| 发明名称 |
Carbon articles - having low gas/liq permeability |
| 摘要 |
<p>The articles, e.g. crucibles, are made by coating a hardened article, consisting of a mixt, of a curable binder and a carbonaceous material which loses 40-60% of its wt. in the carbonisation stage) with a dense resin film (e.g. a PF resin or a furan resin) and then carbonising the composite.</p> |
| 申请公布号 |
DE2133949(A1) |
申请公布日期 |
1973.01.18 |
| 申请号 |
DE19712133949 |
申请日期 |
1971.07.08 |
| 申请人 |
SIGRI ELEKTROGRAPHIT GMBH, 8901 MEITINGEN |
发明人 |
BOEDER, HORST, DR. RER. NAT., 8851 WESTENDORF |
| 分类号 |
C01B31/00;C04B35/524;C04B35/532;C04B35/83;C08G8/00;(IPC1-7):04B35/52 |
主分类号 |
C01B31/00 |
| 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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