Lightweight hydrogel-bound aggregate shapes and process for producing same
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United States of America Patent
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-
Oct 16, 1990
Issued Date -
N/A
app pub date -
Nov 18, 1988
filing date -
Dec 2, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Hydrogel-bound aggregate lightweight building materials, such as blocks for use in replacement of lightweight concrete or extruded clay blocks, prepared by expanding and drying a foamable composition containing precursors for an alkali metal aluminosilicate hydrogel, fine grain particulate aggregates, and a viscosity-reducing agent sufficient to result in a starting slurry composition viscosity of less than 40,000 cps at a solids content of 70% by weight or greater.
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