创建于04.17

Synthetic Base Oil Technology Development and Application Research

Synthetic BaseOil Technology Development and Application Research
1. Technological Evolution: From Mineralto Synthetic Oils
The global lubricant base oil industry hasundergone three technological revolutions. Early mineral oils (Groups I-III)faced limitations like low viscosity indices (VI 95 for Group I) and poorlow-temperature performance (-15℃ pour point). Hydroisomerization boosted GroupII/III oils with VI 120-140. In the past decade, synthetic base oils (GroupsIV/V) have grown at 5.6% CAGR, reaching 4.8 million tons in 2022, withpolyalphaolefins (PAO) dominating 62% market share and alkylated naphthalenes(AN) accounting for 18%.
2. Composition and PerformanceCharacteristics
  1. ​​PAO Molecular Structure​​ Controlled branching from C8-C12 α-olefin polymerization. Heao's PAO6 exemplifies:
  • 5.95cSt @100℃, VI 135
  • -58℃ pour point, 2260mPa·s CCS (-30℃)
  • 4.7% Noack volatility (ASTM D5800)
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  1. ​​Alkylated Naphthalene Advantages​​ Conjugated naphthalene structure enhances performance. Heao AN5 parameters:
  • 26.5cSt @40℃, 220℃ flash point
  • 803min rotary oxygen bomb value (155% > Group III)
  • 0.1mg/cm² copper corrosion (ISO 4263)
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3. Performance Comparison: Synthetic vsConventional Oils
Parameter
Group III
PAO4
AN5
Improvement
Viscosity Index
129
125
68
-
Pour Point(℃)
-15
-60
-50
73%↑
Thermal Decomp.(℃)
185.4
230
202.9
9.4%↑
Oxidation Life(h)
315min
580min
803min
155%↑
Volatility Loss(%)
6.9
12.1
18.5
-
(Data Source: ASTM/ISO standards, Heao labverification)
4. Application Fields and Solutions
  1. ​​Automotive​​
  • 0W-20 Full Synthetic: PAO4(60%)+AN5(10%) achieves 2.80mPa·s HTHS, meeting GF-6
  • EV Drivetrains: PAO2(Noack 8.6%) solves e-motor cooling compatibility
  1. ​​Industrial Equipment​​
  • Wind Turbine Gearboxes: PAO1000(1008cSt@100℃) ensures -40℃ cold starts
  • CNC Machines: AN23(206cSt@40℃) enables zero spindle wear
  1. ​​Specialty Lubrication​​
  • High-Temperature Chains: AN15(260℃ flash point) triples service life at 200℃
  • Aerospace: PAO40+AN15 blends pass MIL-PRF-23699 certification
5. Heao Product Recommendations
  1. ​​PAO Portfolio​​
  • Energy-Efficient PAO4: For 0W-16/0W-20 oils, 3605mPa·s CCS@-35℃
  • Ultra-Viscous PAO1000: Shear stability index (SSI) <5% for wind gearboxes
  • Metallocene PAO: Narrow PDI(1.05) enhances formulation stability
  1. ​​AN Product Line​​
  • General AN5: 71% coking reduction replacing 10% Group III oil
  • High-Temp AN23: 288℃ thermal stability meets ISO 6743-4
  • Custom AN30: Supports -50℃ extreme conditions
  1. ​​Blending Solutions​​
  • Hydraulic Oil: PAO8(45%)+AN5(5%)+ester(10%), 5000h+ oxidation life
  • Gear Oil: PAO40(30%)+AN15(15%), passes FZG Stage 12 test
This research demonstrates Heao'stechnological leadership in synthetic base oils through precise molecularengineering and application-driven development, providing reliable solutionsfor industrial upgrading and energy transition.
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