Hollow fiber composite membrane for water vapor separation, method for manufacturing the same, and device including the same
AssigneesKorea Institute of Energy Research, Korea Institute of Science and Technology
InventorsJae Deok Jeon, Soon Jin Kwon, Won Kil Choi, So Jung Park
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Abstract
Provided are a hollow fiber composite membrane for water vapor separation, comprising a hollow fiber membrane including two or more pores and a coating layer in which an interfacial polymer obtained from interfacial polymerization of water-soluble monomer and an organic monomer is coated on a surface of the hollow fiber membrane, and a chemical resistant substance is introduced in the interfacial polymer, and a method for manufacturing the same.
Claims2
A hollow fiber composite membrane for water vapor separation, comprising:
- a hollow fiber membrane including two or more pores;
- and
- a coating layer in which an interfacial polymer obtained from the interfacial polymerization of a water-soluble monomer and an organic monomer is coated on a surface of the hollow fiber membrane, and a chemical resistant substance is introduced in the interfacial polymer;
- wherein the water-soluble monomer is diethylenetriamine (DETA), the organic monomer is trimesoyl chloride (TMC), and the chemical resistant substance is Engelhard titanosilicate-4 (ETS-4);
- and
- wherein the concentration of the DETA is 0.2 to 3 w/w %, the concentration of the TMC is 0.05 to 1 w/w %, and the concentration of the Engelhard titanosilicate-4 is 0.15 to 0.2 w/w %.
A method for manufacturing a hollow fiber composite membrane for water vapor separation, the method comprising:
- preparing a hollow fiber membrane including two or more pores;
- and
- forming a coating layer by dispersing a chemical resistant substance in an aqueous solution including a water-soluble monomer and an organic monomer and then coating a surface of the hollow fiber membrane with an interfacial polymer obtained by interfacially polymerizing the water-soluble monomer and the organic monomer included in the aqueous solution;
- wherein the water-soluble monomer is diethylenetriamine (DETA), the organic monomer is trimesoyl chloride (TMC), and the chemical resistant substance is Engelhard titanosilicate-4 (ETS-4);
- and wherein the concentration of the DETA is 0.2 to 3 w/w %, the concentration of the TMC is 0.05 to 1 w/w %, and the concentration of the Engelhard titanosilicate-4 is 0.15 to 0.2 w/w %.
Dependencies are inferred from the claim text.