PRODUCTION OF HOLLOW FIBER MEMBRANE
PURPOSE:To produce a hollow fiber membrane having sufficient water permeabil ity and capable of sufficiently removing various bacteria or the like in drinking water. CONSTITUTION:A mixture of a thermoplastic resin such as polypropylene with a filler is molded into hollow like and is drawn in an axia...
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Zusammenfassung: | PURPOSE:To produce a hollow fiber membrane having sufficient water permeabil ity and capable of sufficiently removing various bacteria or the like in drinking water. CONSTITUTION:A mixture of a thermoplastic resin such as polypropylene with a filler is molded into hollow like and is drawn in an axial direction by 1.0-4 times linear drawing magnification at a following temp. (T1 deg.C) where T1 deg.C has a connection expressed by the inequality, Ts-110 |
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