Method for manufacturing foamed synthetic leather based on water-based resin and TPU (Thermoplastic Polyurethane) resin

2013 
The invention discloses a method for manufacturing foamed synthetic leather based on water-based resin and TPU (Thermoplastic Polyurethane) resin. The manufacturing method comprises the following steps: using water-based polyurethane as a facial layer and a surface treatment layer, using TPU resin as a foaming layer, using a water-based cement as a bonding layer, and obtaining the environment-friendly foamed synthetic leather through a coating transfer process. The method has the advantages that organic pollutants are thoroughly eliminated from the source, organic solvent resources are saved, potential safety hazard is eliminated, and the work environment of workers is improved. The VOC (volatile organic compound) content of a finished leather product is lower than 5 mg/kg. The foamed synthetic leather is ecological environmental friendly and meets European ecological foamed synthetic leather requirements, and the other properties of the leather can also reach or superior to the properties of solvent products.
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