Of external catalysts free, autocatalyzed, thermally curable compositions based on condensates of epoxy-functional silanes and their use for producing thermally cured compositions
2003
free of external catalysts autocatalyzed, thermally curable compositions comprising condensates of silanes containing hydrolyzable atoms and / or hydrolyzable groups, and (I) non-hydrolyzable, isocyanatadduktgruppenfreie groups with epoxide groups and nonhydrolyzable groups with epoxidgruppenfreie (A) divalent linking urethane groups -NH-C (X) -X- and / or -X- (X) C-NH-, (B) divalent linking urea groups -HN-C (X) -NH- and / or (C) monovalent terminal groups YC (X) -NH-, in which the variable X Y represent an oxygen or sulfur atom, and the variable for the residue of a blocking agent for isocyanate groups; or (Ii) non-hydrolyzable groups having epoxide groups and groups (a), (b) and / or (c), or (Iii) non-hydrolyzable, isocyanatadduktgruppenfreie groups with epoxide groups, non-hydrolyzable, epoxidgruppenfreie groups with groups (a), (b) and / or (c), and non-hydrolysable groups with epoxy groups and groups (a), (b) and / or (c); Processes for their preparation and their use for producing thermally cured compositions.
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