C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
18/14
C08J 5/22 (2006.01) B01D 67/00 (2006.01)
Patent
CA 1313441
ABSTRACT OF THE DISCLOSURE A hydrophilic porous membrane has graft chains of a hydrophilic monomer formed on the surface of a hydrophobic porous membrane so as to impart to the surface perfect hydrophilicity such that the produced membrane, when wetted, exhibits a swelling ratio of not more than 1% and a bubble point in the range of 0.5 to 8 kg/cm2. The hydrophilic porous membrane is produced by irradiating the hydrophobic porous membrane with plasma, feeding the hydrophilic monomer in a gaseous state, and allowing the hydrophilic monomer to be graft polymerized on the surface of the porous membrane. A plasma separator is obtained by using the aforementioned hydrophilic porous membrane as a plasma separation membrane.
536428
Hirasa Okihiko
Masuoka Toshio
Onishi Makoto
Seita Yukio
Suda Yoshio
Agency Of Industrial Science And Technology Ministry Of International Trade And Industry
Macrae & Co.
Terumo Kabushiki Kaisha Trading As Terumo Corporation
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