Speciality Chemicals

Polyisobutylene Succinic Anhydride (PIBSA)

Polyisobutylene Succinic Anhydride (PIBSA) is a versatile, high-performance ashless dispersant intermediate. It is produced through the reaction of reactive polyisobutylene (PIB) with maleic anhydride. PIBSA serves as the foundational "building block" for a wide array of specialized performance additives, including succinimide dispersants, emulsifiers, and corrosion inhibitors used in engine oils, hydraulic fluids, and fuel additives.

Technical Specifications

Chemical StructurePIB-substituted succinic anhydride
AppearanceClear to amber, viscous liquid
PIB Molecular WeightAvailable in standard grades (e.g., 550, 1000, 1300, 2300)
Active ContentCustomizable to meet specific performance needs
Saponification ValueVaries by PIB molecular weight
StorageStore in a cool, dry, well-ventilated area; keep away from moisture

Recommended Applications

  • Lubricant Additives: The primary precursor for ashless dispersants (PIBSI) used in automotive and industrial engine oils to keep engines clean of sludge and deposits.
  • Fuel Additives: Used to formulate gasoline and diesel detergent additives that prevent injector fouling and intake valve deposits.
  • Emulsifiers: Utilized in the production of high-performance water-in-oil emulsifiers for explosive formulations and specialty grease.
  • Corrosion Inhibition: Acts as a backbone for specialized anti-corrosion additives in metalworking fluids.