Composite hollow fiber membrane and manufacturing method thereof

JP2025163062APending Publication Date: 2025-10-28UNITIKA LTD +1
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Patent Information

Application Number
JP2025120672
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-04-03
Filing Date
2025-07-17
Publication Date
2025-10-28

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Abstract

To provide a composite hollow fiber membrane which achieves both liquid-permeability of an organic solvent and inhibition performance of a solute in an organic solvent-based liquid to be treated, and to provide a manufacturing method of the composite hollow fiber membrane.SOLUTION: A composite hollow fiber membrane includes: a polyamide hollow fiber membrane having a dense layer 10 and a support layer; and a silicone layer 11. The silicone layer is provided on a surface of the dense layer.SELECTED DRAWING: Figure 4
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