| 摘要 |
PURPOSE:To manufacture a photochromic outsole which is made at a low cost and has a good effect on discoloration. CONSTITUTION:A solid matter skin made of plastics including a photochromic compound is previously formed on the internal surface of the recess part of a female mold for forming an outsole, and a plastic material is allowed to foam and to be hardened in the inside thereof, and thus a desired photochromic outsole is manufactured. |
