发明名称 |
CARBOXYLATE OVERBASED GELS |
摘要 |
The present invention is directed to a process for preparing a gelled overbased calcium carboxylate which involves carbonating a carboxylic acid of 8 to 30 carbon atoms in the presence of a promoter system consisting of water and an alcohol of 1 to 8 carbon atoms, such that the mole ratio of alcohol to water is substantially constant and is such that the viscosity of the reaction mixture during carbonation step does not exceed 1 pascal second (1000 centipoise). This process prevents excessive thickening of the reaction mixture in a manufacturing unit during carbonation and affords ample time to complete the process of carbonation without premature crystallization of the calcium carbonate formed during overbasing.
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申请公布号 |
CA2259113(A1) |
申请公布日期 |
1999.07.20 |
申请号 |
CA19992259113 |
申请日期 |
1999.01.18 |
申请人 |
THE LUBRIZOL CORPORATION |
发明人 |
JAYNES, SCOT E.;SWEET, WILLIAM R. |
分类号 |
C07C51/41;C07C53/126;C09D7/12;C10M159/20;C10M177/00;C10N30/04;C10N70/00;C11C3/00;(IPC1-7):C07C53/126;C07C27/02;C07C51/09;C07C57/12;C07C59/01 |
主分类号 |
C07C51/41 |
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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