EVALUATION OF DIRT-REPELLENT PROPERTY AND DURABILITY OF MEMBRANE MATERIALS BY USING TITANIUM DIOXIDE PHOTOCATALYST -Evaluation of stain of membrane materials for membrane structures (Part.6)-

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Publication year 1998
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Title EVALUATION OF DIRT-REPELLENT PROPERTY AND DURABILITY OF MEMBRANE MATERIALS BY USING TITANIUM DIOXIDE PHOTOCATALYST -Evaluation of stain of membrane materials for membrane structures (Part.6)-
Author Hiroshi Toyoda,Tsuyoshi Torii
Summary Outdoor exposure test were being continued for the evaluation of the dirt-repellent property of PTFE-or PVC-coated fabrics treated with titanium dioxide photocatalyst. The fabrics which have been top-coated with titanium dioxide were maintaining their excellent dirt-repellent property over a 2-years-outdoor-exposure tests period. The accelerated exposure tests for PVC-coated polyester fabrics for tent warehouse both with a top-coat of titanium dioxide and without any surface treatment were conducted. When titanium dioxide was treated onto PVCEŒdurability of PVC-coated fabrics improved. This result suggested that titanium dioxide layer absorbed ultra violet ray less than 400nm and protected PVC against ultra violet ray.