Polyvinyl alcohol hydrogel and process for producing the same

Details Polyvinyl alcohol hydrogel and process for producing the same Polyvinyl alcohol hydrogel and process for producing the same

1997-11-20

2000-10-31

Seidleck, James J.

Stock material or miscellaneous articles

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

Particulate matter

523210, 523223, 524503, B32B 1502

Patent

active

061399639

ABSTRACT:
A polyvinyl alcohol hydrogel has a surface layer comprising a net-like structure formed by entanglement of fiber-like articles having a diameter of 0.1 to 50 .mu.m. This gel has a large surface area and high capability of adhering microorganisms and permeating liquid, thereby exhibiting excellent purifying function. Processes for producing the above hydrogel are also provided.

REFERENCES:
patent: 5840423 (1998-11-01), Sano et al.
Derwent Abstracts, JP 9 124 731, May 13, 1997.
Derwent Abstracts, JP 7 247 365, Sep. 26, 1995.

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