Analysis of chemical composition of water-based synthetic leather resin

Water-based synthetic leather resin does not contain toxic organic chemical solvents. The carcass volatile during the production process is water vapor, which is not harmful to the human body and the environment, which greatly reduces the cost of environmental pollution treatment. In addition, the synthetic leather products produced by water-based polyurethane resins have no toxic residues, which fully meets the highest environmental protection requirements of synthetic leather.

Water-based synthetic leather resin Huai’an Kaiyue Technology Development Co., Ltd. water-based synthetic leather resin is divided into polyurethane emulsion for surface layer and polyurethane emulsion for foam layer. It is suitable for production and application in the following areas: clothing outerwear, bags and shoes uppers Materials, shoe lining materials, automotive interior materials, luggage, etc. The prepared product has high elasticity. Suitable for mechanical foaming dry process.

In the production of solvent-based synthetic leather, organic solvent-based polyurethane is used as the basic raw material for the production of leather base and surface layers. These organic solvents, which account for more than 60% of the entire polyurethane composition, are harmful substances, and the harm to the human body is manifold. Among them, aromatic hydrocarbon solvents such as toluene are harmful to hematopoietic organs. For long-term exposure in high-concentration environments, acute poisoning and shock may occur. Chronic poisoning will reduce platelet and white blood cells and cause corresponding diseases.

Solvents such as butanol, methyl ethyl ketone, acetone, ethyl acetate, and dimethylformamide all have considerable toxic and side effects. Among them, ethyl acetate is irritating to the eyes and mucous membranes and narcotic. In the production of solvent-based synthetic leather, The largest amount of dimethylformamide has strong irritation to the skin and eye mucous membranes. When inhaled with high concentrations of steam, it will irritate the throat and cause nausea. Frequent contact and invasion through the skin will cause liver dysfunction; Women gestating the next generation will have serious negative effects.

Water-based synthetic leather resin is not only suitable for the top coating of synthetic leather, but also can be used for the needs of different levels such as bottom coating and middle coating. Water-based synthetic leather resin is tested and compared with traditional solvent-based resins. Water-based synthetic leather has good film formation, strong adhesion, coating resistance to acid, alkali, cold, water, breathability, and resistance to flexion. The finished product has a full-feeling feel, soft and comfortable texture, and has the advantages of non-combustibility, non-toxicity, and no pollution. In particular, the peeling effect is better than that of traditional resins during production. It has reached the level of imported water-based materials in the deep test of waterproof and breathable.