not environmentally friendly. It contains harmful substances such as chromium and formaldehyde. It is used in shoe leather, luggage leather, and ball leather. , furniture leather, automobile interior leather and other fields are gradually being replaced by artificial leather.
In recent years, high-end artificial leather produced from two-component spunbonded spunlace non-woven microfiber leather base fabric has formed a three-dimensional three-dimensional structure similar to natural leather. It is lightweight, high-strength, uniform in quality, resistant to aging, and durable. It has the characteristics of friction, anti-warping, rich and soft feel, good processing performance, high cutting rate, wide variety of varieties, etc. It surpasses genuine leather in terms of resilience, strength, waterproof, anti-mildew, cold resistance, wear resistance and other properties, and has become Ideal alternative to natural leather.
One-step method + two-component
my country is the world’s largest producer and consumer of artificial leather and synthetic leather. It has developed to a point where its output accounts for 80% of the global market share, ranking first in the world. However, my country’s current production capacity of superfiber leather is about 120 million square meters, accounting for only 3% of the total synthetic leather. , compared with Japan’s 85% to 90% proportion of microfiber artificial leather, our country is far away from it.
Overcome the disadvantages of natural leather
What is two-component spunbond spunlace non-woven microfiber leather base fabric? In fact, the two-component superfine fiber spunbond spunlace non-woven fabric uses a production process that combines filament spunbond and spunlace. Two polymers, PET/PA6, are conjugated and spun at a certain compound ratio. A new type of nonwoven fabric produced after air drafting, web laying, spunlace, drying, calendering and winding. The main process is to use hydroentanglement peeling technology in bicomponent spunbond nonwoven fabrics. The hollow orange petal-shaped ultrafine fiber filaments are spunlaceed through subsequent processes to complete fiber opening and consolidation, forming a bicomponent ultra-fine fiber. Fine fiber spunbond non-woven fabric.
“Using superfine fiber spunlace non-woven fabrics as raw materials to produce high-end artificial leather. Since it forms a denser and more complex three-dimensional structure than ordinary synthetic fibers, the leather can be made to look like the real thing, with excellent peel strength and folding resistance. The strength is greatly improved, overcoming the shortcomings of natural leather that is prone to mildew, brittleness, and low strength, and achieves excellent properties that are difficult to achieve with natural leather,” Huang Youpei said. Therefore, superfine fiber spunlace non-woven fabrics can meet the needs of shoe leather, luggage leather, sofa leather, automobile interior leather and other fields, providing a good foundation and development space for clothing leather, and is an important application field of non-woven fabrics. upgraded products.
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