New Boron-Nitrogen containing modified multifunctional alkylphenolate additives to motor oils
By carrying out condensation reactions for alkylphenols and methylene-bis-alkylphenols with amines, alkanolamines and formaldehyde, working with boric acid and the neutralization of the obtained product with calcium hydroxide, new boron-nitrogencontaining alkylphenolate, additives have been synthesized (AKI-114B, AKI-212B, AKI-115B, AKI-210B, AKI-214B, AKI-219B).
The structure of the obtained - boron esters (derivatives of phenolate) has been studied through the use of the IR spectroscopy method. Simultaneously with studying the functional properties of the synthesized additives in motor oil, it has been established that their detergent, water, corrosion, oxidation and wear resistance properties greatly overbalance the same properties of their single nitrogen-containing and industrial analogues. Through thermoanalytic research conducted on OD-102T typed derivatograph, the high stability (through to 360ºC) of additives containing boron-nitrogen has been determined.
On the basis of new boron, nitrogen-containing modifications AKI-210B and AKI-115B different motor oil compositions such as M-8B, M-10G2 and etc. have been prepared and tested. The creation of high-synergy efficiency upon interaction of synthesized additives with other ones (sulfonates, dithiophosphates) has been observed, particularly in the improvement of tribological properties, and the increase in the oxidation induction period.
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