Molecular formula :
nature : also known as polyurethane, is diisocyanate or isocyanate and with two more hydroxy compounds generated reaction polymers its tributaries, the main chain contains many duplicate NHCOO group. Common diisocyanate with toluene diisocyanate (TDI) and diphenyl methane diisocyanate (MDI), F diisocyanate (HDI), isophorone diisocyanate (IPDI), DCH-methane diisocyanate (releasing), more and more methylene diphenyl variegata isocyanate (PAPI), benzene 2-methyl diisocyanate (XDI). According used by the different components hydroxy, polyester type can be divided into two types, the type and polyether. Used in the manufacture of plastic products, wear-resistant synthetic rubber products, synthetic fiber, hard and soft foam products, such as adhesives and coatings.
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