Monomer
Ester-Type Diamine Compound "BPMAN"
BPMAN is an ether-type aromatic diamine designed for high-performance polyimides and poly(ester-imide) materials. Its unique structure combines a rigid aromatic backbone with α,α-dimethylbenzyl substituents and para-aminophenyl terminals, offering an optimal balance of thermal stability and molecular flexibility.
Key Features
High Tg due to rigid aromatic backbone, maintaining thermal stability at elevated temperatures
Suppressed intermolecular charge transfer complex (CTC) formation, reducing coloration and enhancing optical transparency
Ether linkages provide molecular flexibility while retaining dimensional stability
Low water absorption ensures excellent environmental stability
Facilitates low dielectric constant (Low-k), ideal for high-frequency applications
Balanced mechanical properties with improved ductility and crack resistance
Target Applications
High-frequency insulation layers (Low-k)
Semiconductor interlayer dielectric films (ILD)
Flexible electronic devices and high-temperature adhesives
Structural formula
Diamine BPMAN
1,3-bis[4-(4-aminophenoxy)-α,α-dimethylbenzyl]benzene
Molecular Weight：528.68
Chemical Formula：C₃₆H₃₆N₂O₂