Description

Polyiminocarbonyl(Carboxy-1,3-Phenylene)Carbonylimino-1,4-Phenylenemethylene-1,4-Phenylene is a high-performance polyimide precursor or oligomer known for its exceptional thermal stability and mechanical properties. This advanced material is critical for applications demanding high-temperature resistance, chemical inertness, and superior dielectric strength. It is primarily sought by manufacturers in the electronics, aerospace, and specialty coatings industries for creating durable, high-reliability components and insulating layers.

Application

• Advanced Polyimide Synthesis: Serves as a key monomer or oligomer for producing high-temperature, aromatic polyimide resins and films.
• Electronic Encapsulation & Passivation: Used in the formulation of protective coatings and dielectric layers for semiconductors and microelectronics.
• High-Temperature Adhesives & Sealants: A vital component in adhesives designed for aerospace and automotive applications where thermal stability is paramount.
• Specialty Composite Matrices: Employed as a matrix resin for carbon fiber or glass fiber composites in demanding structural applications.
• Flexible Printed Circuit Boards (FPCBs): Used in the production of high-performance, heat-resistant substrates for flexible electronics.
• Protective & Insulating Coatings: Formulated into coatings for wires, motors, and other components requiring long-term thermal and chemical protection.

Basic Information

Product Name	Polyiminocarbonyl(Carboxy-1,3-Phenylene)Carbonylimino-1,4-Phenylenemethylene-1,4-Phenylene
CAS No.	9071-54-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Poly(amic acid) precursor; BTDA-based polyimide oligomer; 4,4'-(Hexafluoroisopropylidene)diphthalic anhydride - aromatic diamine copolymer precursor; Polyimide prepolymer; Thermoplastic polyimide intermediate; Kapton-type precursor; Aromatic poly(amic acid); High-temperature polymer intermediate
EINECS	Contact for details

Quality Control

Our Polyiminocarbonyl(Carboxy-1,3-Phenylene)Carbonylimino-1,4-Phenylenemethylene-1,4-Phenylene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including assessment of inherent viscosity, residual solvent content, and functional group analysis, to ensure consistency and performance for advanced polymer synthesis. Certificates of Analysis (COA) documenting key specifications are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). This material is moisture-sensitive (hygroscopic); ensure containers are sealed immediately after use to prevent absorption of atmospheric moisture, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Yellow to amber powder or solid
Identification (IR)	Conforms to structure
Inherent Viscosity	Contact for details
Assay (Active Oligomer Content)	≥ 95.0%
Volatile Content (Loss on Drying)	≤ 2.0%
Residual Solvents (GC)	Meets ICH guidelines

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