Every company is making strenuous efforts
to improve productivity and reduce environmental load for more marketable
products. Asahipen, one of Japan’s leading paint companies, developed a
technology that allows for mirror finish on the front face by applying spray
coating on the rear face of a transparent plastic. The newly developed paint
can be sprayed in the air, and it needs only two painting processes of the
first coat and the finish coat. It is based on the self-developed aluminum
paste made of uniform imbricate aluminum that is several micrometers in size
and a nano level in thickness.
In addition to adding an additive, the
company improved the ratio between the binder and aluminum to realize a
cohesive line even with fewer additive amount of acrylic resin used as the
binder. Unlike vacuum deposition widespread in mirror production, the new
technology needs only two processes. Therefore, it will shorten the
production lead-time, reduce equipment cost, and improve yield ratio. At the same
time, because the coated film of the first coat is rather thin, the new paint
can prevent dusts from attaching and decrease the defective fraction.
Recreation facilities decided to adopt the new paint for ornamentation, and
automotive and cosmetics industries show interest in the new paint. The company
plans to market if for cosmetic containers and mobile phone cases.
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