oligossicatos de etila com catalisadores polímeros heterogêneos de ácido forte

The present invention provides a process for the synthesis of ethyl silicate with varying silica concentration, by hydrolysing ethyl silicate in varying water concentration in the presence of sulfonated catalysts having a styrene-divinyl benzene backbone. The present invention further relates to the...

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Hauptverfasser:	KALPANA VISHWANATHRAO SONTAKKE, DEEPA ARUN DHOBLE, HARI SARVOTHAMA RAO LOCANINDI, DHANASEKHARAN JANAKIRAMAN, MOHASIN SHAMSHUDDIN MOMIN, REGHUNATHAN HARIKRISHNA, SONALI MADHAVRAO BHOSLE, SMITA ATMARAM MULE, NAYAKU NIVRATI CHAVAN, RAJESH KUMAR SRIPERAMBUDUR, WASIF ABDUL LATEF SHAIKH, PONRATHNAM SURENDRA, REDDY KRISHNA MOHAN SRINIVASULU, MADHUSUDANA RAO BEVARA, MOHAMED SHADBAR QURESHI, RAMAN CHELANATTUKIZHAKKEMADATH, MAYANK DWIVEDI, RAVINDRA VASANT GHORPADE, KUMAR TAYAL RAJIV, RAMAN RAJAN CHELANATTUKIZHAKKEMADTH, ARCHANA CHETAN NALAWADE, SUNIL SITARAM BHONGALE, ARULDOSS JOHN, KHUDBUDIN BABAN MULANI, VELLIMALAI PUNITHARASU, SAKIRA BABASAHEB DEOKAR
Format:	Patent
Sprache:	por
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY COMPOSITIONS BASED THEREON GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL ORGANIC MACROMOLECULAR COMPOUNDS SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention provides a process for the synthesis of ethyl silicate with varying silica concentration, by hydrolysing ethyl silicate in varying water concentration in the presence of sulfonated catalysts having a styrene-divinyl benzene backbone. The present invention further relates to the preparation of beaded crosslinked polymers containing sulfonic acid moieties having an interconnected pore structure and surface area up to 400 m2 /g.