发明名称 |
PROCESS FOR PRODUCING TETRABROMOBENZOATE ESTERS |
摘要 |
A method for preparing tetrabromobenzoate ester from a tetrabromophthalic anhydride including the steps of reacting the tetrabromophthalic anhydride with a catalyst and an alcohol at a temperature that favors partial esterification over complete esterification of the tetrabromophthalic anhydride to form a tetrabromophthalate half-ester reaction mixture; and feeding the half- ester reaction mixture to at least one reactor having and maintaining a temperature that favors decarboxylation over esterification to produce a tetrabromobenzoate ester-containing product. The temperature favoring partial esterification of the tetrabromophthalic anhydride is between about 70°C and 130°C. The temperature favoring decarboxylation over esterification is between about 190°C and 205°C. The tetrabromobenzoate ester-containing product comprises at least about 85% tetrabromobensoate ester. The at least one reactor may include two or more reactors connected to one another in series.
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申请公布号 |
KR20060079185(A) |
申请公布日期 |
2006.07.05 |
申请号 |
KR20067001932 |
申请日期 |
2003.07.29 |
申请人 |
GREAT LAKES CHEMICAL CORPORATION |
发明人 |
FALLOON STEPHEN B.;BARTLEY DAVID W.;SIEBECKER JAMES D. |
分类号 |
C07C67/08;C07C67/00;C07C67/32;C08K5/12;C08L27/06;C08L75/04 |
主分类号 |
C07C67/08 |
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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