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Title: Preparation of gas selective membranes

Gas separation membranes which possess improved characteristics as exemplified by selectivity and flux may be prepared by coating a porous organic polymer support with a solution or emulsion of a plasticizer and an organic polymer, said coating being effected at subatmospheric pressures in order to increase the penetration depth of the coating material.
Inventors:
 [1];  [1];  [2]
  1. (Hoffman Estates, IL)
  2. (Highland Park, IL)
Issue Date:
OSTI Identifier:
866620
Assignee:
UOP Inc. (Des Plaines, IL) IDO
Patent Number(s):
US 4751104
Contract Number:
AC07-82ID12422
Research Org:
UOP Inc
Country of Publication:
United States
Language:
English
Subject:
preparation; gas; selective; membranes; separation; possess; improved; characteristics; exemplified; selectivity; flux; prepared; coating; porous; organic; polymer; support; solution; emulsion; plasticizer; effected; subatmospheric; pressures; increase; penetration; depth; material; improved characteristics; coating material; atmospheric pressure; organic polymer; gas separation; separation membrane; subatmospheric pressure; separation membranes; polymer support; porous organic; penetration depth; possess improved; selective membranes; selective membrane; atmospheric pressures; /427/55/96/210/