Synthetic leather is manmade fabric made from PVC or PU (polyurethane), which is dried and heated to resemble real leather. Also known as faux leather, it is less expensive and more easily adaptable than real leather made from animal skin such as cattle, goats, pigs, crocodiles, and horses. Millions of square meters of textile material are usually coated with polyurethane every year, so as to lend it a leather-like character. The first step in the formation of PU synthetic leather is the coagulation process in which woven or non-woven fabric is coated with polyurethane polymerized paste or dissolved in DMF, then passed through water baths with reduced DMF concentrations, and finally through pure water. In this process, the water converts the PU-based paste into a very thin layer of micro porous sponge. The precipitation occurs slowly, with water penetrating into the layer and displacing the DMF solvent. Toxic DMF from the processed water is recovered via distillation. Browse ...
“Knowledge is Power” as we all have known but in today’s time that is not sufficient, the right Solution of knowledge is Intelligence.