C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
253/18
C01B 33/44 (2006.01) C08L 67/00 (2006.01) C09D 5/04 (2006.01)
Patent
CA 1084896
ABSTRACT OF THE DISCLOSURE Polyolefin lubricant base oils can be surprisingly gelled by layer and chain type overtreated higher dialkyl dimethyl ammonium clays preferably containing a minimum of 12% excess of the quaternary ion moiety over their ion exchange capacity. For example, an overtreated dihydrogenated ditallow ammonium montmorillonite containing a 22% excess of the quaternary ion can be used to prepare a polydecene based grease although it does not gel min- eral oil lubricants. In contrast, the known clay analog of equivalent treat- ment gels the mineral oil but not the synthetic polyolefin lubricant under comparable conditions.
292653
Barnum Harry W.
Harting Gary L.
Oswald Alexis A.
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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