Polyacrylate antifoam components for use in diesel fuels

US11124721B2 · kind B2 · utility

Assignee

• The Lubrizol Corporation · US

Inventors

• James H. Bush · Mentor, US
• David M. Nickerson · Rathbone, US
• Rochelle L. Kovach · Cleveland, US
• Jayasooriya Sujith Perera · Twinsburg, US
• Elizabeth A. Schiferl · Chagrin Falls, US
• Kevin J. Hughes · Sammamish, US

Key dates

• Filing date: Sep 21, 2017
• Grant date: Sep 21, 2021
• Expiry date: Sep 21, 2037

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10N2040/045
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

There is disclosed an antifoam component which includes at least one poly(acrylate) copolymer for use in a diesel fuel. Poly(acrylate) polymers prepared by polymerizing a (meth)acrylate monomer comprising C1 to C30 alkyl esters of (meth)acrylic acid (“multifunctional monomer”) are also disclosed. Other poly(acrylate) polymers prepared by polymerizing (i) a (meth)acrylate monomer comprising C1 to C4 alkyl esters of (meth)acrylic acid (“solubility monomer”); (ii) a (meth)acrylate monomer comprising C5 to C12 alkyl esters of (meth)acrylic acid (“surface tension monomer”); and (iii) optionally at least one additional monomer comprising a solubility monomer, a surface tension monomer, a monomer comprising C1 to C30 alkyl esters of (meth)acrylic acid (“multifunctional monomer”), or combinations thereof are also disclosed.