Aqueous dispersion of hydrophobized silicon dioxide powder comprising a dispersing agent
申请(专利)号：
US10546061
申请日期：
20040326
公开/公告号：
US07645335B2
公开/公告日期：
20100112
申请(专利权)人：
Wolfgang Lortz Christoph Batz-Sohn Gabriele Perlet Werner Will Kathrin Lehmann Angela Rüttgerodt
国省代号：
DE,DE,DE,DE,DE,DE
被引量：
摘要：
Aqueous dispersion which comprises hydrophobized silicon dioxide powder with a content of between 5 and 50 wt. % and which comprises at least one compound of the general formula R & supl; —COO—(CH2-CH(Ph)—O)a-(CnH2n-xRx-O)b-R(I). It is prepared by dispersing the hydrophobic silicon dioxide powder, dispersing agent and optionally pH-regulating substances and further additives in an aqueous medium. It can be employed as an additive to waterborne fillers in the automobile industry, as a coating constituent in can and coil coating processes, as an additive in water-based UV-curable formulations e.g. for wood preservation and as a constituent of protective lacquer films.
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