Maleic Anhydride Modified Castor Oil (CAS 68308-83-8): Comprehensive User Guide
Table of Contents
1. Product Overview & Specifications
Maleic Anhydride Modified Castor Oil (CAS 68308-83-8) is a chemically modified vegetable oil derivative with enhanced reactivity and thermal stability. Widely used as a bio-based polyol in polyurethane systems and a plasticizer in polymer formulations.
Technical Parameters
| Parameter | Specification | Standard Castor Oil |
|---|---|---|
| Viscosity @25°C (mPa·s) | 800-1,200 | 600-900 |
| Acid Value (mg KOH/g) | ≤ 3.0 | ≤ 2.0 |
| Hydroxyl Value (mg KOH/g) | 150-170 | 160-180 |
| Flash Point (°C) | ≥ 250 | ≥ 220 |
2. Key Applications & Use Cases
Primary Industrial Uses:
- Polyurethane Foams: Reactive polyol for flexible foams with improved flame retardancy
- Bio-based Plastics: Compatibilizer for PLA/PHA composites
- Coatings: Alkyd resin modifier for enhanced adhesion
- Lubricants: High-temperature stabilizer for industrial greases
3. Step-by-Step Usage Guidelines
For Polyurethane Formulations:
- Pre-heat to 50-60°C for optimal viscosity
- Mix with isocyanate at 1:1.05 molar ratio
- Catalyze with 0.3% dibutyltin dilaurate
- Cure at 80°C for 4 hours
4. Industry-Specific Case Studies
Automotive Seating Foam Production
A Tier 1 automotive supplier achieved 15% weight reduction in seat cushions while maintaining FMVSS 302 flammability compliance through 30% substitution of petroleum-based polyols with MA-modified castor oil.
5. Client Success Stories
Case 1: GreenPack Materials (Bioplastics)
- Challenge: Brittleness in compostable food packaging
- Solution: 8% MA-castor oil addition to PLA matrix
- Result: 40% improvement in impact strength
Case 2: EuroCoat Industries (Wood Coatings)
- Challenge: VOC reduction in furniture lacquers
- Solution: 25% resin solids replacement
- Result: 30% lower VOC emissions, faster curing
6. Technical Support & Inquiry
Our technical team provides formulation optimization, sample testing, and regulatory compliance guidance. Contact us for:
- Customized viscosity grades
- Batch-specific certificates of analysis
- Sustainability documentation (ISO 14040/44)
Contact:
Email: info@vivalr.com
Tel: (86) 15866781826
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