Semipermeable membranes based on certain sulfonated substituted polysulfone polymers.
摘要
<p>Semipermeable membranes comprised of certain sulfonated substituted polysulfone polymers containing the polymer repeat unit (A) or (B) as herein defined. The invention also pertains to processes for using said membranes for the selective permeation of at least one gaseous component from a mixture of gases containing said gaseous component in admixture with other gaseous components.</p>
申请公布号
EP0489431(A2)
申请公布日期
1992.06.10
申请号
EP19910120864
申请日期
1991.12.04
申请人
UNION CARBIDE INDUSTRIAL GASES TECHNOLOGY CORPORATION