发明名称 PREPARATION OF ANISOTROPIC SEMIPERMEABLE MEMBRANES OF POLYARYL ETHER/SULPHONES
摘要 Anisotropic sulphonated polyaryl ether/sulphone membranes having good salt rejection and flow rates making them particularly suitable for use in osmosis and ultrafiltration are provided by casting a solution of the polymer on a support, immersing the supported film in a coagulating bath and then recovering the film, in which:
申请公布号 IL39513(A) 申请公布日期 1975.08.31
申请号 IL19720039513 申请日期 1972.05.23
申请人 RHONE POULENC SA 发明人
分类号 B01D71/68;C08G75/23;C08J5/18;C08L81/06;(IPC1-7):B01D13/04;C08G25/00 主分类号 B01D71/68
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