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US 2022/0161200 A1Published application
Hydrophilic composite porous membrane
AssigneeTeijin Limited
InventorsMami NAMBU, Yoshikazu IKUTA, Yu NAGAO
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Abstract
One embodiment of the present invention provides a hydrophilic composite porous membrane including: a polyolefin microporous membrane, and an olefin/vinyl alcohol-based resin with which at least one main surface and inner surfaces of pores of the polyolefin microporous membrane are coated, in which a ratio t/x of a membrane thickness t (μm) to an average pore diameter x (μm), as measured with a perm porometer, is from 50 to 630.
Claims8
A hydrophilic composite porous membrane comprising:
- a polyolefin microporous membrane;
- and
- an olefin/vinyl alcohol-based resin with which at least one main surface and inner surfaces of pores of the polyolefin microporous membrane are coated,
- wherein a ratio t/x of a membrane thickness t (μm) to an average pore diameter x (μm), as measured with a perm porometer, is from 50 to 630.
1 more element
Dependencies are inferred from the claim text.