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Polyisobutylene succinimide
Dispersant
PIBSI
Polyisobutylene succinimide
cas72269-41-1
Description：
Polyisobutylene succinimide is synthesized from highly reactive polyisobutylene (PIB) and maleic anhydride (MA) at high temperatures to form PIBSA, which is then combined with polyamines to form Polyisobutylene succinimide, abbreviated as PIBSI.
Category：
Ashless Dispersants
Product Details
Polyisobutylene succinimide
Dispersant
PIBSI
Polyisobutylene succinimide is synthesized from highly reactive polyisobutylene (PIB) and maleic anhydride (MA) at high temperatures to form PIBSA, which is then combined with polyamines to form Polyisobutylene succinimide, abbreviated as PIBSI. It can be used as a dispersant in internal combustion engine oils to disperse gums, impurities, and sludge in lubricating oils. Its key characteristic is that it produces no ash after high-temperature combustion and possesses a certain alkalinity to neutralize acids, thus maintaining the cleanliness of the engine interior.
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| Features and characteristics |
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| Data | Appearance | Brown red thick liquid | ||
| Density at 20 °C | 930 | kg/m³ | ASTM D4052 | |
| Viscosity at 100 °C | 190 | mm²/s | ASTM D445 | |
| Flash point | ＞180 | °C | ASTM D93 | |
| TBN | 29 | mgKOH/g | ASTM D2896 | |
| Nitrogen | 1.25 | % | ASTM D3228 | |
| Note |
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| Packaging | Net weight | 170KG/Metal drum | ||
| 900KG/IBC TANK | ||||
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Key word：
Polyisobutylene succinimide
Dispersant
PIBSI
lubricant additive
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