-
公开(公告)号:US06800413B2
公开(公告)日:2004-10-05
申请号:US10237712
申请日:2002-09-09
申请人: Herbert Barthel , Mario Heinemann , Franz Grünwald , Helmut Maginot , Ute Völkel
发明人: Herbert Barthel , Mario Heinemann , Franz Grünwald , Helmut Maginot , Ute Völkel
IPC分类号: G03G900
CPC分类号: C01B33/18 , C01P2006/12 , C09C1/3081 , G03G9/09725
摘要: A silylated silica having an SiOH density per nm2 of less than 0.6, based on the BET-method surface area (DIN 66131 and 66132), is prepared by silylating silica in a process where loading, reacting, and purifying are performed in separate steps.
摘要翻译: 基于BET法的表面积(DIN 66131和66132),通过在二氧化硅中甲硅烷基化制备甲苯基化二氧化硅,其中SiO 2的SiO 2密度小于0.6,其中负载,反应和纯化在 单独的步骤。