What is BPMA? Key Properties and Applications
BPMA (CAS 54140-58-8), with the molecular formula C₁₆H₁₄O₂ and a molecular weight of 238.28, is a critical monomer in OCA optical adhesives, photoresists, and high-refractive-index coatings . Its exceptional refractive index (1.593–1.596) and thermal stability make it ideal for semiconductor processes requiring precision, such as EUV lithography and flexible display manufacturing .
U-Sunny's HM-103 elevates these properties further, offering:
Ultra-High Refractive Index: >1.65 (nD), surpassing industry standards for AR/VR lenses and optical coatings .
Rapid UV Curing: <30 seconds under 365nm light, boosting production efficiency by 20–30% .
Low Shrinkage: <3%, ensuring dimensional stability in micro-optics and waveguides .
Thermal Resistance: Stable up to 200°C, suitable for automotive LiDAR and industrial sensors .
HM-103 in Semiconductor and Optical Applications
1. Advanced Photolithography
BPMA's high purity (>99%) and low halide content minimize electrical defects in EUV and electron-beam lithography, critical for sub-7nm chip fabrication . HM-103's hydrolytic stability further prevents moisture-induced degradation in humid environments .
2. Flexible Displays and 5G Optics
HM-103 enables ultra-thin, bendable films for foldable OLEDs, with >98% light transmittance for smartphone and AR/VR displays . Its compatibility with roll-to-roll processing reduces costs in 5G optical fiber coatings and high-speed communication modules .
3. Automotive and Industrial Durability
In automotive sensors and LiDAR systems, HM-103's chemical inertness ensures reliability under extreme temperatures and corrosive conditions, extending product lifespans by 20–30% .
Why Choose U-Sunny's HM-103?
Sustainability: RoHS/REACH-compliant, near-zero VOC emissions, and reduced energy consumption during curing .
Cost Efficiency: Low dosage (5–8% wt.) cuts raw material costs by 15–20% .
Customization: Tailored viscosity and refractive index for niche applications like biomedical sensors or aerospace adhesives .
Future Trends and Market Leadership
With the semiconductor industry prioritizing miniaturization and energy efficiency, HM-103 is poised to drive innovations in IoT devices, smart glasses, and renewable energy systems . Shenzhen U-Sunny's R&D expertise and rigorous quality control solidify its position as a leader in next-generation optical materials.

