Thermochromic pigments in plastics typically appear as microcapsules containing leuco-dye, color developers, and temperature controllers. Key features of thermochromic pigments include their ability to create dynamic, color-changing effects, enhance aesthetic appeal, and provide functional benefits such as temperature indication. They are suitable for applications in packaging, automotive interiors, consumer electronics, and textiles.
Alternatives to thermochromic pigments include photochromic and electrochromic pigments. Sub-types include liquid crystal-based and leuco dye-based pigments.
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GWFC -15 by New Color Chemical is a special effect thermochromic pigment. It allows for a visual response to changes in temperature. It is composed of microcapsules that change color reversibly. When the temperature is raised to a specified temperature the pigment goes from colored to colorless. The color returns to the original color as the pigment is cooled down. Its particle size is less than 6 microns (97%). The color and temperature can be selected by the user. It can withstand heat up to 280°C. It is non-toxic, harmless, non-radioactive and has good chemical stability. It is compatible with rubbers. GWFC -15 is used in plastic cups, packaging containers, kitchen appliances, drinking straws, baby feeding spoons, ice cream spoons and drink stirrers / swizzle sticks.
GWFY -02 by New Color Chemical is a special effect thermochromic pigment. It allows for a visual response to changes in temperature. It is composed of microcapsules that change color reversibly. When the temperature is raised to a specified temperature the pigment goes from colored to colorless. The color returns to the original color as the pigment is cooled down. Its particle size is less than 6 microns (97%). The color and temperature can be selected by the user. It can withstand heat up to 280°C. It is non-toxic, harmless, non-radioactive and has good chemical stability. It is compatible with rubbers. GWFY -02 is used in plastic cups, packaging containers, kitchen appliances, drinking straws, baby feeding spoons, ice cream spoons and drink stirrers / swizzle sticks.
GWFGG -10 by New Color Chemical is a special effect thermochromic pigment. It allows for a visual response to changes in temperature. It is composed of microcapsules that change color reversibly. When the temperature is raised to a specified temperature the pigment goes from colored to colorless. The color returns to the original color as the pigment is cooled down. Its particle size is less than 6 microns (97%). The color and temperature can be selected by the user. It can withstand heat up to 280°C. It is non-toxic, harmless, non-radioactive and has good chemical stability. It is compatible with rubbers. GWFGG -10 is used in plastic cups, packaging containers, kitchen appliances, drinking straws, baby feeding spoons, ice cream spoons and drink stirrers / swizzle sticks.
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