Additive building material mixtures containing microparticles whose shells are porous and/or hydrophilic
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United States of America Patent
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Issued Date -
Aug 23, 2007
app pub date -
Mar 24, 2006
filing date -
Feb 23, 2006
priority date (Note) -
Abandoned
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Abstract
The present invention relates to the use of polymeric microparticles having porous and/or hydrophilic shells in hydraulically setting building material mixtures for the purpose of enhancing their frost resistance and cyclical freeze/thaw durability.
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