In the field of photocurable materials, deep curing ability is a key indicator to measure the performance of photoinitiators. Traditional photoinitiators often face problems such as insufficient curing depth, poor thermal stability or residual odor. Especially in industrial scenarios that require high precision and high weather resistance (such as electronic packaging and precision coatings), a solution with both high performance and stability is urgently needed. As a deep curing photoinitiator based on triarylsulfonium salt technology, Uyracure-160 provides a breakthrough choice for the industry with its unique chemical structure and performance advantages.
Product Features: Analysis of Technical Advantages
The chemical composition of Uyracure-160 is 4-(phenylthio)phenyl diphenylsulfonium hexafluorophosphate (molecular weight 516.50), and its design incorporates the conjugated structural characteristics of triarylsulfonium salts. The conjugated effect of sulfur atoms and three aromatic rings disperses the positive charge, allowing it to efficiently cleave after light excitation, releasing active substances, thereby driving a rapid polymerization reaction. The following are its core performance highlights:
1. Deep curing ability:
The absorption wavelength is 290nm, which can penetrate deep into the material to ensure uniform curing and avoid defects such as over-curing of the surface layer and unreacted bottom layer. This feature makes it particularly suitable for thick coatings, high-density adhesives and LED packaging.
2. Excellent thermal stability:
It does not decompose below 300°C, and will not cause pre-polymerization even if it is heated at high temperature after mixing with the monomer, ensuring the safety of the processing process.
3. Environmental protection and practicality:
No odor, no migration characteristics, meet the stringent requirements of precision electronics and food contact materials; viscosity is only 420cps (25℃), easy to mix evenly with other components.
4. Broad spectrum applicability:
The active ingredient is 50% propylene glycol carbonate solution, compatible with cationic curing system, suitable for a variety of formulations such as transparent coatings, inks, adhesives, etc.
Application scenarios: Precisely match industrial needs
Uyracure-160's deep curing photoinitiator properties give it unique advantages in multiple high-value fields:
1. Electronic packaging and LED manufacturing:
In LED encapsulation glue, its deep curing ability ensures full cross-linking of optical materials, avoids bubbles or stratification, and improves device life and light efficiency consistency.
2. High-performance coatings and inks:
Applicable to transparent coatings such as automobiles and optical lenses. After curing, the surface is smooth and non-yellowing, and has excellent weather resistance; it can achieve fast drying and high adhesion in UV inks.
3. Medical adhesives and composite materials:
Meet the requirements of medical devices for non-toxicity and low volatility, while supporting deep curing of complex structures and reducing process time.
Technical parameters and usage recommendations
Key data: density 1.450 g/cm³, viscosity 420cps (25℃), active ingredients 50%.
Operation tips: It is recommended to use cationic monomers or low-polarity resin systems to avoid mixing with strong alkaline substances; the preferred curing light source is a medium-pressure mercury lamp (main wavelength 365nm).
Conclusion: Promoting the future of photocuring technology
Uyracure-160 redefines the performance standards of deep-layer curing photoinitiators by optimizing the structure of triarylsulfonium salts. Its fast response, high penetration and environmentally friendly characteristics provide reliable technical support for precision manufacturing, electronic packaging and high-end coatings. Under the trend of Industry 4.0 and green manufacturing, the application prospects of such innovative materials will be broader.