Dry mortars with improved processing properties
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United States of America Patent
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Dec 9, 2003
Grant Date -
Nov 7, 2002
app pub date -
Feb 28, 2002
filing date -
Mar 1, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention provides cementitious dry mortars comprising a) from 0.5 to 80% by weight of cement, b) from 0 to 97% by weight of fillers, c) from 0 to 3.5% by weight of thickeners, wherein a polymer powder composition is present, with d) from 1.0 to 80% by weight of redispersible polymer powder, e) from 0.02 to 4.0% by weight of one or more compounds from the group consisting of zinc oxide, zinc hydroxide, and zinc hydroxide carbonate, f) from 0 to 30% by weight of alkali metal hydroxide and/or alkaline earth metal hydroxide, based in each case on the overall weight of the dry mortar, the percentages by weight adding up to 100% by weight.
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