3,3′,4,4′-Biphenyltetracarboxylic Dianhydride (BPDA) CAS 2420-87-3: Comprehensive Technical Guide
Table of Contents
1. Product Overview & Comparative Analysis
| Parameter | BPDA | PMDA | BTDA |
|---|---|---|---|
| CAS Number | 2420-87-3 | 89-32-7 | 2421-28-5 |
| Melting Point | 298-302°C | 286°C | 230-234°C |
| Thermal Stability | >500°C | 450°C | 400°C |
BPDA demonstrates superior thermal resistance and mechanical stability compared to alternative dianhydrides, making it ideal for high-performance polyimide synthesis.
2. Industrial Applications & Functional Advantages
Core Applications:
- High-temperature resistant polyimide films
- Advanced composite matrices for aerospace
- Microelectronic encapsulation materials
- Liquid crystal alignment layers
Technical Benefits:
- Enables glass transition temperatures (Tg) exceeding 400°C
- Enhances dielectric strength (20-25 kV/mm)
- Improves tensile modulus (3.5-4.5 GPa)
3. Implementation Case Studies
Case 1: Flexible Printed Circuit Manufacturing
A global electronics manufacturer achieved 35% weight reduction in flexible circuits using BPDA-derived polyimedes, maintaining functionality at 300°C continuous operation.
Case 2: Satellite Component Production
Space-grade composite materials incorporating BPDA demonstrated 98% UV resistance retention after 5,000 hours of LEO simulation testing.
4. Client Success Stories
Client A: Advanced Materials Corporation
- Industry: Aerospace composites
- Challenge: Required materials stable at 500°C for reusable launch systems
- Solution: Custom BPDA formulation achieving 2,000 thermal cycles without degradation
Client B: Semiconductor Technologies Ltd.
- Application: Chip-scale packaging
- Result: Achieved 0.08% thermal expansion coefficient mismatch
- Yield Improvement: 22% increase in wafer-level reliability
5. Technical Consultation & Custom Solutions
Contact our material science specialists for application-specific formulations:
- Email: info@vivalr.com
- Phone: (86) 15866781826
Request formulation analysis or request material safety data sheets (MSDS):
- Custom purity grades (99.5%-99.99%)
- Bulk packaging solutions (25kg drums to ISO containers)
- Regulatory compliance documentation support



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