发明名称 |
Binder coated foundry sand grains |
摘要 |
Foundry sand grains coated with a binder composition which comprises 100 wt. parts of methylolmelamine or alkylated methylolmelamine and 5 to 100 wt. parts of a water-soluble organic compound having a hydroxyl group. The sand grains coated with the composition are effective in a low-temperature foundry, especially for forming a core in an aluminum-alloy foundry.
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申请公布号 |
US4482654(A) |
申请公布日期 |
1984.11.13 |
申请号 |
US19830459569 |
申请日期 |
1983.01.20 |
申请人 |
DAICEL CHEMICAL INDUSTRIES, LTD.;SHINTO KOGIO LTD. |
发明人 |
NISHIKAWA, KAZUYUKI;HIRAO, KATSUMI;MIZUGUCHI, KAZUHIKO;SUZUKI, HIROSHI |
分类号 |
B22C1/20;B22C1/22;C08L61/20;(IPC1-7):B28B7/34 |
主分类号 |
B22C1/20 |
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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