PROCESS FOR THE PREPARATION OF DISPERSANT POLYALKYL (METH)ACRYLATE POLYMERS

• Main Authors: DOERFEL, MARA, ZIEGLER, FABIAN, LIPPERT, SARAH, SCHOLLER, KATRIN, TSCHEPAT, WOLFGANG
• Format: Patent
• Language: English; French
• Published: 04.11.2021
• Subjects: CHEMISTRY; FUELS; LUBRICANTS; LUBRICATING COMPOSITIONS; METALLURGY; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION

A method for preparing polyalkyl (meth)acrylate polymers consisting of (a) 10-20 wt.% of esters of (meth)acrylic acid and a hydroxylated hydrogenated polybutadiene; (bl) 45-60 wt.% of C1-4 alkyl (meth)acrylates; (b2) 10-25 wt.% of C10-15 alkyl methacrylates; (b3) 10-15 wt.% of styrene; and (b4) 5-7...