| 摘要 |
PURPOSE: A photochromic golf ball is provided which reversibly changes from an initial white color to a different color, which is brighter and clearer than white, according to exposure to sunlight, thereby enabling players to easily recognize their own balls, offering increased visibility of the ball from a great distance to thus reduce the risk of loss for balls, and enhancing playing performance by allowing the players to be more attentive to the play. CONSTITUTION: The golf ball(1) comprises: a core(2); a cover layer(3) enclosing the core(2); a transparent pigment layer(4) applied on the cover layer(3); and a plurality of dimples(5) provided on the outer surface of the cover layer(3). The cover layer(3) or the transparent pigment layer(4) contains an effective amount of a photochromic compound.
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