<p>Flakes comprising pyrogenically prepared silicon dioxide were rendered water repellent after compacting. They can be used in natural rubber and synthetic rubber production.</p>
申请公布号
WO2009074432(A1)
申请公布日期
2009.06.18
申请号
WO2008EP65775
申请日期
2008.11.18
申请人
EVONIK DEGUSSA GMBH;KNEISEL, FLORIAN FELIX;HOFMANN, RALPH