FUMED SILICA WITH MODIFIED SURFACE ACTIVITY

Fumed silica powder, surface treated with a surface treatment agent selected from the group consisting of organosilanes, silazanes, acyclic polysiloxanes, cyclic polysiloxanes, and mixtures thereof, wherein the powder has:a) a number of silanol groups relative to BET surface area dSiOH of at least 0...

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Main Authors RENGER, TOBIAS, AUL, WOLFGANG, MÜHLIG, NINA, MENZEL, FRANK, LYGIN, ALEXANDER, LAZAR, BJÖRN, GERHARZ-KATLE, BETTINA, GIESSELER, MAREIKE, GOLCHERT, RAINER
Format Patent
LanguageEnglish
Polish
Published 11.07.2022
Subjects
ADHESIVES
CHEMISTRY
COMPOUNDS THEREOF
DYES
INORGANIC CHEMISTRY
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-METALLIC ELEMENTS
PAINTS
POLISHES
PREPARATION OF CARBON BLACK
TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
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Summary:Fumed silica powder, surface treated with a surface treatment agent selected from the group consisting of organosilanes, silazanes, acyclic polysiloxanes, cyclic polysiloxanes, and mixtures thereof, wherein the powder has:a) a number of silanol groups relative to BET surface area dSiOH of at least 0.85 SiOH/nm2, as determined by reaction with lithium aluminium hydride;b) a methanol wettability of more than 40% by volume of methanol in methanol-water mixture;c) a tamped density of not more than 200 g/L.
Bibliography:Application Number: PL20210700491T