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New Anti-fog Glass Coating Developed by U.S. University
Source :    Release time:2013-04-23

Recently, scientists in Purdue University of U.S. have developed a new glass coating which solves the problems of the difficult cleaning of sunglass lenses and the fog formation on windscreen. The material includes two layers of coating: the undercoat contains hydrophilic agent called polyethylene glycol, which is able to absorb moisture; the superstratum contains molecules similar to teflon, which is able to intercept grease. When moisture contacts with glass surface, it will congeal into a smooth thin layer instead of being drops, and grease will be kept away. Thus there will be neither dirt nor fog drops on glass surface.

Professor Youngblood points out that, except for windscreen, mirror and eyeglasses, the technology may also be used for water filter as water can pass the coating while grease can not. Based on experiment, filter with this coating may filter out 95% greases while filter without the coating may filter out only 5%.

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