Technology
Teijin Chemicals developed a highly scratch-resistant
polycarbonate resin. The new product increased the surface hardness from 2B to
H in the pencil hardness. The hardness H is the highest level of hardness for a
polycarbonate resin. It eliminates the necessity of such surface treatment as
paint application and hard coating. Although higher in price than the existing
products, it will help reduce the total cost of a product because the surface
treatment process is eliminated. The company will put it on the market coming
autumn.
The company reviewed the molecular design
of the polymer and increased the hardness without impairing the characteristics
of the existing polycarbonate resin, such as transparency and impact
resistance. It is more shapable with a higher degree of fluidity than the
existing products, making it suitable for thin-wall molding. In addition, it is
characterized not by fragile breaking that scatters fragments on impact but by
ductile breaking that tears off a product. The company plans to apply it to
vehicle interior, office automation equipment, and housing of PC and
smartphone. The new product scheduled to be available also in film and sheet in
the future. The company plans to increase the production capacity to 500 tons
per year starting in 2016.
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