| 摘要 |
PURPOSE: An insole of footwear is provided, which makes the hardness partially different, obtains antibiotic function, and maintains comfortable feeling. CONSTITUTION: An insole of footwear comprises a central part(1) and an outer part(3). The insole of the footwear is made of the polyurethane gel material. The central part is formed by mixing polyol, 0.05-2 wt.% of nano silver powder with a diameter of 50-100nm, and 25-45wt.% of isocyanate and curing the mixture. The outer part is formed by mixing polyol, 0.05-2 wt.% of nano silver powder with a diameter of 50-100nm, and 20-45wt.% of isocyanate and curing the mixture in a gel phase.
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