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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Format: | Patent |
Sprache: | por |
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