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the introductionof three new fibers

Classification of photochromic materials:

It can be divided into organic and inorganic photochromic compounds, such as spiropyran, spiroxazine, captive arginic anhydride, diaryl ethylene, azobenzene and related heterocyclic compounds. Inorganic photochromic compounds such as various oxides and metal oxides, metal halides and water mixed crystals with impurities.

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Apply to curtain, trademark logo specific parts, embroidery velvet, etc


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