Composition comprising thermoassociative and exchangeable copolymers

US11840593B2 · kind B2 · utility

Assignees

• TOTAL MARKETING SERVICES · FR
• CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE · FR
• ECOLE SUPERIEURE DE PHYSIQUE ET DE CHIMIE INDUSTRIELLES DE LA VILLE DE PARIS · FR

Inventors

• Gregory Descroix · Brindas, FR
• Fanny Briand · Val-de-Reuil, FR
• Renaud Nicolay · Verrières-le-Buisson, FR
• Thibault Derouineau · La Fontaine du Bout, FR

Key dates

• Filing date: Mar 7, 2019
• Grant date: Dec 12, 2023
• Expiry date: Feb 22, 2041

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10N2030/02
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Compositions resulting from the mixing of at least: a comb polydiol copolymer A1 and a compound A2 including at least two boronic ester functional groups, the comb polydiol copolymer A1 including a main chain and side chains, at least a portion of the side chains of the copolymer A1 being composed of oligomers. They exhibit very varied rheological properties depending on the proportion of the compounds A1 and A2 used. Composition resulting from the mixing of at least one lubricating oil with such a composition of associative and exchangeable polymers and use of this composition for lubricating a mechanical part.