| 发明名称 |
PRECIPITATED SILICA GRANULATES |
| 摘要 |
<p>The present invention provides precipitated silica granulaters, having the following physico-chemical characteristic date: powder density (DIN 53194) : 200 - 300 g/litre l/d ratio : 0.8 ? l/d ? 3.5 hardness of single granulate : 80 - 175 pond dust content (DIN 53583) : 0.2 - 0.4% by weight abrasion (DIN 53583) : 0.2 - 0.3% by weight The granulates are useful as fillers in rubber mixtures.</p> |
| 申请公布号 |
CA1095688(A) |
申请公布日期 |
1981.02.17 |
| 申请号 |
CA19780315595 |
申请日期 |
1978.10.31 |
| 申请人 |
DEUTSCHE GOLD- UND SILBER-SCHEIDEANSTALT VORMALS ROESSLER |
发明人 |
KILIAN, EBERHARD;KREHER, ALFONS;NAUROTH, PETER;TUERK, GUENTER |
| 分类号 |
C01B33/18;C01B33/143;C01B33/193;C01B33/32;C08K3/36;C08L7/00;C08L21/00;C09C1/30;(IPC1-7):08K9/08;01B33/00 |
主分类号 |
C01B33/18 |
| 代理机构 |
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