Hydraulic cement additives and hydraulic cement compositions containing same
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United States of America Patent
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Oct 2, 1990
Issued Date -
N/A
app pub date -
Nov 23, 1987
filing date -
Dec 9, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Hydraulic cement compositions are disclosed containing a hydraulic cement and a graft copolymer, the graft copolymer containing a polyether backbone and side chains prepared by polymerization of an ethylenically unsaturated monomers. The graft copolymer functions as a plasticizer in the cement composition.
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