Monomer
Ester-Type Diamine Compound 『TBBAAB』
Ester-type aromatic diamine with tert-butyl substitution at 2-position
High Tg due to rigid aromatic backbone
Improved thermoplasticity and processability from increased intermolecular free volume
Suppressed CTC formation, reducing coloration and enhancing transparency
Low water absorption through hydrophobic t-Bu and ester combination
Facilitates low dielectric constant (Low-k), suitable for high-frequency applications
Performance Benefits
Transparent polyimide films with high optical clarity
Stable under high temperature and harsh environments
Flexible and ductile polyimide layers for advanced electronic devices
Enhanced high-frequency electrical performance
Target Applications
・High-Frequency Insulation Layers (Low-k)
・Display and Touch Panel Substrates
・Semiconductor Interlayer Insulation Films
・Flexible Electronic Devices and High-Temperature Adhesives
Structural formula
TBBAAB
（(2-t-butyl-4-amino phenyl)-4-aminobenzoate）
Molecular Weight：284.36
Chemical Formula：C₁₇H₂₀N₂O₂