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A platform for research: civil engineering, architecture and urbanism
Composiciones cementosas adhesivas de baldosas y éteres de celulosa reticulados para morteros con mejor resistencia del gel
Una composición de mezcla seca para uso en la fabricación de adhesivos cementosos de baldosas o morteros, que comprende 20 a 35% en peso de cemento portland ordinario, 64,7 a 79,9% en peso de arena o una carga inorgánica y uno o más éteres de celulosa reticulados que contienen grupos poliéter en el agente de reticulación en la cantidad de 0,12 a 0,6% en peso de sólidos totales.
The present invention provides cementitious tile adhesives comprising ordinary Portland cement, sand or another inorganic filler, and from 0.12 to 0.6 wt. % of total solids of one or more polyether group containing crosslinked cellulose ethers. The present invention also provides methods of making the polyether group containing crosslinked cellulose ethers comprising crosslinking a cellulose ether at 90° C. or less, in an inert atmosphere, e.g. nitrogen, in the presence of a polyether group containing crosslinking agent and in the presence of alkali; the process may comprise part of a stepwise addition process of making of a cellulose ether itself in which the crosslinking of the cellulose ethers precedes at least one addition of alkyl halide or alkylene oxide to form, respectively, alkyl or hydroxyalkyl groups on the cellulose.
Composiciones cementosas adhesivas de baldosas y éteres de celulosa reticulados para morteros con mejor resistencia del gel
Una composición de mezcla seca para uso en la fabricación de adhesivos cementosos de baldosas o morteros, que comprende 20 a 35% en peso de cemento portland ordinario, 64,7 a 79,9% en peso de arena o una carga inorgánica y uno o más éteres de celulosa reticulados que contienen grupos poliéter en el agente de reticulación en la cantidad de 0,12 a 0,6% en peso de sólidos totales.
The present invention provides cementitious tile adhesives comprising ordinary Portland cement, sand or another inorganic filler, and from 0.12 to 0.6 wt. % of total solids of one or more polyether group containing crosslinked cellulose ethers. The present invention also provides methods of making the polyether group containing crosslinked cellulose ethers comprising crosslinking a cellulose ether at 90° C. or less, in an inert atmosphere, e.g. nitrogen, in the presence of a polyether group containing crosslinking agent and in the presence of alkali; the process may comprise part of a stepwise addition process of making of a cellulose ether itself in which the crosslinking of the cellulose ethers precedes at least one addition of alkyl halide or alkylene oxide to form, respectively, alkyl or hydroxyalkyl groups on the cellulose.
Composiciones cementosas adhesivas de baldosas y éteres de celulosa reticulados para morteros con mejor resistencia del gel
HILD ALEXANDRA (author) / NEUBAUER JOERG (author) / BRECKWOLDT JOERN (author)
2020-06-10
Patent
Electronic Resource
Spanish
| European Patent Office | 2023