Lightweight particulate cementitious materials and process for producing same
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United States of America Patent
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May 4, 1993
Issued Date -
N/A
app pub date -
Feb 22, 1991
filing date -
Mar 21, 1990
priority date (Note) -
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Abstract
Disclosed is a process of manufacturing a lightweight particulate cementitious composition particularly adapted to the sorption of liquids comprising adding to a foamed cement slurry a particle forming agent, and aging the treated foamed slurry for a period of time sufficient for the particles to form and harden for subsequent handling. The bulk density, particle size distribution, and concentration of the agent are selected such that the cementitious composition has the desired density and such that at least 65% of the particles obtained after aging have the desired particle size.
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