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 | , , , , , , , |
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Format | Patent |
Language | English French German |
Published |
28.11.2007
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Subjects | |
Online Access | Get full text |
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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. |
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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 |
Author_xml | – fullname: KEMPF, MICHAEL – fullname: SCHOLZ, MARIO – fullname: ALLERDISSE, RENE – fullname: KUHN, DIETER – fullname: RUF, MARKUS – 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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