Hydrophilic porous material sterilizable with gamma-ray

Details Hydrophilic porous material sterilizable with gamma-ray Hydrophilic porous material sterilizable with gamma-ray

1991-06-17

1993-01-19

Dawson, Robert A.

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

21050035, 21050036, 4283157, 521 54, B01D 2900, B01D 3900

Patent

active

051804921

ABSTRACT:
A .gamma.-ray-sterilizable hydrophilic porous material has been found which includes a continuous layer made of a synthetic polymer compound forming a porous substrate and a hydrophilic and .gamma.-ray-resistant polymer supported on at least part of the surface of the porous substrate in an amount not less than 5% by weight, based on the porous substrate. The hydrophilic porous material has an average pore diameter in the range of 0.02 to 20 .mu.m, a porosity in the range of 10 to 90% and a wall thickness in the range of 10 .mu.m to 5.0 mm.

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patent: 5028332 (1991-07-01), Ohnishi

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