PULVERULENT ACCELERATOR
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United States of America Patent
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Issued Date -
Jun 4, 2015
app pub date -
Apr 30, 2013
filing date -
May 29, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
The invention concerns a solid composition comprising calcium silicate hydrate and at least one water-soluble cationic (co)polymer. Additionally, a process for producing the compositions, in which an aqueous suspension of calcium silicate hydrate, preferably suitable as a setting and curing accelerator for (portland)cement-containing binder systems, is contacted with at least one cationic (co)polymer and the product is dried. Also concerned is the use as setting accelerator in preferably (portland)cement-containing building material mixtures and as grinding assistant in the production of (portland) cement. The invention further concerned building material mixtures comprising the solid compositions of the invention.
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