作者: Burkhard Standke , Bjoern Borup , Roland Edelmann , Kerstin Bibbo , Jaroslaw Monkiewicz
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摘要: The present invention provides a composition based on the reaction at least of following components: (i) glycidyloxypropylalkoxysilane, (ii) an aqueous silica sol having Si02 content > 20% by weight, (iii) organic acid hydrolysis catalyst, and (iv) n-propyl zirconate, butyl titanate or titanium acetylacetonate as crosslinker, process for its preparation, use thereof, particularly scratchresistant coatings, also articles thus coated.