| 摘要 |
PROBLEM TO BE SOLVED: To provide an antifogging window glass which makes it easy to ensure a field of view through a widow in winter in which temperature difference between the inside and outside of a room becomes larger, particularly even in a cold district which becomes a subfreezing environment, and which is suitable for use especially as a vehicle window. SOLUTION: The antifogging glass includes a glass base material and a film brought into close contact with the glass base material, wherein the film comprises a polyurethane which takes on water-absorbing property and hydrophilicity, the polyurethane has an oxyethylene chain, and the contact angle of a water droplet to the film is≤40°in a state where the film does not absorb water. COPYRIGHT: (C)2009,JPO&INPIT
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