2,6-Di-tert-butylphenol (CAS 128-39-2): Comprehensive User Guide

1. Product Overview & Specifications

2,6-Di-tert-butylphenol (CAS 128-39-2) is a high-performance phenolic antioxidant with the following technical specifications:

2. Key Applications & Industry Uses

As a versatile antioxidant, 2,6-Di-tert-butylphenol serves critical functions across multiple industries:

2.1 Polymer Stabilization

• Prevents thermal degradation in polyolefins (PP, PE)
• Enhances UV resistance in PVC formulations
• Extends service life of rubber products

2.2 Lubricant Additives

• Reduces oxidative breakdown in engine oils
• Maintains viscosity stability at high temperatures

2.3 Fuel Antioxidant

• Prevents gum formation in gasoline
• Improves diesel fuel stability during storage

3. Performance Comparison with Alternatives

4. Practical Usage Scenarios

4.1 Polymer Manufacturing

Recommended dosage: 0.1-0.5% w/w in polypropylene formulations significantly improves melt flow stability during extrusion processes.

4.2 Lubricant Formulation

Blend with zinc dialkyldithiophosphates (ZDDP) at 1:2 ratio enhances synergistic antioxidant effects in engine oils.

5. Verified Customer Case Studies

Case Study 1: Automotive Plastics Manufacturer

Client: Top 3 global automotive supplier
Challenge: Reduce yellowing in interior PVC components
Solution: 0.3% 2,6-DTBP additive package
Result: 60% reduction in UV-induced discoloration

Case Study 2: Industrial Lubricant Producer

Client: European specialty lubricant company
Challenge: Extend oil drain intervals in heavy machinery
Solution: Custom antioxidant blend with 2,6-DTBP
Result: Achieved 400-hour continuous operation stability

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