| 发明名称 |
Hydrophobic precipitated silica granules |
| 摘要 |
Hydrophobic, essentially spheroidal precipitated silica particulates, well adapted as a reinforcing filler material for silicone elastomers, have a density of at least 0.15, a water wettability of at least 20% and a maximum water uptake of 5%.
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| 申请公布号 |
US5009874(A) |
申请公布日期 |
1991.04.23 |
| 申请号 |
US19880181312 |
申请日期 |
1988.04.13 |
| 申请人 |
RHONE-POULENC CHIMIE |
发明人 |
PARMENTIER, FRANCOIS;PERSELLO, JACQUES |
| 分类号 |
C01B33/18;C01B33/193;C08K3/36;C09C1/30 |
主分类号 |
C01B33/18 |
| 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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