发明名称 |
Process for the manufacture of a foundry core or mould. |
摘要 |
<p>The present invention relates to a process for the manufacture of foundry cores and moulds. To that end a mixture comprising a granular filler such as sand, a synthetic resin which cures under the influence of an acid and a ketone peroxide desensitized with one or more specific dialkyl esters of dicarboxylic acids is formed into a foundry core or mould and treated with SO2. The dialkyl ester should have the formula …<CHEM>… where… n = 1-7 and… R1 and R2 = a branched or non-branched alkyl group having 3 to 5 carbon atoms.</p> |
申请公布号 |
EP0084689(A1) |
申请公布日期 |
1983.08.03 |
申请号 |
EP19820201540 |
申请日期 |
1982.12.03 |
申请人 |
AKZO N.V. |
发明人 |
SCHROEDER, ARNOLD;ROSKOTT, LODEWIJK |
分类号 |
B22C1/02;B22C1/20;B22C9/12;C07C407/00;C08K5/11;C08K5/14;(IPC1-7):22C1/22;08K5/04;07C179/087 |
主分类号 |
B22C1/02 |
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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