Gas permeable coated porous membranes

Details Gas permeable coated porous membranes Gas permeable coated porous membranes

1992-12-14

1994-02-15

Spitzer, Robert

Gas separation: processes

Selective diffusion of gases

Selective diffusion of gases through substantially solid...

96 12, 4283084, B01D 5322, B01D 6912, B01D 7150

Patent

active

052862798

ABSTRACT:
A gas permeable material having continuous pores through it, in which the pore interiors are coated with a coating composition of the formula: ##STR1## wherein B is selected from the class consisting of ##STR2## R is (--CH.sub.2 --).sub.x wherein x is a cardinal number of 1-4; Y is C.sub.n F.sub.2n+1 or ##STR3## where n is a cardinal number of 3-20 and R.sup.1 is H or alkyl of 1-4 carbon.

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ZONYL.RTM. Fluorochemical Intermediates Pamphlet, DuPont Company, May 1989.

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