Styrenated Diphenylamine (CAS 68442-68-2): Comprehensive Technical Guide
Table of Contents
1. Product Overview & Specifications
Chemical Name: Styrenated Diphenylamine
CAS No: 68442-68-2
Molecular Formula: C12H11N (Primary structure) / C28H27N (Polymerized form)
Molecular Weight: 169.22 g/mol (Base compound)
Technical Specifications Comparison
| Parameter | Standard Grade | Premium Grade |
|---|---|---|
| Purity | ≥99% | ≥99.5% |
| Form | Viscous Liquid | Powder/Flakes |
| Density (20°C) | 1.08-1.09 g/cm³ | 1.07-1.08 g/cm³ |
| Flash Point | >200°C | >220°C |
2. Key Applications
Rubber Industry
- Primary antioxidant for tires (sidewalls, treads)
- Industrial rubber products (conveyor belts, hoses)
- Footwear rubber compounds
Polymer Stabilization
- PE/PP film stabilization
- Nylon fiber protection
- Engineering plastics
3. Performance Advantages
| Property | Benefit |
|---|---|
| Thermal Stability | Effective up to 150°C continuous service |
| Migration Resistance | <0.5% weight loss @1000h/85°C |
| Compatibility | Excellent with SBR, NR, NBR, CR elastomers |
4. Industry Use Cases
Case 1: Tire Manufacturing
Application: Sidewall compounds
Result: 40% improvement in ozone resistance
Case 2: Industrial Hose Production
Application: Hydraulic hose covers
Result: 2× service life extension
5. Client Success Stories
Client A: Global Tire Manufacturer
Challenge: Premature sidewall cracking
Solution: 1.8 phr addition in compound
Outcome: 18-month warranty extension
Client B: Automotive Seals Supplier
Challenge: Compression set degradation
Solution: Synergistic blend with RD
Outcome: 35% improvement in sealing performance
6. Technical Consultation
For formulation support or technical specifications:
Email: info@vivalr.com
Tel: (86) 15866781826
Request SDS, TDS, or application notes:
- Custom concentration solutions
- Technical partnership programs
- Sample testing protocols
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