Method of manufacturing heat insulating aggregates or pellets an

Details Method of manufacturing heat insulating aggregates or pellets an Method of manufacturing heat insulating aggregates or pellets an

1983-12-09

1985-07-09

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 93, 106 99, 106288B, 427212, 427317, 427421, 428403, 252 62, C04B 1904

Patent

active

045280371

ABSTRACT:
A process for manufacturing stabilized elementary particles of lignocellulose material includes, in sequence, the following operations: mechanically reducing with a cutter, crushing with a hammer mill, grading, subjecting to heat treatment by passage in a rotary furnace at a temperature decreasing from 800.degree. C. to 75.degree. C., subjecting to chemical impregnation-absorption-precipitation treatment by successive actions on a hot product and by spraying of a soluble calcium salt and a silicate, drying, and stabilizing. The invention finds use in the fields of construction, agriculture, horticulture, and related fields.

REFERENCES:
patent: 2377484 (1945-06-01), Elmendorf
patent: 3748160 (1973-07-01), Carbajal
patent: 4166749 (1979-09-01), Sterrett et al.

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