Polyisobutylene succinimide
Product Introduction
Product NamePolyisobutylene succinimide CAS68649-42-3Quality StandardStandardPro
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- Update Time：2026-01
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Product Name | Polyisobutylene succinimide |
| CAS | 68649-42-3 |
Quality Standard | Standard |
Product Grade | Industrial Grade |
Place of Origin | China |
Dangerous Goods | No |
Polyisobutylene succinimide is a type of high-performance polymer additive widely used in the petroleum and lubricant industries. It is synthesized through the reaction of polyisobutylene with maleic anhydride, followed by amination. Known for its excellent compatibility with mineral oils and synthetic lubricants, this compound plays a crucial role in improving the performance and stability of various lubricating products. Its unique molecular structure endows it with multiple functional properties that meet the demanding requirements of modern industrial applications.
Key Functions
- Dispersancy: As a core dispersant, polyisobutylene succinimide effectively disperses insoluble particles (such as soot, sludge, and oxidation by-products) in lubricating oils. This prevents particle aggregation and deposition on engine parts or industrial equipment, maintaining oil cleanliness and ensuring smooth operation.
- Detergency: It exhibits strong detergency, helping to remove existing deposits and carbon residues from metal surfaces. This function is particularly important in internal combustion engines, gearboxes, and hydraulic systems, reducing wear and extending the service life of mechanical components.
- Anti-oxidation and Stability Enhancement: By inhibiting oxidative degradation of lubricating oils, polyisobutylene succinimide improves the thermal and oxidative stability of the oil. It slows down oil aging, reduces the formation of harmful substances, and extends the oil change interval, lowering maintenance costs.
- Rust and Corrosion Protection: The compound forms a protective film on metal surfaces, shielding them from moisture, acids, and other corrosive substances. This rust and corrosion inhibition property is essential for protecting equipment in harsh operating environments, such as high temperature, high humidity, or contact with corrosive media.
- Compatibility Improvement: It enhances the compatibility of different lubricant additives, ensuring that the formulation remains stable and effective. This allows for the development of multi-functional lubricating oils that meet diverse performance requirements.