Description

Poly(Benzimidazobenzophenanthroline) 9& is a high-performance ladder polymer known for its exceptional thermal and chemical stability. This material matters for applications demanding extreme durability under harsh environmental conditions, such as high temperatures and oxidative stress. It is primarily needed by industries focused on advanced materials, including aerospace, electronics, and specialty coatings, where long-term reliability is critical.

Application

• High-temperature resistant coatings and films for aerospace components.
• Matrix material for advanced composite systems requiring thermal-oxidative stability.
• Dielectric and insulating layers in high-performance electronic devices.
• Precursor for carbon molecular sieves and gas separation membranes.
• Additive for enhancing the thermal properties of engineering plastics.
• Research and development of novel organic semiconductors and conductive polymers.

Basic Information

Product Name	Poly(Benzimidazobenzophenanthroline) 9&
CAS No.	34398-57-7
Molecular Formula	(C20H10N2)n
Molecular Weight	Contact for details
Synonyms	BBL Polymer; Poly(benzimidazobenzophenanthroline); Ladder Polymer BBL; Poly[7-oxo-7H-benz[de]imidazo[4',5':5,6]benzimidazo[2,1-a]isoquinoline-3,4:10,11-tetrayl-10-carbonyl]; BBL (Polymer); Poly(bisbenzimidazobenzophenanthroline); Thermally Stable Ladder Polymer
EINECS	Contact for details

Quality Control

Our Poly(Benzimidazobenzophenanthroline) 9& undergoes rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) are available upon request, detailing key parameters such as intrinsic viscosity, thermal stability, and elemental composition to guarantee batch-to-batch consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C) under an inert atmosphere such as nitrogen or argon to prevent oxidation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark brown to black powder or solid
Identification (IR)	Conforms to structure
Thermal Decomposition Temperature	> 600 °C (in N2)
Intrinsic Viscosity	Contact for details
Ash Content	< 1.0 %
Solubility	Soluble in concentrated sulfuric acid, methanesulfonic acid

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