Biodegradable polyneopentyl polyol based synthetic ester...

C - Chemistry – Metallurgy – 10 – M

Patent

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Details

C10M 105/32 (2006.01) C10M 105/34 (2006.01) C10M 105/36 (2006.01) C10M 105/38 (2006.01)

Patent

CA 2433575

A novel biodegradable polyneopentyl polyol (PNP) ester based synthetic ester basestock that includes a PNP ester admixed with a dicarboxylic acid ester coupling agent is provided. The PNP ester-coupling agent mixture is blended further with minor amounts of a single, or mixture of, additional high molecular weight linear or branched chain ester. The final basestocks are compatible with standard lubricant additive packages and miscible with gasoline to provide biodegradable lubricants that have improved viscosity characteristics, good low temperature properties, and improved lubricity for 2- stroke engine lubricant applications.

L'invention concerne une huile de base d'ester synthétique à base d'un polyol ester polynéopentyle (PNP) biodégradable, qui comprend un ester PNP mélangé à un agent de couplement d'ester d'acide dicarboxylique. Le mélange ester PNP-agent de couplement est ensuite mélangé à de faibles quantités d'une chaîne ester additionnelle linéaire ou ramifiée à poids moléculaire élevé, seule ou mélangée. Les huiles de base finales sont compatibles avec des ensembles d'additifs lubrifiants standards et miscibles à l'essence pour fournir des lubrifiants biodégradables présentant de meilleures caractéristiques de viscosité, de bonnes propriétés à basse température et un meilleur pouvoir lubrifiant pour des applications lubrifiantes de moteurs à deux temps.

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