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N-PHENYL-4-BIPHENYLAMINE (CAS 32228-99-2) Comprehensive User Guide
Table of Contents
1. Product Overview & Specification Comparison
Basic Parameters
| Parameter | Value |
|---|---|
| Chemical Name | N-Phenyl-4-biphenylamine |
| CAS Number | 32228-99-2 |
| Molecular Formula | C18H15N |
| Appearance | Light yellow to brown crystalline powder |
| Melting Point | 105-110°C |
Competitive Comparison
| Feature | N-Phenyl-4-biphenylamine | Traditional Antioxidant 6PPD |
|---|---|---|
| Thermal Stability | Excellent (up to 160°C) | Good (up to 130°C) |
| Oxidation Induction Time | ≥45 mins | ≤30 mins |
2. Key Applications & Functional Advantages
Primary Industrial Uses
- Rubber Manufacturing: Prevents thermo-oxidative degradation in tires, hoses, and seals.
- Polymer Stabilization: Extends lifespan of ABS, NBR, and SBR polymers.
- Lubricant Additive: Reduces sludge formation in high-temperature industrial oils.
3. Usage Scenarios & Implementation
Typical Formulation Ratios
| Application | Recommended Dosage |
|---|---|
| Tire Sidewalls | 1.5-2.5 phr |
| Engine Gaskets | 0.8-1.2 phr |
4. Verified Customer Case Studies
Case 1: Asian Tire Manufacturer
Challenge: Premure sidewall cracking in radial tires exposed to tropical climates.
Solution: 2.0 phr N-Phenyl-4-biphenylamine additive
Result: 40% reduction in warranty claims, 18-month extended shelf life.
Case 2: European Industrial Hose Supplier
Challenge: Degradation in hydraulic hoses operating at 90-110°C.
Solution: 1.8 phr concentration in NBR compound
Result: 3x improvement in service life under continuous heat stress.
5. Technical Inquiry & Ordering
Contact our material science team for formulation support or bulk pricing:
- Email: info@vivalr.com
- Tel: (86) 15866781826
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