Understanding of fluorescent coatings in fluorescent fabrics
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Fluorescent fabric fluorescent cloth fluorescent paint
Fluorescent paint generally has 10 colors, namely bright yellow, bright green, bright orange, bright red, peach red, rose red, magenta, purple, sky blue and lake blue.
Fluorescent paint can absorb ultraviolet rays and convert it into visible light for reflection. Due to the stimulation of ultraviolet rays, the amount of reflected light increases significantly, making the color dazzling. Fluorescent paint is actually made by dissolving fluorescent dyes in resin, baking, crushing, grinding, and beating. The commonly used resin is the condensation polymer of p-toluenesulfonamide and melamine formaldehyde. The dyes used in fluorescent coatings are mainly basic dyes, such as Rhoclamine B, etc. Some phthalocyanine dyes and disperse dyes are also used.
The degree of dye fixation on the resin is the key to the weather fastness of fluorescent coatings. Because fluorescent paints are mostly used for printing T-shirts, swimsuits, etc. that are exposed to the atmosphere every day, they have to withstand the erosion test of sunlight, humidity, and seawater, and have high requirements for weather fastness. However, the fatal weakness of current fluorescent paints is precisely The weather fastness is not high (of course this is also related to the dye matrix) and further research is needed to improve it.
：Textile
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