Surface appearance-improving agent
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United States of America Patent
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-
Aug 7, 2001
Grant Date -
N/A
app pub date -
Dec 14, 1998
filing date -
Dec 26, 1997
priority date (Note) -
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Abstract
A material for improving the surface appearance of cementitious mouldings comprises a polyalkylene oxide compound which is selected from polypropylene oxide adducts of either polyethylene glycol or polyethylene oxide-ethylene diamine adduct, polypropylene oxide chains being attached to all terminal groups. The material may be added to a cementitious composition as an admixture or applied to the surface of a moulding which has not yet hardened.
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