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Specifications of 4,4-(4,4-Isopropylidenediphenoxy)bis(phthalic anhydride)丨CAS 38103-06-9
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Appearance: |
Off white to light yellow powder |
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Purity (HPLC): |
99% min |
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Melting Point: |
188–192°C |
Key Applications of 4,4-(4,4-Isopropylidenediphenoxy)bis(phthalic anhydride)丨CAS 38103-06-9
1. High-Performance Polyimides
The most prominent application of this compound is as a dianhydride monomer in the synthesis of polyimides:
● Polyimides made from this compound exhibit excellent thermal stability, mechanical strength, chemical resistance, and electrical insulation properties.
● These materials are used in:
oFlexible printed circuit boards
oSemiconductor manufacturing
oAerospace insulation materials
oDisplay and solar cell films
Its bulky, rigid structure imparts good film-forming characteristics while maintaining high-temperature performance.
2. Advanced Coatings and Varnishes
● Acts as a base component for producing high-temperature resistant coatings and varnishes, particularly in electronics, automotive, and aerospace industries.
● Used in powder coatings that need to withstand prolonged thermal or chemical exposure.
3. Composite Materials
● Essential for producing high-performance resins used in carbon fiber-reinforced composites.
● These composites are used in aircraft parts, spacecraft structures, and sports equipment, offering a superior strength-to-weight ratio.
4. Electronic & Electrical Insulation Materials
● Incorporated into dielectric materials and encapsulation compounds for integrated circuits (ICs), transistors, and microprocessors.
● Ensures long-term stability and insulation under electrical and thermal stress.
Benefits of 4,4-(4,4-Isopropylidenediphenoxy)bis(phthalic anhydride)丨CAS 38103-06-9
✅ Thermal and Oxidative Stability
Polyimides derived from this compound can withstand temperatures above 250°C, making them ideal for high-temperature applications.
✅ Excellent Dielectric Properties
Its use in polymers results in materials with low dielectric constants and loss, suitable for high-frequency electronics.
✅ Dimensional Stability
The rigid structure prevents warping or deformation, even under harsh environmental conditions.
✅ Good Solubility in Organic Solvents (as a Monomer)
Facilitates easier processing during the manufacture of polyimide films and coatings.
✅ Customizable Polymers
Its integration allows tuning of mechanical, thermal, and optical properties by pairing with different diamines during polyimide synthesis.
Conclusion
4,4-(4,4-Isopropylidenediphenoxy)bis(phthalic anhydride)丨CAS 38103-06-9 is a specialty dianhydride that serves as a critical monomer in the development of high-performance polyimide materials. Its unique molecular architecture imparts a balance of rigidity, thermal resistance, and processability, making it indispensable in electronics, aerospace, and advanced composite industries. As demand grows for lightweight, heat-resistant materials, this compound continues to play a central role in cutting-edge material science.
