Hydrophilic silica for sealing compounds

Hydrophilic precipitated silica (I) with an equilibrium moisture content of 0.5-5.0 wt% (at 20[deg]C and 70% RH), a BET surface of 50-250 m 2>/g. a CTAB surface of 50-250 m 2>/g and a DBP number (anhydrous) of 200-350 g/100 g. Independent claims are included for (1) a method for the production...

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Main Authors KEMPF, MICHAEL, SCHOLZ, MARIO, ALLERDISSE, RENE, KUHN, DIETER, RUF, MARKUS, PANZ, CHRISTIAN, OBLADEN, HELGA, MEIER, KARL
Format Patent
LanguageEnglish
French
German
Published 28.11.2007
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Abstract Hydrophilic precipitated silica (I) with an equilibrium moisture content of 0.5-5.0 wt% (at 20[deg]C and 70% RH), a BET surface of 50-250 m 2>/g. a CTAB surface of 50-250 m 2>/g and a DBP number (anhydrous) of 200-350 g/100 g. Independent claims are included for (1) a method for the production of (I) by (1) reacting silicate(s) with acid and then (2) filtering and washing, (3) drying and (4) tempering the resulting silica (2) hydrophilic precipitated silica (I) obtained by this method (3) sealing materials containing (I) . Die vorliegende Erfindung betrifft Fällungskieselsäuren, die eine besonders niedrige Anfangsfeuchte bei gleichzeitig geringer Feuchtigkeitsaufnahme über die Zeit, eine niedrige Stampfdichte und eine niedrige Silanolgruppendichte aufweisen, ein Verfahren zu deren Herstellung und deren Verwendung als Verstärker und Verdicker für Dichtungsmassen.
AbstractList Hydrophilic precipitated silica (I) with an equilibrium moisture content of 0.5-5.0 wt% (at 20[deg]C and 70% RH), a BET surface of 50-250 m 2>/g. a CTAB surface of 50-250 m 2>/g and a DBP number (anhydrous) of 200-350 g/100 g. Independent claims are included for (1) a method for the production of (I) by (1) reacting silicate(s) with acid and then (2) filtering and washing, (3) drying and (4) tempering the resulting silica (2) hydrophilic precipitated silica (I) obtained by this method (3) sealing materials containing (I) . Die vorliegende Erfindung betrifft Fällungskieselsäuren, die eine besonders niedrige Anfangsfeuchte bei gleichzeitig geringer Feuchtigkeitsaufnahme über die Zeit, eine niedrige Stampfdichte und eine niedrige Silanolgruppendichte aufweisen, ein Verfahren zu deren Herstellung und deren Verwendung als Verstärker und Verdicker für Dichtungsmassen.
Author SCHOLZ, MARIO
KUHN, DIETER
MEIER, KARL
RUF, MARKUS
KEMPF, MICHAEL
OBLADEN, HELGA
ALLERDISSE, RENE
PANZ, CHRISTIAN
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– fullname: PANZ, CHRISTIAN
– fullname: OBLADEN, HELGA
– fullname: MEIER, KARL
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DocumentTitleAlternate Silice hydrophile pour masses d'étanchéité
Hydrophile Kieselsäure für Dichtungsmassen
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Snippet Hydrophilic precipitated silica (I) with an equilibrium moisture content of 0.5-5.0 wt% (at 20[deg]C and 70% RH), a BET surface of 50-250 m 2>/g. a CTAB...
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SubjectTerms ADHESIVES
CHEMISTRY
COMPOUNDS THEREOF
DYES
INORGANIC CHEMISTRY
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-METALLIC ELEMENTS
PAINTS
POLISHES
Title Hydrophilic silica for sealing compounds
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