Maleic anhydride copolymer with broadly dispersed ester side chain as wax inhibitor and wax crystallization enhancer

• Main Authors: Peng, Wenqing, Xie, Xiaoan, Bagaria, Hitesh Ghanshyam, Patel, Nimeshkumar Kantilal
• Format: Patent
• Language: English
• Published: 01.03.2022
• Subjects: ADHESIVES; BLASTING; CHEMISTRY; COMPOSITIONS BASED THEREON; DYES; HEATING; LIGHTING; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; MECHANICAL ENGINEERING; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PIPE-LINE SYSTEMS; PIPE-LINES; POLISHES; STORING OF DISTRIBUTING GASES OR LIQUIDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; WEAPONS

A wax inhibitor composition, the composition having at least one alpha-olefin maleic anhydride copolymer of the formula:wherein R1 is selected from hydrocarbyl groups containing 10-30 carbon atoms, and R2 is selected from a hydrogen or hydrocarbyl groups containing 10-80 carbon atoms, and R2, if not hydrogen, is broadly dispersed, wherein R2 comprises a weight fraction of carbon numbers greater than 30, wherein R2 can be the same or different, and n is a number of repeating units ranging from 1 to 100.