D-1-3 Effect of Ambient Conditions on the Static Friction Force between the Steel Roller and the Plastic Film

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  • D-1-3 周囲条件がプラスチックフィルムと鋼ローラ間の静摩擦力へ及ぼす影響

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Thin and flexible continuous mediums such as plastic films and thin metal films are called the web and that is used to make a high functional device. In recently, the web products have especially attracting attention on lithium secondary battery which is made from the web. Therefore the Roll to Roll process has been tried to fuse to technology of printed electronics for mass produce the web products. However, that challenge has not successful yet because a web defect which is called wrinkles and film meandering are often occurred in process of transporting in Roll to Roll. The web is been transporting by physical contact with many rotating roller and those defect are caused by variation of friction force acting between the web and the roller. In general, it is known to the effect of the humidity on friction characteristic from previous research and we have confirmed that condition of surrounding atmosphere affect to friction force. But it had not considered the effectiveness of the roller surface roughness that has generated a strong effect on contact of friction. Consequently, in this study, we tried to clarify the effect of change in the roller surface roughness and humidity on static friction characteristics between plastic film and steel roller

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