Hydrocarbon solvent stable aqueous pour point depressant dispersion composition

• Main Authors: POTISEK STEPHANIE L, CAPALDO KEVIN P, DERMODY DANIEL L
• Format: Patent
• Language: Chinese; English
• Published: 26.09.2017
• Subjects: ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; CHEMISTRY; FIRELIGHTERS; FUELS; FUELS NOT OTHERWISE PROVIDED FOR; LIQUEFIED PETROLEUM GAS; LUBRICANTS; LUBRICATING COMPOSITIONS; METALLURGY; NATURAL GAS; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K; TECHNICAL GASES CONTAINING CARBON MONOXIDE; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION

The present invention relates to an aqueous pour point depressant dispersion composition comprising an ethylene vinyl acetate copolymer (EVA); a dispersing agent; a polyethoxylated nonionic surfactant, a low level of hydrocarbon solvent, water; optionally one or more of an aqueous freezing point depressant, a stabilizing agent, or a basic metal substance and a method to use said composition. 本发明涉及种水性倾点降低剂分散体组合物以及制造和使用所述组合物的方法，所述组合物包含：热塑性聚合物，优选乙烯乙酸乙烯酯(EVA)；分散剂；聚乙氧基化的非离子表面活性剂，低水平的烃类溶剂，水；任选的水性凝固点降低剂、稳定剂或碱性金属物质中的种或多种，其中所述分散的热塑性聚合物的体积平均粒径等于或小于1微米。