Lignosulfonates, oxycarboxylates, polycarboxylates, and polyoxalklene, alkylaryl and alkyl ethers admixtures for ultra-dry mix concrete
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United States of America Patent
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Feb 4, 1992
Issued Date -
N/A
app pub date -
Jan 24, 1991
filing date -
Jan 20, 1988
priority date (Note) -
Expired
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Abstract
An admixture for ultra-dry-mix concrete is disclosed containing one or more varieties of cement dispersing agents (A) selected from a group consisting of lignosulfonates, oxycarboxylates and polycarboxylates, and in addition, containing one or more varieties of nonionic surface-active agents (B) selected from a group consisting of polyoxyalkylene alkylaryl and alkyl ethers with a hydrophilic-lipophilic balance (HLB-value) of 8 to 17.
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