Braid-reinforced hollow fiber membrane

Details Braid-reinforced hollow fiber membrane Braid-reinforced hollow fiber membrane

2007-09-11

2007-09-11

Salvatore, Lynda (Department: 1771)

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

C428S378000, C428S398000, C428S401000, C428S034100, C428S034700, C428S034600

Reexamination Certificate

active

10307369

ABSTRACT:
A braid-reinforced hollow fiber membrane which includes a reinforcing material of a tubular braid and a polymer resinous thin film coated on the surface of the reinforcing material. The polymer resinous thin film has a skin layer with micro pores having a diameter in the range from 0.01 to 1 μm and an inner layer of a sponge structure with micro pores having a diameter less than 10 μm.The hollow fiber membrane exhibits excellent mechanical strength, reliable filtration and simultaneously, good water permeability.

REFERENCES:
patent: 4385017 (1983-05-01), Joh et al.
patent: 5472607 (1995-12-01), Mailvaganam et al.

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