AIST Stories No2
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11Leading the way AIST!at a glanceTerminologyClaist’s gas barrier propertiesClay crystals are platelets measuring around 1 nm in thickness. If 20,000 of these platelets are stacked in parallel in many layers, for molecules to pass through Claist, they must collide with walls 20,000 times and change their path. As a consequence of this “maze effect” which results in molecules getting lost and having trouble escaping to the other side, there are effectively no through holes and this manifests as a high barrier effect.Clay crystalsBinderJapan Matex’s Clear Matex gasketDaiwa Can’s Laclain high gas barrier food packaging materialManifestation mechanism of gas barrier properties through “maze effect”High electrical resistance; also suppresses formation of rust due to electric corrosion.Model of hydrogen tank used in a fuel cell vehicleSumitomo Seika Chemicals’ Toughclaist performance filmContributing to reduced fuel consumption and improved energy conservation through tank lightweighting and preventing gas leakage.Contributing to improved productivity of printed substrates and sensors, and ensuring safety of electrical equipment.Gas barrier performance barely degrades even if crumpled due to its self healing properties.

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