Treatment of particulate carbon with biocompatible polymer

Details Treatment of particulate carbon with biocompatible polymer Treatment of particulate carbon with biocompatible polymer

C - Chemistry, Metallurgy

01

B

252/24

C01B 31/08 (2006.01) A61M 1/36 (2006.01)

Patent

CA 1060728

ABSTRACT Particulate porous sorptive carbon is coated with a biocompatible polymer to give a thin ( e.g. 1-10 micron) smooth permeable coating without plugging the pores. The resulting material is free from fines and surface debris and useful for haemoperfusion. Coating is best effected by spraying hot washed carbon granules, free from fines and in rapid movement with a solution of polymer (e.g. polyHEMA) so as to bring about rapid evaporation and a coating weight preferably of up to 20% usually 0.25% to 5%.

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