Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...
Patent
1978-05-04
1980-06-10
Poer, James
Compositions: coating or plastic
Coating or plastic compositions
Metal-depositing composition or substrate-sensitizing...
106 98, C04B 702
Patent
active
042071160
ABSTRACT:
A granulated absorbent material comprises cement, a clay preferably comprising sodium bentonite and an aggregate together with water, the weight ratio of cement to the total of the aggregate being in the range of 55:45 to 65:35, the ratio of clay to water being such that a mixture thereof has a viscosity in the range of 15-25 centipoises at 20.degree. C., and the quantity of water being in the range of 60-120% by weight of the dry constituents. The method of preparing the absorbent material comprises forming a paste of the constituents, hardening and drying the composition, and forming particles of the composition before, during or after hardening and drying.
REFERENCES:
patent: 2643193 (1953-06-01), Weber
patent: 2918385 (1959-12-01), Arpin et al.
patent: 3719511 (1973-03-01), Bevard et al.
Been Karl
Bontenbal Cornelis
Bepro B.V.
Poer James
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