发明名称 |
METHOD FOR PREPARING AN ESTER AND BINDER SYSTEM |
摘要 |
In a method for preparing an ester from an hydroxybenzoic acid and a fatty alcohol for use in a binder system for powder injection molding, transesterification of an ester of the hydroxybenzoic acid and a low alcohol using the fatty alcohol is carried out, the fatty alcohol and the ester of the hydroxybenzoic acid and the low alcohol forming a reaction mixture and being used in an essentially equimolar ratio. The transesterification is carried out at a temperature at which the ester of the hydroxybenzoic acid and the low alcohol and the fatty alcohol are present as a homogeneous melt. The binder system for a powder injection molding contains 80 to 98 wt. % of a metal powder and/or a ceramic powder and 1 to 19 wt. % of a polymeric binder component, and 1 to 19 wt. % of at least one ester prepared by the transesterification.
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申请公布号 |
US2011294935(A1) |
申请公布日期 |
2011.12.01 |
申请号 |
US20090998875 |
申请日期 |
2009.11.25 |
申请人 |
AICHELE WILFRIED;RAGER JOCHEN;CZERWINSKI KLAUS;GRATH EBERHARD;ARNOLD JOSEF;WEISSER EVA |
发明人 |
AICHELE WILFRIED;RAGER JOCHEN;CZERWINSKI KLAUS;GRATH EBERHARD;ARNOLD JOSEF;WEISSER EVA |
分类号 |
C08K5/134;C07C67/02 |
主分类号 |
C08K5/134 |
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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