Description

1H-Pyrrole-2,5-Dione, 1,1-(Methylenedi-4,1-Phenylene)Bis-, Polymer With 4,4-Methylenebisbenzenamine is a high-performance polyimide precursor or oligomer, valued for its exceptional thermal stability and mechanical properties. This advanced material is engineered to serve as a critical building block in the synthesis of high-temperature resistant polymers and coatings. It is primarily sought after by manufacturers in the aerospace, electronics, and advanced composite materials industries for applications demanding reliability under extreme conditions.

Application

• High-Temperature Polyimide Resins: Serves as a key monomer for producing polyimides used in aerospace components and engine parts.
• Electronic Encapsulants & Passivation Layers: Used in the manufacture of protective coatings for semiconductors and microelectronics.
• Advanced Composite Matrices: Acts as a resin matrix for carbon fiber and other high-strength composites in automotive and industrial applications.
• Adhesives and Sealants: Formulated into high-performance adhesives for bonding metals and ceramics in demanding environments.
• Flexible Printed Circuit Boards (FPCBs): Employed in the production of heat-resistant base films and coverlays.
• Wire & Cable Insulation: Used to create insulating materials that can withstand elevated temperatures.
• Industrial Protective Coatings: Formulated into coatings for chemical processing equipment requiring corrosion and heat resistance.

Basic Information

Item	Details
Product Name	1H-Pyrrole-2,5-Dione, 1,1-(Methylenedi-4,1-Phenylene)Bis-, Polymer With 4,4-Methylenebisbenzenamine
CAS No.	26140-67-0
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Poly(4,4'-methylenebisbenzenamine-co-1,1'-(methylenedi-4,1-phenylene)bis-1H-pyrrole-2,5-dione); Bismaleimide (BMI) oligomer; 4,4'-Bismaleimidodiphenylmethane (BMIM) prepolymer; Thermosetting polyimide precursor; BMI resin; BMIM polymer; 1,1'-(Methylenedi-4,1-phenylene)bismaleimide polymer; MDA-BMI copolymer
EINECS	Contact for details

Quality Control

Our production of this advanced polymer adheres to stringent quality protocols to ensure batch-to-batch consistency and performance. Quality is verified through analytical techniques including Gel Permeation Chromatography (GPC) for molecular weight distribution and thermal analysis (DSC/TGA). A comprehensive Certificate of Analysis (COA) detailing purity, reactivity, and physical properties is provided with every shipment to support your quality assurance and R&D processes.

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). Keep away from heat sources and incompatible materials. The material may be moisture-sensitive; ensure containers are sealed after use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to brown powder or granules
Identification (IR)	Conforms
Melting Point (DSC)	Contact for details
Gel Time (at 180°C)	Contact for details
Viscosity (Melt)	Contact for details
Residual Monomer (HPLC)	< 1.0%
Moisture Content (KF)	< 0.5%

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