Dialysis membrane made of polysaccharide ether

Details Dialysis membrane made of polysaccharide ether Dialysis membrane made of polysaccharide ether

1991-05-31

1992-12-15

Spear, Frank

Liquid purification or separation

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21050029, B01D 7122

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active

051714442

ABSTRACT:
Dialysis membrane for hemodialysis in the form of membrane films, tubular films, or hollow filaments made of polysaccharide ethers, are characterized by the fact that the polysaccharide ether has a structure shown by the formula ##STR1## in which Cell is the skeleton of the unmodified cellulose molecule or of the chitin molecule, without hydroxyl groups in each case, s is 3 in the unmodified cellulose molecule and 2 in the chitin molecule, and x corresponds to the degree of etherification, which is in the range from 0.08 to (s-0.4).

REFERENCES:
patent: 4962140 (1990-10-01), Diamantoglou
Chemical Abstract-vol. 111, 1989, ref. 25217z.

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