4,4′-(Ethyne-1,2-diyl)diphthalic Anhydride (CAS 129808-00-0) User Guide
Table of Contents
1. Product Overview & Specifications
4,4′-(Ethyne-1,2-diyl)diphthalic Anhydride (CAS 129808-00-0) is a high-purity aromatic dianhydride monomer used in advanced polymer synthesis. Key parameters:
| Parameter | Value |
|---|---|
| Molecular Weight | 412.33 g/mol |
| Purity | ≥99.5% |
| Melting Point | 285-290°C |
| Thermal Stability | Up to 400°C |
Comparative Analysis
| Feature | Our Product | Standard Dianhydrides |
|---|---|---|
| Solubility | Superior in polar aprotic solvents | Limited |
| Crosslinking Density | 15-20% higher | Baseline |
2. Key Applications
- Polyimide Production: Core monomer for heat-resistant films
- Electronic Encapsulation: Critical in semiconductor packaging
- Aerospace Composites: Matrix material for CFRP
3. Usage Scenarios
Scenario 1: Flexible Printed Circuits
Enables production of foldable displays through high-Tg polyimides (350°C+ stability).
Scenario 2: Rocket Nozzle Components
Used in ablative materials requiring extreme thermal resistance.
4. Client Case Studies
Case 1: Advanced Electronics Manufacturer
Challenge: Needed dielectric material for 5G mmWave modules
Solution: Custom polyimide formulation using CAS 129808-00-0
Result: Achieved Dk=2.8 with 0.002 loss tangent
Case 2: Aerospace Supplier
Challenge: Reducing satellite component weight by 30%
Solution: Composite matrix optimization
Result: Maintained mechanical strength at -196°C to +320°C
5. Contact for Quotation
Request technical specifications or pricing:
| info@vivalr.com | |
| Phone | (86) 15866781826 |
Our chemical engineers will respond within 2 business hours with customized solutions.
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