In the fast-evolving optics and electronics industries, 4-Biphenylylmethyl Acrylate (BPMA) has emerged as a cornerstone material for advanced applications. Known chemically as HM-103, this high-performance monomer from Shenzhen U-Sunny (优阳) combines cutting-edge innovation with sustainability, positioning it as a leader in the global market.
Technical Excellence of HM-103 (BPMA)
HM-103, with CAS No. 54140-58-8 and molecular formula C<sub>16</sub>H<sub>14</sub>O<sub>2</sub>, is engineered for precision. Key properties include:
High Refractive Index (n<sub>D</sub> > 1.65): Enhances light transmission in optical coatings, achieving >98% transmittance for AR/VR lenses and smartphone displays .
Ultra-Fast UV Curing: Polymerizes in <30 seconds under 365 nm UV light, accelerating production cycles by 40% compared to conventional monomers .
Thermal Stability (up to 200°C): Ensures reliability in automotive LiDAR systems and industrial sensors exposed to extreme conditions .
Low Shrinkage (<3%): Maintains dimensional stability in micro-optics and waveguides, critical for 5G fiber optics and foldable OLED screens .
Applications Driving Industry Innovation
As a BPMA monomer, HM-103 is integral to:
OCA Optical Adhesives: Dominating 70% of BPMA's usage, it enables bubble-free bonding for touchscreens and flexible displays .
Automotive Electronics: Protects cockpit displays and LED headlights from thermal cycling and UV degradation .
5G & IoT: Provides low-loss protective coatings for high-speed communication modules and smart device sensors .
Sustainable Manufacturing: Compliant with RoHS/REACH standards, HM-103 emits near-zero VOCs, aligning with global eco-initiatives .
Why Choose Shenzhen U-Sunny's HM-103?
U-Sunny stands out through:
R&D Leadership: Proprietary formulations allow customization of viscosity (130–170 mPa·s) and refractive index (1.56–1.60) for niche applications like biomedical sensors .
Cost Efficiency: A 5–8% dosage reduces material costs by 15–20%, while rapid curing slashes energy consumption .
Quality Assurance: Electronic-grade purity (>99%) and ultra-low metal ion content (<100 ppb) ensure batch-to-batch consistency .
Clients report 20–30% improvements in production efficiency and product lifespan, particularly in AR/VR and automotive sectors .
Future Trends & Market Outlook
With the global optical adhesive market projected to grow at 8.5% CAGR (2025–2030), HM-103 is poised to drive innovations in smart glasses, renewable energy systems, and miniaturized IoT devices . Its unique balance of speed, durability, and environmental compliance cements U-Sunny's role as a pioneer in next-gen materials.
