发明名称 |
Plugging compositions for blast furnace tap holes |
摘要 |
Plugging compositions for blast furnace tap holes comprising a refractory filler, a wetting agent, and a binder therefor comprising a phenol-aldehyde condensate resin chemically modified by reaction with lignin have a muddy consistancy, and are characterized by enhanced compressive strength at elevated temperatures and increased plasticity at low temperatures as compared to conventional binders.
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申请公布号 |
US4072531(A) |
申请公布日期 |
1978.02.07 |
申请号 |
US19760666290 |
申请日期 |
1976.03.12 |
申请人 |
SUMITOMO DUREZ COMPANY, LTD. |
发明人 |
FUNABIKI, KYOHEI;TOKUNAGA, TETSUYA |
分类号 |
C08G8/28;C08K3/00;C21B7/12;(IPC1-7):C04B35/02;C04B35/66;C04B35/04 |
主分类号 |
C08G8/28 |
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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