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geschmacksvertraegliches silica, its production and method zahnpastezusammenstellung containing these
geschmacksvertraegliches silica, its production and method zahnpastezusammenstellung containing these
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机译:耐味道的二氧化硅,其生产方法以及包含这些成分的牙膏方法
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摘要
Silica compatible with flavors, exhibiting, at an RP/DA abrasivity lower than or equal to 10, a compatibility with flavors which is higher than 10% and, at an RP/DA abrasivity higher than 10, a compatibility with flavors of at least 30%. Process for the preparation of flavor-compatible silica by treating the surface of a silica originating from the reaction of an alkali metal silicate with an inorganic or organic acidic agent, the silica being in dry form or in an aqueous suspension, with the aid of an organic compound capable of developing hydrogen bonds or ionic bonds with, respectively, the Si-OH silanol groups or the SiO- anionic groups at the surface of the said silica to be treated, the said treated silica being subsequently, if necessary, isolated and/or washed and/or dried. Use in dentifrice compositions and dentifrice compositions including the said silica.
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