Coating processes – Particles – flakes – or granules coated or encapsulated – Inorganic base
Patent
1984-06-25
1985-09-03
Lusignan, Michael R.
Coating processes
Particles, flakes, or granules coated or encapsulated
Inorganic base
427221, 427227, 427228, 427379, 427382, 4274071, 427411, B05D 700
Patent
active
045392293
ABSTRACT:
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 paper-making industry. According to the invention, this is done in that 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, in that the paper particles are thereupon shaped to form an article and said article is then through a corresponding temperature treatment condensed, carbonized and optionally graphitized.
REFERENCES:
patent: 3649196 (1972-03-01), Degginger
patent: 3998689 (1976-12-01), Kitago et al.
patent: 4234650 (1980-11-01), Schieber
patent: 4396669 (1983-08-01), Cariou
Bell Janyce A.
C. Conradty Nurnberg GmbH & Co KG
Lusignan Michael R.
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