Heat-resisting porous membrane, hydrophilized heat-resisting...

Details Heat-resisting porous membrane, hydrophilized heat-resisting... Heat-resisting porous membrane, hydrophilized heat-resisting...

B - Operations, Transporting

01

D

B01D 71/48 (2006.01) B01D 67/00 (2006.01) B01D 71/26 (2006.01)

Patent

CA 2066119

A heat-resisting porous membrane comprises a porous polyolefin membrane having a crosslinked copolymer held on at least a part of the pore surfaces thereof, the crosslinked copolymer being composed of a monomer (A) comprising at least one multifunctional (meth)acrylate and a monomer (B) comprising at least one monofunctional (meth)acrylate having a hydrocarbon radical of 5 to 20 carbon atoms; and the heat-resisting porous membrane can be hydrophilized by additionally having a crosslinked polymer thereon. These heat-resisting porous membranes can be used in hot water for a long period of time with-out deteriorating the mechanical properties inherently possessed by the matrix of the porous membrane.

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