| 摘要 |
PURPOSE: Photochromic accessories capable of being well preserved in its natural form without discoloration and deformation for a long period of time by fixing a reversible photochromic resin composition impregnated with natural plant to accessories are provided, which can be applied to a lighter, a bracelet or the like as well as a key ring. CONSTITUTION: In accessories impregnated with a dried natural plant into transparent synthetic resin, a composition containing 100 parts by weight of epoxy resin and 0.001 to 10 parts by weight of a reversible photochromic compound as synthetic resin is impregnated with natural plant such as a four-leaf clover. The photochromic compound is a spiropyrane-based compound, a spirooxazine compound or an alkyd-based compound.
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