常温液体による固体の漏れ測定装置の試作および洗剤水溶液-PTFE(テフロン)シート間の付着の仕事の測定

概要

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An apparatus for measurement of contact angle at solid-liquid interface at room temperature was designed using a sessile drop (SD) method. A Maximum bubble pressure (MBP) method was also applied for measurement of surface tension for liquids used in this work. Contact angle of aqueous solution containing a commercial detergent on PTFE sheet decreased from 115° to 6° with increasing the concentration of detergent in the solutions, up to 1.6vol.%. In combination with surface tension determined by the MBP method, work of adhesion for detergent solution on PTFE sheet was calculated.
2006-03-18