A process for modifying an unsaturated polyol fatty acid ester stock, such as an unsaturated triacylglycerol oil, to enhance its fluidity and/or oxidative stability is provided. The method includes reacting the unsaturated polyol fatty acid ester stock with cyclopropanating agent. Lubricants containing cyclopropanated polyol fatty acid ester and methods for their production and use are also provided.

Um processo para modificar um estoque unsaturated do ester do ácido fatty do polyol, tal como um óleo unsaturated do triacylglycerol, para realçar suas fluidez e/ou estabilidade oxidative é fornecido. O método inclui reagir o estoque unsaturated do ester do ácido fatty do polyol com o agente cyclopropanating. Conter dos lubrificantes cyclopropanated o ester do ácido fatty do polyol e os métodos para seus produção e uso são fornecidos também.

 
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