Plastic molded product having photochromic characteristic and/or polarizing characteristics
AssigneeMitsubishi Gas Chemical Company, Inc.
InventorsChiharu Nishizawa, Kenji Kouno
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Abstract
A plastic molded article laminated a layer with a photochromic property and/or a layer with a polarization property on at least one side of a base material, said base material being a polycarbonate having a photoelastic constant of 55×10−12 m2/N or below.
Claims12
A plastic molded article comprising a synthetic resin laminate having two transparent synthetic resin layers and a resin layer with a photochromic property containing a photochromic pigment(s) and/or a resin layer with a polarization property comprising a polarizing film interposed between said two transparent synthetic resin layers laminated on at least one side of a base material, said base material being a polycarbonate having a photoelastic constant of 55×10−12 m2/N or below obtained by a melt transesterification process in the presence of a dihydroxy compound(s) and a carbonic acid ester.
Dependencies are inferred from the claim text.