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A method for controlling retroreflectivity by application of a printed pattern to a retroreflective film and sheeting produced thereby
A method for controlling retroreflectivity by application of a printed pattern to a retroreflective film and sheeting produced thereby
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机译:一种通过将印刷图案施加于回射膜和由此制得的片材来控制回射率的方法
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摘要
A retroreflective sheet, which may be a beaded retroreflective sheet or a prismatic retroreflective sheet, is comprised of a substrate having a first and second surfaces with a plurality of retroreflective elements disposed on the second surface of the substrate to form the retroreflective sheet having an initial performance standard and a printed pattern disposed on the second surface, the pattern provided in an amount ranging from 30 % to about 100 % of an area of the second surface to change a performance level of the retroreflective sheet from the initial performance standard to a selected performance standard. A method for producing the retroreflective sheeting and a system for controlling the retroreflectivity of the retroreflective sheeting by altering a surface of the retroreflective sheeting is provided.
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