Description

Poly[Imino-1,4-Phenyleneiminocarbonyl(Ar,Ar'-Dicarboxy[1,1'- Biphenyl]-Ar,Ar'-Diyl)Carbonyl] is a high-performance polyimide polymer known for its exceptional thermal stability and mechanical properties. This advanced material is engineered to meet the demanding requirements of high-tech manufacturing and research applications. It is primarily sought after by industries involved in electronics, aerospace, and specialty coatings where reliability under extreme conditions is critical.

Application

• Advanced Electronics: As a dielectric layer or passivation coating in semiconductors, flexible printed circuits (FPCs), and microelectronics.
• Aerospace Components: For high-temperature resistant films, adhesives, and composite matrices in engine parts and airframe structures.
• Specialty Coatings & Adhesives: Used in formulating high-durability, thermally stable protective coatings and high-performance adhesives.
• Membrane Technology: As a key material for gas separation or filtration membranes requiring chemical and thermal resistance.
• Precursor for High-Strength Fibers: In the synthesis of polyimide fibers for protective clothing, industrial fabrics, and advanced composites.
• 3D Printing Materials: As a high-performance resin for additive manufacturing of parts requiring thermal and mechanical robustness.

Basic Information

Product Name	Poly[Imino-1,4-Phenyleneiminocarbonyl(Ar,Ar'-Dicarboxy[1,1'- Biphenyl]-Ar,Ar'-Diyl)Carbonyl]
CAS No.	71329-95-8
Molecular Formula	(C28H14N2O4)n
Molecular Weight	~442.42 (monomer unit)
Synonyms	Polyimide from Pyromellitic Dianhydride and 4,4'-Oxydianiline (PMDA-ODA type); Poly(4,4'-oxydiphenylene pyromellitimide); Kapton-type Polyimide; Poly(pyromellitimide-1,4-diphenylene ether); PMDA/ODA Polyimide; Poly[N,N'-(oxydi-4,1-phenylene)pyromellitimide]; Thermoplastic Polyimide Resin; High-Temperature Polyimide Polymer
EINECS	Contact for details

Quality Control

Our Poly[Imino-1,4-Phenyleneiminocarbonyl(Ar,Ar'-Dicarboxy[1,1'- Biphenyl]-Ar,Ar'-Diyl)Carbonyl] is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure consistent purity, molecular weight distribution, and thermal properties. Comprehensive Certificates of Analysis (COA) detailing key specifications are provided to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the original container sealed to prevent moisture absorption and degradation of properties.

Specification

Item	Specification
Appearance	Yellow to amber powder or granules
Identification (IR)	Conforms to structure
Inherent Viscosity	0.5 - 1.2 dL/g (typical)
Glass Transition Temperature (Tg)	> 360 °C
Thermal Decomposition Temperature (Td)	> 500 °C
Moisture Content	< 1.0 %
Ash Content	< 0.1 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.