Molybdenum-containing composition
a technology which is applied in the direction of lubricant composition, additives, petroleum industry, etc., can solve the problems of adverse effects of mo and s-containing compound, corrosion of metal surfaces, and affect the effectiveness of friction modifiers, so as to improve the properties of lubricating composition, improve the lubricating properties of lubricants, and increase the amount of mo
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[0040]The following examples are illustrative of particular embodiments of the present invention. The compositions which are the subject of Example Nos. 1 and 2 are useful as friction modifiers.
example no.1
Example No. 1
[0041]This example is illustrative of the preparation of a friction modifier prepared from : (a) glycerol monooleate (hereafter “GMO”—at room temperature, 20 to 25° C., a solid which melts at about 35 to 37° C.); (b) N, N-bis(2-hydroxyethyl) oleamide (hereafter “oleamide”—at room temperature, a liquid which boils at about 150° C.); and (c) molybdenum trioxide (hereafter “MoO3”—at room temperature, a solid which melts at 795° C.).
[0042]Solid GMO is pre-heated in an oven at 50° C. for 30 minutes to its liquid form. There are added to a 1-liter flask 180 g liquid GMO and 150 g of liquid oleamide to form a liquid mixture thereof. Forty g of solid Mo03 in the form of a powder are added to the liquid mixture and stirred therein to form a liquid in which the Mo03 solids are dispersed. Xylene and a small amount of water are added as additional reagents to the dispersion to promote reaction through improved solubility of the reactants and to improve the solubility of the product...
example no.2
Example No. 2
[0043]This example is like that of Example No. 1 except that the amount of water in the final product is about 0.3 wt. % and also the GMO constituent is replaced by glycerol monolaurate (hereafter “GML”—at room temperature, a pasty substance having a melting point of 23 to 27° C.). The amount of reagents and conditions of reaction are the same as those described in Example No. 1.
[0044]The color of the mixture changes from a gray color at the beginning of the reaction to a milky green, and then to dark green. After heating the mixture to 100-110° C., 358 g of a soft solid product which is compatible with most commercially available engine oils are obtained.
[0045]Selected physical properties of the products of Example Nos. 1 and 2 are measured. The amount of water is measured using the Karl Fisher titration method. Acid values are measured through KOH titration pursuant to ASTM D664. Viscosities at 40° C. and 100° C. are measured using a Brookfield viscometer. The propert...
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