Composition and process for modifying gelation of alkali metal silicates
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United States of America Patent
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May 24, 1983
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N/A
app pub date -
Oct 30, 1981
filing date -
Oct 30, 1981
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Expired
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Abstract
A liquid alkali metal silicate composition comprises water, an alkali metal, e.g., sodium silicate, glyoxal, optionally a Group I-III metal salt, e.g., calcium chloride, and hydrogen peroxide, and from 0.5 to 2.0 moles of a polyhydroxy compound per mole of glyoxal used. The specific polyols are mannitol, glycerol and sucrose. This composition is easily pumpable and injectable at a temperature of 100.degree. F. or higher.
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