发明名称 |
PYROGENICALLY PREPARED SILICON DIOXIDE COMPACTED TO GIVE CRUSTS |
摘要 |
<p>Pyrogenically prepared silicon dioxide is compacted to give crusts, in that it is subject to preliminary de- aeration, and is compacted to give crusts, and the crusts are broken and, if appropriate, classified. The tamped bulk density (to DIN EN ISO 787-11) of the silicon dioxide compacted to give crusts is from 185 to 700 g/1. It can be used as filler in rubber mixtures.</p> |
申请公布号 |
WO2007085511(A1) |
申请公布日期 |
2007.08.02 |
申请号 |
WO2007EP50064 |
申请日期 |
2007.01.04 |
申请人 |
DEGUSSA GMBH;SCHACHTELY, UWE;HOFMANN, RALPH;STEIN, GUENTER;SCHAFFER, ROLAND;FRIEHMELT, RAINER |
发明人 |
HOFMANN, RALPH;STEIN, GUENTER;SCHAFFER, ROLAND;FRIEHMELT, RAINER |
分类号 |
C01B33/12;C08K3/36;C09C1/30;C09C3/04 |
主分类号 |
C01B33/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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