C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 5/26 (2006.01) A45D 31/00 (2006.01) A63H 33/22 (2006.01) B05D 5/06 (2006.01) B44F 1/10 (2006.01)
Patent
CA 2073142
A thermochromic laminate member capable of reversible change from a metallic luster color to a colorless state, comprises a first layer for regulating the wavelength of reflected light, composed of a metal luster pigment, which consists of natural mica surfacially covered with titanium oxide and has a grain size of 5 to 100 µm, and a film forming material; and a second layer composed of a thermochromic material, which consists of an electron donating compound, an electron accepting compound, and an organic medium enabling a reversible color-forming reaction between said compounds and has a luminocity value of 6 or lower in the colored state and a luminocity value of 8 or higher in the colorless state, and a film forming material.
Shibahashi Yutaka
Yasuda Michiyuki
Macrae & Co.
The Pilot Ink Co. Ltd.
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