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发明名称
逆渗透膜,逆渗透膜装置及逆渗透膜之亲水化处理方法
摘要
本发明提供能更长期维持穿透性能之逆渗透膜、及逆渗透膜装置、以及逆渗透膜之亲水化处理方法。详言之,;逆渗透膜,系附着有聚乙烯醇(PVA)之逆渗透膜,而其特征为:该聚乙烯醇系离子性聚乙烯醇。较佳为经使逆渗透膜附着阳离子性PVA后,再使阴离子性PVA附着。更佳为,使前述逆渗透膜再附着PVA以外的离子性高分子。逆渗透膜装置,系具备有该逆渗透膜者。逆渗透膜之亲水化处理方法之特征在于使逆渗透膜接触离子性聚乙烯醇。
申请公布号
TWI451902
申请公布日期
2014.09.11
申请号
TW097137610
申请日期
2008.09.30
申请人
栗田工业股份有限公司 日本
发明人
田中有;大泽公伸
分类号
B01D67/00;B01D61/02
主分类号
B01D67/00
代理机构
代理人
林志刚 台北市中山区南京东路2段125号7楼
主权项
一种逆渗透膜,系附着有离子性聚乙烯醇及离子性聚乙烯醇以外之离子性高分子之逆渗透膜,其特征为:(a)附着阳离子性高分子于逆渗透膜后,再附着阴离子性聚乙烯醇、或(b)附着阳离子性聚乙烯醇于逆渗透膜后,再附着阴离子性高分子。
地址
日本
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