Polysulfone separation membrane

Details Polysulfone separation membrane Polysulfone separation membrane

1990-05-22

1991-09-17

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

55 16, 55 68, 21050041, B01D 5322, B01D 7168

Patent

active

050491695

ABSTRACT:
A separation membrane comprising a soluble aromatic polysulfone having the formula --(X--Y)--, wherein X and Y comprise the constituent unit shown below, and the inherent viscosity (.eta..sub.inh) based on the value of a solution of 0.5 g of the polysulfone dissolved in 100 ml of N-methyl-2-pyrrolidone measured at 30.degree. C. is 0.4 or more: ##STR1## wherein R.sub.1 -R.sub.4 are each either H, CH.sub.3 or C.sub.2 H.sub.5, and R.sub.5 -R.sub.6 are each either H, Cl, or NO.sub.2.

REFERENCES:
patent: 4568579 (1986-02-01), Watson
patent: 4813983 (1989-03-01), Nohmi et al.
patent: 4818254 (1989-04-01), Anand et al.
patent: 4948400 (1990-08-01), Yamada et al.
patent: 4952220 (1990-08-01), Langsam et al.

Affiliated with

Also associated with

Rating

Polysulfone separation membrane does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Polysulfone separation membrane, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polysulfone separation membrane will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1914399