CEMENT BASED TILE ADHESIVE DRY MIX COMPOSITIONS CONTAINING CROSSLINKED CELLULOSE ETHERS FOR MORTARS WITH ENHANCED GEL STRENGTH
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United States of America Patent
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Issued Date -
Sep 26, 2024
app pub date -
May 2, 2022
filing date -
May 3, 2021
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Abstract
The present invention provides dry mix compositions for cement-based tile adhesives having both improved open time and slip resistance comprising one or more gel-like crosslinked cellulose ethers containing polyether groups, preferably, a mixed cellulose ether having polyoxypropylene dioxyethylene ether crosslinks. The gel-like water-soluble crosslinked cellulose ethers containing polyether groups of the present invention are formed from low to medium viscosity cellulose ethers and contain polyether groups having from 2 to 15, or, preferably, 13 or fewer oxyalkylene groups, or, preferably, 7 or more oxyalkylene groups. The present invention also provides methods of using the dry mixes in cement-based tile adhesives.
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