Esterified oil-soluble polyalkylene glycols

• Main Authors: HAN YAOKUN, DAUGS ERIN, GREAVES MARTIN R
• Format: Patent
• Language: Chinese; English
• Published: 12.04.2022
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; FUELS; LUBRICANTS; LUBRICATING COMPOSITIONS; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION

Embodiments of the present disclosure are directed to methods of producing a low color esterified oil-soluble polyalkylene glycol comprising forming a reaction mixture comprising a low viscosity oil-soluble polyalkylene glycol and an excess of valeric acid wherein the reaction mixture is formed in the presence of a catalytic amount of an orthophosphoric acid catalyst, an organic phase comprising the low color esterified oil soluble polyalkylene glycol is obtained. 本公开的实施方案涉及产生低色度的酯化的油溶性聚亚烷基二醇的方法，所述方法包括形成包含低粘度油溶性聚亚烷基二醇和过量戊酸的反应混合物，其中所述反应混合物在催化量的正磷酸催化剂存在下形成，得到包含所述低色度的酯化的油溶性聚亚烷基二醇的有机相。