发明名称 |
COMPLEX ESTERS, FORMULATIONS COMPRISING THESE ESTERS AND USE THEREOF |
摘要 |
An ester resulting from an esterification reaction between at least one polyfunctional alcohol and at least one polyfunctional carboxylic acid using a chain stopping agent to form ester bonds with the remaining hydroxyl or carboxyl groups is disclosed. The polyfunctional carboxylic acid comprises an aliphatic dicarboxylic acid containing from 9 to 18 carbon atoms, dimerised and/or trimerised fatty acids or mixtures thereof, with the proviso that dimerised and trimerised fatty acids do not constitute more than 80% by weight of the total amount of polyfunctional carboxylic acid used. The chain stopping agent may be a monocarboxylic acid or a monofunctional alcohol having at least 14 carbon atoms. The complex esters have a kinematic viscosity at 100 C of from 30 to 1000 cSt, preferably from 30 to 200 cSt. The complex ester is useful "as is" or as an additive and/or as a base fluid and/or a thickener in transmission oils, hydraulic fluids, four-stroke oils, fuel additives, compressor oils, greases, chain oils and for metal working metal rolling applications. A multigrade gear oil formulation comprising one or more of the above complex esters is also part of the invention. |
申请公布号 |
WO9916849(A1) |
申请公布日期 |
1999.04.08 |
申请号 |
WO1998EP06145 |
申请日期 |
1998.09.28 |
申请人 |
UNICHEMA CHEMIE B.V.;KENBEEK, DIRK;VERBOOM, CORNELIS;VAN DER WAAL, GIJSBERT |
发明人 |
KENBEEK, DIRK;VERBOOM, CORNELIS;VAN DER WAAL, GIJSBERT |
分类号 |
C07C69/34;C07C69/50;C07C69/593;C07C69/604;C10L1/18;C10L10/08;C10M105/42;C10M105/44;C10M105/46;C10M119/16;C10M129/78;C10M129/80;C10M129/82;C10M169/04;C10M171/00;C10N40/04;C10N40/08;C10N40/20;C10N40/25 |
主分类号 |
C07C69/34 |
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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