Use in a hydraulic binder composition of a dry-ground calcium carbonate with a copolymer of (meth)acrylic acid and an alkoxy or hydroxy polyalkyleneglycol group
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United States of America Patent
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May 21, 2013
Grant Date -
Sep 13, 2012
app pub date -
May 23, 2012
filing date -
Mar 5, 2007
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Abstract
Provided are a method of dry-grinding calcium carbonate in the presence of a grinding aid agent which is a copolymer of (meth)acrylic acid with a monomer containing an alkoxy or hydroxy polyalkyleneglycol group, and a method of producing a hydraulic binder base including dry grinding a calcium carbonate in the presence of the grinding aid.
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