专利名称：Process for coating nonporous material with
a porous silicon dioxide layer
发明人：KOHLSCHUTTER; HANS WOLFGANG,UNGER;
KLAUS,SCHICK-KALB; JURGEN
申请号：US311773申请日：19730525公开号：US3922392A公开日：19751125
摘要：Nonporous materials are coated with a porous silicon dioxide layer by coatingthe nonporous material with a polymeric alkoxysiloxane and then subjecting this coatingto a hydrolytic polycondensation with an aqueous basic solution. The thus-obtainedproduct is then dried.
申请人：MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
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