Production of carbonaceous porous bodies for use in...

Details Production of carbonaceous porous bodies for use in... Production of carbonaceous porous bodies for use in...

B - Operations, Transporting

01

J

B01J 20/30 (2006.01) A62D 9/00 (2006.01) C01B 31/02 (2006.01)

Patent

CA 2640893

A porous, carbonaceous body for use in respiratory protection is produced by making a slurry of carbonaceous powder such as carbon black, a polymeric binder such as polyvinyl alcohol and a solvent, drying and grinding the slurry to yield a ground powder, compacting the powder and heat treating the resulting green body. Alternatively, the slurry is only partially dried to produce a paste, which is compacted and then heat treated. A reactive monomer (plasticizer of cross-linking agent) can be added to the polymeric binder.

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