Water-based PU Leather: Eco-friendly upgrade from traditional PU leather

In recent years, the textile and leather industries have increasingly shifted towards sustainability and environmental friendliness. This transformation is particularly evident in the transition from traditional PU leather to solvent-free, water-based PU leather. This article explores the unique characteristics and advantages of water-based PU leather, emphasizing its crucial role in enhancing environmental sustainability and product performance.

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Natural leather is a necessary upper material for high-end leather shoes due to its flexibility, breathability, abrasion resistance, folding resistance, and aesthetics, as well as its easy modification and modeling performance.

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China is a major country in the production and consumption of artificial leather and synthetic leather in the world, and has developed to account for 80% of the global market share, ranking first in the world. However, at present, China's production capacity of microfiber leather is about 120 million square meters, accounting for only 3% of the total synthetic leather, which is far from Japan's 85% to 90% proportion of superfine fiber artificial leather. It is understood that at present, the manufacturing technology of "ultra fiber leather" in China has matured. The ultra fiber leather enterprises represented by Shanghai Huafeng, Shandong Tongda, Yantai Wanhua, Wuxi Shuangxiang, Zhejiang Hexin, etc., all adopt the two-step production process of staple fiber+loosening, carding+needling to produce ultra fiber leather.

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What is a two component spunbonded spunlaced nonwoven microfiber leather substrate? In fact, the production process of bicomponent superfine fiber spunbonded spunlaced nonwoven fabric is a combination of filament spunbonded and spunlaced nonwoven fabric. Two types of high polymer PET/PA6 are produced with a certain composite ratio through conjugated spinning, air flow drafting, web laying, spunlaced, drying, calendering, and winding, resulting in a new type of nonwoven fabric