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nature : a concentration of poor-driven membrane. Under the separation of the solute particle size, require dialysis membrane is suited to the uniform pore size of porous. The membrane pore size of 1 μ m of the organic polymer membranes is a category without charge porous membrane, the key to the artificial kidney dialysis cellulose membrane. Preparation of materials used are copper ammonia regenerated cellulose, cellulose acetate, poly acrylonitrile, ethylene-vinyl alcohol copolymer, as well as polymethyl methacrylate, polysulfone, such as polyacrylamide.
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