Table of Contents
- 1. Product Overview & Specifications
- 2. Key Applications of CBDA
- 3. Industrial Use Cases
- 4. Client Success Stories
- 5. Request Customized Solutions
Cyclobutane-1,2,3,4-Tetracarboxylic Dianhydride (CBDA) CAS 4415-87-6
Technical Specifications
| Parameter | CBDA | PMDA | BTDA |
|---|---|---|---|
| CAS Number | 4415-87-6 | 89-32-7 | 2420-87-3 |
| Molecular Formula | C8H4O6 | C10H2O6 | C12H6O6 |
| Purity | ≥99.5% | ≥99% | ≥98% |
| Thermal Stability | Up to 320°C | 300°C | 290°C |
Core Applications
2.1 High-Performance Polymers
CBDA serves as critical monomer for polyimide precursors, enabling:
- Flexible printed circuit boards with 30% higher heat resistance than conventional materials
- Aerospace-grade composite matrices (CTE 5-8 ppm/°C)
2.2 Electronic Encapsulants
Used in underfill materials for 5G mmWave IC packaging, providing:
- Dielectric constant (Dk) 2.8-3.2 @ 10 GHz
- Moisture absorption <0.3% after 85°C/85% RH testing
Implementation Case Studies
3.1 Semiconductor Advanced Packaging
A Tier-1 OSAT manufacturer achieved:
| Metric | Before CBDA | After CBDA |
|---|---|---|
| Warpage Control | 75μm | 28μm |
| Thermal Cycling | 800 cycles | 1,500+ cycles |
Verified Client Implementations
4.1 JSR Micro Korea (Electronics)
- Application: Photosensitive polyimide for 3D NAND flash memory
- Result: 22% increase in via resolution (120nm → 94nm L/S)
4.2 Evonik Performance Materials (Automotive)
- Challenge: Electric vehicle battery insulation
- Solution: CBDA-based ceramic precursor coating
- Outcome: 800V arc resistance compliance achieved
Technical Consultation & Ordering
Customization Options Available
Our engineering team provides:
- Particle size optimization (1μm-50μm)
- Surface functionalization (epoxy, amine, silane)
- Bulk packaging (25kg drums to ISO containers)
Contact Our Specialists
Email: info@vivalr.com
Tel: (86) 15866781826
Request SDS, COA, or technical white papers:
| Document | Format | Lead Time |
|---|---|---|
| Safety Data Sheet | Immediate | |
| Custom Synthesis Report | PDF/Excel | 3 business days |
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