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Rate of Formation of Industrial Lubricant Additive Precursors from Maleic Anhydride and Polyisobutylene

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The Alder-ene reaction of neat polyisobutylene (PIB) and maleic anhydride (MAA) to produce the industrially important lubricant additive precursor polyisobutylene succinic anhydride (PIBSA) is studied at 150-180 °C. Under anaerobic conditions with [PIB] ∼ 1.... ...