专利检索 ap:("DOW GLOBAL TECHNOLOGIES INC.") AND inv:"MICKOLS, William Edward" 第 1 页

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发明公开
REVERSE OSMOSIS MEMBRANE WITH BRANCHED POLY(ALKYLENE OXIDE) MODIFIED ANTIFOULING SURFACE 审中-公开
标题翻译：具有改性的支链聚（环氧烷）表面ROT用于预防反渗透膜

公开(公告)号：EP2021107A2

公开(公告)日：2009-02-11

申请号：EP07760371.0

申请日：2007-04-10

申请人： DOW GLOBAL TECHNOLOGIES INC.

发明人： NIU, Jason, Q. , MICKOLS, William Edward

IPC分类号： B01D61/02 , B01D65/08 , B01D71/56 , B01D69/12

CPC分类号： B01D69/125 , B01D61/025 , B01D67/0093 , B01D71/56 , B01D2323/30 , B01D2325/34 , Y02A20/131

摘要： Composite membranes that exhibit long-term resistance to biofouling comprise a porous support and a crosslinked polyamide discriminating layer having an external surface, the discriminating layer comprising a branched poly(alkylene oxide) (PAO) polymer attached to its external surface. The branched PAO polymer typically has the structure of a molecular comb or brush, and is made by polymerization of a PAO macromonomer of the following formula: RO-[(CHR') n -O] m -V in which R is hydrogen or a C 1-20 aliphatic or aromatic group, V is any group containing a polymerizable site, each R' is independently hydrogen or a short chain alkyl group, n is an integer of 1-6, and m is an integer of 1 to about 200. The alpha end group can be either polymerized or copolymerized.