Method of producing a sorptive body, particularly for eliminatin

Details Method of producing a sorptive body, particularly for eliminatin Method of producing a sorptive body, particularly for eliminatin

1982-08-31

1985-05-14

Anderson, Philip

Catalyst, solid sorbent, or support therefor: product or process

Solid sorbent

Organic

36 30A, 36 43, 264 453, 264 464, 264 53, 264DIG5, 264DIG7, 264DIG13, 4283166, 4283179, 502402, B29D 2700, B01J 2010, B01J 2020, B01J 2030

Patent

active

045173087

ABSTRACT:
The aim of the invention was to find a method of producing a sorptive body, to be used especially with objectives such as the elimination of odors and air freshening. In the invented process a granular or powdered solid component consisting of a sorptive material, e.g. active carbon, or a compound containing such a material, is mixed with a binding agent, by which it is generally fixed to a carrier substance. The essence of the invention is that at least part of the finely-ground solid component is mixed with a liquid sorbate; only then it is combined with the dissolved binding agent. In a subsequent operation heat is applied to the mixture, thereby expelling the sorbate. The heat causes pores and capillaries to form within the binding agent, thus enabling air to enter into the sorptive substances deposited in the binding agent and so effecting an increase in the active area of the surface of the body. The invented process can be applied to such products as filter mats, air fresheners, inner soles for shoes etc.

REFERENCES:
patent: 2907075 (1959-10-01), Newby
patent: 3094492 (1963-06-01), Miller et al.
patent: 3454502 (1969-07-01), Hiltgen et al.
patent: 3813347 (1974-05-01), Hayes
patent: 4051098 (1977-09-01), Takemura et al.
patent: 4155123 (1979-05-01), Popper
patent: 4235027 (1980-11-01), Singh

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