C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
18/7
C04B 35/52 (2006.01) C04B 38/00 (2006.01)
Patent
CA 1217307
ABSTRACT OF THE DISCLOSURE The invention relates to a method for providing a shaped carbon article of low green or crude density and high porosity, in particular for heat insulation, by means of which it is intended to produce shaped carbon articles of actually any dimensions and configurations from comparatively inexpensive organic materials, also from waste products from the papermaking industry. Paper particles in platelet form having an average diameter of from 0.5 to 5 mm and an average thickness of from 0.01 to 1 mm and/or in strip form having an average length of from 5 to 100 mm, an average width of from 0.5 to 10 mm and an average thickness of from 0.01 to 1 mm, which include an ash content of from 0.005 to 5%, are impregnated with a carbonaceous binder, thereupon shaped to form an article and said article is then condensed, carbonized and optionally graphitized, by appropriate heat treatment.
457098
Conradty (c.) Nurnberg G.m.b.h. & Co Kg
Johnson & Hicks
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