Functionalized thin film polyamide membranes
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United States of America Patent
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Oct 1, 2013
Grant Date -
Aug 4, 2011
app pub date -
Aug 3, 2009
filing date -
Aug 5, 2008
priority date (Note) -
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Abstract
The present invention relates to a method of preparing RAFT, ATRP or NMRP functionalized thin film composite (TFC) polyamide membranes on a microporous substrate. A further aspect of the invention is the subsequent modification of the thin film composite polyamide membrane by controlled free radical polymerization (CFRP) to yield membranes having new chemical and physical properties, e.g. antifouling and/or antibacterial properties. Further aspects of the invention are the functionalized thin film composite (TFC) polyamide membranes on the microporous substrate itself and the membranes modified by controlled free radical polymerization.
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