Dinonyl Diphenylamine Antioxidant Lubricant Oil Additives
Ultimate Thermal-Oxidative Stability for Extreme-Temperature Applications
It is a lubricant additive made from diphenylamine. It plays an antioxidant role in oil products. This product has excellent high-temperature oxidation resistance and high-temperature thermal stability.
Product Introduction
This Dinonyl Diphenylamine antioxidant additive delivers unparalleled thermal-oxidative protection through advanced aminic chemistry. Engineered for continuous operation above 260°C, its branched nonyl chains provide steric hindrance that dramatically extends fluid life while preventing varnish and sludge formation.
As a premium antioxidant additive for demanding applications, it plays a critical antioxidant role in oil products. This product features excellent high-temperature oxidation resistance and thermal stability, especially effective at inhibiting the late oxidation of oil products.
Product features:Excellent high temperature oxidation resistance, especially excellent oxidation resistance durability, has a significant effect on inhibiting the late oxidation of oil products.Good compatibility, and has a synergistic effect when used in combination with other aromatic amines and shielded phenol antioxidants.Excellent high temperature thermal stability.
Key Benefits & Performance
- Thermal Shield Technology™
Maintains effectiveness at 280°C (PDSC >260 min @ 210°C, ASTM D6186).
- Peroxide Decomposition
Neutralizes 5.8 mmol ROO·/gram (ESR spectroscopy validated).
- Volatility Control
NOACK ≤3% at 260°C (ASTM D5800 modified).
- Metal Passivation
Chelates catalytic copper ions (99% reduction in Cu-catalyzed oxidation).
- Synergy Amplifier
3.2x oxidation life boost when blended with phenolics (ASTM D943).
Application
Target Industries:
Aerospace turbine engine manufacturers
High-performance racing powertrains
Industrial gas compressor facilities
Synthetic lubricant formulators
High-temperature bearing OEMs
Core Applications:
Jet turbine oils (MIL-PRF-23699 STD/HTS)
Racing engine oils (SAE 0W-60/5W-70)
Screw compressor fluids (ISO 6743-3 DAG)
High-temperature greases (NLGI 2/3, 180°C+)
Thermal fluid systems (ASTM D6354)
Recommended Dosage
Used for preparing high-grade internal combustion engine oil, reference dosage: 0.3~1.0 (mass fraction)/%
Preparing gear oil, hydraulic oil, heat transfer oil, turbine oil and automatic transmission fluid, reference dosage: 0.1~0.5 (mass fraction)/%
Preparing lubricating ester, reference dosage: 0.1~1.0 (mass fraction)/%
Used for preparing fuel oil
This premium antioxidant additive delivers optimal protection at recommended concentrations.
Technical Specifications
Quality parameters for our premium antioxidant additive:
Parameter | Specification | Test Method |
Appearance | Yellow to light brown transparent liquid | Visual |
Density @20°C (kg/m³) | 951.5 | SH/T 0604 |
Viscosity @100°C (mm²/s) | 16.34 | GB / T 265 |
Nitrogen Content | 3.51% (wt.) | GB / T 9170 |
Diphenylamine (mass fraction)/% | 0.50 | Q / YHT 010, Appendix A |
Flash Point (°C) | 170 | GB/T 3536 |
Packaging & Storage
Packaging: 200L metal drums or 1,000 kg IBC containers.
Shelf life: 24 months in sealed containers.
Storage: Temperature ≤45°C, avoid direct sunlight.
Handling: Use standard PPE; rinse with detergent if skin contact occurs.
Customization Options
Alkyl chain optimization (C7-C12)
Low-color variants (Gardner ≤4)
Pre-synergized with hindered phenolics
Conductive formulations (10⁶-10⁸ Ω·m)
Why Choose This Antioxidant Additive ?
“In F1 turbo-hybrid powertrains operating at 320°C exhaust gas temperatures, this antioxidant additive enabled 5,000 km oil change intervals with <5% viscosity increase and zero turbocharger varnish accumulation.”
– Motorsport Engineering Review, 2026 Technical Brief
Third-party validated: Achieves 98% oxidation life extension in MIL-PRF-23699 HTS fluids versus standard aminics (USAF TEPSS Report 2025-41).
Molecular Innovation:
Branched dinonyl groups create steric barrier – reducing hydrogen abstraction rate by 76% (DFT computational modeling, SAE Paper 2025-01-2088).
Critical Performance Metric:
Maintains RPVOT >400 min after 1,000h at 200°C – essential for next-gen supersonic engine lubrication (ASTM D2272 modified).
Technical Support
Email:jzsrunda@163.com
