Influences of surface treatment and outdoor exposure test locations to stain levels of coated fabrics -Evaluation of stain of membrane martials for membrane structures (Part. 2) -

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Publication year 1994
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Title Influences of surface treatment and outdoor exposure test locations to stain levels of coated fabrics -Evaluation of stain of membrane martials for membrane structures (Part. 2) -
Author Hiroshi Toyoda,Takuya Yamamoto,Tadashi Taga,Tsuyoshi Torii
Summary Stain degrees of six different membrane materials for membrane structures from outdoor exposure tests at seventeen different Locations in and outside Japan were evaluated by using colorimetry and scanning electron microscopy. It was found that the surface treatment with fluorocarbon-resin clearly effects stain resistance and remarkable differences in stain degrees exist for different outdoor exposure locations and that stain degrees in membrane materials are related to the suspended particulate matters in the air. The results suggest that if the data of the suspended particulate matters of a certain location are obtainedEŒstain degrees of membrane materials can be predicted in advance.