Gas permeable coated porous membranes

Details Gas permeable coated porous membranes Gas permeable coated porous membranes

1993-07-30

1994-08-30

Spitzer, Robert

Gas separation: apparatus

Apparatus for selective diffusion of gases

Plural layers

96 14, 55524, 4283084, 428412, 428433, 428480, B01D 5322, B01D 6912

Patent

active

053424344

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## and R is (--CH.sub.2 --).sub.x wherein x is a cardinal number of 1-4;
Y i s 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.

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