Bisphenol A Cyanate Ester Cas 1156-51-0
Chemical Name: Bisphenol A cyanate est
CAS No.: 1156-51-0
Appearance:White powder crystal
Assay:≥98.0%
Sample: Available
related documents:
COA of 2,2-Bis-(4-cyanatophenyl)propane
TDS of 2,2-Bis-(4-cyanatophenyl)propane
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Table of Contents
- Product Overview
- Key Parameters & Comparative Analysis
- Detailed Applications
- Usage Guidelines
- Client Case Studies
- Contact for Technical Consultation
Bisphenol A Cyanate Ester (CAS 1156-51-0) Overview
Chemical Specifications
| Parameter | Specification |
|---|---|
| CAS Number | 1156-51-0 |
| Molecular Formula | C17H14N2O2 |
| Molecular Weight | 278.31 g/mol |
| Appearance | White crystalline powder |
| Purity | ≥99.5% |
| Density | 1.30 g/cm³ |
| Melting Point | 78-82°C |
| Solubility | Soluble in acetone, DMF; insoluble in water |
Performance Comparison with Competing Materials
| Property | Bisphenol A Cyanate Ester | Epoxy Resins | Polyimide |
|---|---|---|---|
| Glass Transition Temp (Tg) | 280-320°C | 120-250°C | 250-400°C |
| Dielectric Constant (1MHz) | 2.8-3.2 | 3.5-4.5 | 3.0-3.5 |
| Moisture Absorption | <0.5% | 1.2-2.5% | 0.8-1.5% |
| Cure Temperature | 180-220°C | 80-150°C | 250-350°C |
Industrial Applications
1. Advanced Composites
Used in aerospace structural components requiring high strength-to-weight ratios and thermal stability up to 300°C.
2. Electronics Encapsulation
Ultra-low dielectric loss (0.002-0.005 at 10 GHz) makes it ideal for 5G communication substrates and radar systems.
3. Adhesive Formulations
Provides peel strength exceeding 15 N/mm in bonding carbon fiber reinforced polymers (CFRP).
Operational Protocols
Processing Recommendations
| Stage | Parameters |
|---|---|
| Mixing | Use anhydrous solvents under <40% RH conditions |
| Curing | Stage 1: 150°C/2hr → Stage 2: 220°C/4hr |
| Post-Cure | 240°C/2hr for optimal crosslinking |
Safety Precautions
- Wear NIOSH-approved P100 respirator during powder handling
- Maintain workshop ventilation ≥10 air changes/hour
Client Implementation Cases
Case 1: Satellite Antenna Manufacturer
Client: Leading European aerospace contractor
Challenge: Required dielectric material stable across -180°C to +200°C
Solution: Developed cyanate ester composite with 0.003 dielectric loss at 30 GHz
Outcome: 22% signal loss reduction vs. previous epoxy-based systems
Case 2: Automotive Radar Producer
Client: Tier-1 automotive electronics supplier
Challenge: Moisture-induced circuit degradation in ADAS systems
Solution: Implemented 0.35mm cyanate ester encapsulation layer
Result: Passed 2000hr 85°C/85% RH testing without capacitance drift
Technical Consultation & Sample Requests
For formulation assistance or material testing data:
Email: info@vivalr.com
Tel: (86) 15866781826
Provide your application requirements for customized recommendations.



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