UV changeable color mask
An UV changeable color mask includes an inner layer, an outer layer formed on the inner layer, wherein a main body of the outer layer is a nonwoven, wherein a thermochromic dye is implanted into the outer layer to form a nonwoven outer layer to show color of the mask based-on temperature.
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | An UV changeable color mask includes an inner layer, an outer layer formed on the inner layer, wherein a main body of the outer layer is a nonwoven, wherein a thermochromic dye is implanted into the outer layer to form a nonwoven outer layer to show color of the mask based-on temperature. |
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