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The Functions of UV 3C Coatings (Part II)
Release time:
2026-06-15 07:09
As the performance of consumer electronics continues to improve, surface coatings now extend far beyond their traditional roles of protection and decoration. From the smooth touch experience of displays to outdoor readability, from seamless wireless signal transmission to additional features like antibacterial properties and self‑healing capabilities, UV‑curable 3C coatings are enhancing user experience in increasingly diverse ways.
I. Enhancing the Touch Experience
For electronic devices with touchscreens, the coating’s impact on the touch experience is particularly important.
Fingerprint resistance is a key feature for enhancing the touch experience. During use, touchscreens inevitably pick up finger oils, leaving behind fingerprint marks. A fingerprint‑resistant coating lowers the surface energy of the coating, making it harder for fingerprint oils to adhere and ensuring that any marks left are easier to wipe away. This feature directly improves user experience by reducing the hassle of frequent screen cleaning.
Haptic optimization is another crucial aspect of the touch experience. The surface properties of the UV 3C coating directly influence the smoothness felt when a finger glides across the screen. An optimized coating features a moderate coefficient of friction, ensuring fluid, natural swiping—neither too stiff nor overly slick—thus delivering a comfortable and intuitive touch‑interaction experience for users.
The hydrophobic and oleophobic properties give the coating a self‑cleaning effect. Water droplets roll off the hydrophobic surface in a spherical shape, carrying away some surface contaminants; likewise, oil stains struggle to wet the surface, reducing their adhesion. This characteristic also helps keep the screen and housing clean.
II. Optical Performance Regulation Effect
Around optical components such as screens and cameras, the optical‑performance‑tuning function of UV 3C coatings is particularly important.
Anti-glare is an essential feature of screen coatings. Ambient light reflecting off the smooth surface of a glossy display can cause glare, compromising visibility in outdoor or brightly lit environments. Anti-glare coatings achieve this by creating a micro‑textured surface that transforms specular reflections into diffuse ones, thereby reducing reflection intensity and enhancing screen readability under bright lighting conditions.
Anti-reflection coating can enhance the optical efficiency of a display. By incorporating a specialized refractive-index‑matching design into the coating, reflection losses at the screen surface are minimized, allowing more light to pass through and thereby improving brightness and image clarity.
III. Conductive and Shielding Functions
In certain specific applications, UV 3C coatings are also required to provide electrical conductivity or electromagnetic shielding.
Non-conductive properties are a critical requirement for the surface coatings of mobile phones and other wireless communication devices. Metallic coatings can shield electromagnetic waves, thereby degrading antenna signal reception. Non-conductive vacuum deposition technology achieves this by precisely controlling coating thickness and structure, enabling the coating to exhibit a metallic appearance while retaining its non-conductive nature—thus satisfying consumers’ preference for a metallic aesthetic without compromising wireless communication performance.
Conductive functionality is suitable for applications requiring electromagnetic shielding. Some electronic devices must be protected from electromagnetic interference, and conductive coatings can provide effective shielding. Such coatings must establish a conductive path on an insulating plastic substrate, enabling static electricity or electromagnetic interference to be dissipated.
IV. Special Functional Roles
With the advancement of technology, UV 3C coatings have also been endowed with a variety of specialized functions.
Antimicrobial properties are receiving increasing attention in the context of rising public health awareness. By incorporating antimicrobial agents, antimicrobial coatings can inhibit the growth and survival of surface‑borne bacteria, thereby reducing the risk of cross‑contamination. This functionality holds practical value for medical devices, public facilities, and personal wearable devices.
Self-healing refers to the ability of a coating to spontaneously recover after being subjected to minor scratches. By incorporating dynamic covalent bonds or designing specific microstructures into the coating, it can facilitate the healing of microcracks under certain stimuli, thereby maintaining the product’s aesthetic appearance for an extended period.
Thermal conductivity is well suited for electronic devices with stringent thermal management requirements. By incorporating thermally conductive fillers into the coating, the layer acquires a certain degree of thermal conductivity, helping the device dissipate internal heat.
V. Conclusion
The functions of UV 3C coatings have expanded beyond their early roles in basic protection and decoration to encompass touch‑experience optimization, optical‑property tuning, conductive shielding, and even antibacterial self‑healing. Anti‑fingerprint and tactile‑enhancing features enhance user comfort during device interaction; anti‑glare and light‑transmitting coatings improve screen visibility across diverse lighting conditions; non‑conductive properties ensure uninterrupted wireless communication; while antibacterial, self‑healing, and thermally conductive functionalities address the market’s ongoing demand for added product value. Collectively, these multifaceted capabilities make UV 3C coatings a critical technological enabler for realizing advanced functionality and elevating user experience in modern consumer electronics.
Disclaimer: The above content has been compiled from publicly available sources and is provided for reference only. If any infringement occurs, please contact us, and we will address it promptly.
Bossin Related Product Recommendations – 3C Coatings | ||
General-purpose | ||
Product Model/English Abbreviation | Product Name/Product Type | Product Features |
B-102 | Bisphenol A epoxy acrylate | High hardness, high gloss, chemical resistance, contains 15% TMPTA. |
B-151 | Modified epoxy acrylate | Low halogen, yellowing-resistant, excellent plating performance, and strong adhesion. |
B-165 | Modified epoxy acrylate | Good flexibility and strong adhesion |
B-216 | Aliphatic polyurethane acrylate | Fast curing, high fullness, and excellent toughness. |
B-368 | Aliphatic polyurethane acrylate | Good toughness, excellent leveling, excellent bend resistance, and excellent heat resistance. |
B-574C | Polyester acrylate | Low viscosity, low odor, excellent wettability, suitable for LED UV. |
B-601 | Aromatic polyurethane acrylate | High hardness, scratch resistance, chemical resistance, and excellent cost-effectiveness. |
B-6019 | Special functional group acrylate | Good leveling, excellent wetting, resistant to boiling water, and superior color dispersion. |
B-609 | Aliphatic polyurethane acrylate | Fast curing, high hardness, scratch resistance, and chemical resistance. |
B-615A | Aliphatic polyurethane acrylate | Fast curing, excellent toughness, wear resistance, and chemical resistance. |
B-619W | Aliphatic polyurethane acrylate | Fast curing, high hardness, excellent toughness, wear resistance, and chemical resistance. |
B-6380N | Special functional group acrylate | Excellent adhesion to plastics, strong hiding power, and improved paint film appearance. |
B-919B | Aliphatic polyurethane acrylate | Fast curing, high hardness, excellent toughness, and outstanding chemical and wear resistance. |
Matte | ||
Product Model/English Abbreviation | Product Name/Product Type | Product Features |
B-572 | Polyester acrylate | Low viscosity, low odor, excellent wettability, suitable for LED UV. |
B-650A | Aliphatic polyurethane acrylate | Low viscosity, excellent matting effect, fast curing, and good wettability. |
Wearable device | ||
Product Model/English Abbreviation | Product Name/Product Type | Product Features |
B-6211 | Aliphatic polyurethane acrylate | Fast curing, high hardness, scratch-resistant, and free of organotin. |
Hand feel | ||
Product Model/English Abbreviation | Product Name/Product Type | Product Features |
B-328M | Aliphatic polyurethane acrylate | Low gloss, low viscosity, excellent wettability, and a pleasant hand feel. |
B-868 | Organosilicon photocurable resin | Good leveling, smooth finish, fast curing, and stain resistance. |
B-868H | Organosilicon photocurable resin | Good leveling, smooth finish, fast curing, and stain resistance. |
Large-area spraying | ||
Product Model/English Abbreviation | Product Name/Product Type | Product Features |
B-374 | Aliphatic polyurethane acrylate | Good flexibility, excellent leveling, resistant to abrasion and chemicals, and yellowing‑resistant. |
Car interior | ||
Product Model/English Abbreviation | Product Name/Product Type | Product Features |
B-6063 | Special functional group acrylate | High molecular weight, low curing shrinkage |
B-6210 | Aliphatic polyurethane acrylate | Low viscosity, chemical resistance, environmental resistance, and dual photocatalytic–thermal curing. |
B-6263 | Special functional group acrylate | Fast curing, high build, boil-resistant, and excellent toughness. |
B-916 | Aliphatic polyurethane acrylate | Low viscosity, solvent resistance, chemical resistance, and steel-wool resistance. |
B-919B | Aliphatic polyurethane acrylate | Fast curing, high hardness, excellent toughness, and outstanding chemical and wear resistance. |
Resistant to steel wool | ||
Product Model/English Abbreviation | Product Name/Product Type | Product Features |
B-910A2 | Aliphatic polyurethane acrylate | Low viscosity, yellowing resistance, chemical resistance, and steel-wool resistance. |
B-916 | Aliphatic polyurethane acrylate | Low viscosity, solvent resistance, chemical resistance, and steel-wool resistance. |
B-919B | Aliphatic polyurethane acrylate | Fast curing, high hardness, excellent toughness, and outstanding chemical and wear resistance. |
Oil-resistant pen | ||
Product Model/English Abbreviation | Product Name/Product Type | Product Features |
B-868 | Organosilicon photocurable resin | Good leveling, smooth finish, fast curing, and stain resistance. |
B-868H | Organosilicon photocurable resin | Good leveling, smooth finish, fast curing, and stain resistance. |
Battery casing | ||
Product Model/English Abbreviation | Product Name/Product Type | Product Features |
B-431 | Cycloaliphatic Specialty Acrylate | Yellowing-resistant, excellent wettability, low viscosity, fast curing |
B-548 | Polyester acrylate | Withstands high temperatures of 250–280°C. |
Solid color paint | ||
Product Model/English Abbreviation | Product Name/Product Type | Product Features |
B-519 | Self-curing polyester acrylate | Self-initiated photopolymerization performance |
B-560 | Polyester acrylate | Fast curing and excellent pigment wetting. |
Yellowing resistance | ||
Product Model/English Abbreviation | Product Name/Product Type | Product Features |
B-151 | Modified epoxy acrylate | Low halogen, yellowing-resistant, excellent plating performance, and strong adhesion. |
B-160D | Modified epoxy acrylate | Good flexibility, yellowing resistance, and excellent adhesion. |
B-216 | Aliphatic polyurethane acrylate | Fast curing, high fullness, and excellent toughness. |
B-296 | Aliphatic polyurethane acrylate | Fast curing, chemical resistance, yellowing resistance, impact resistance |
B-431 | Cycloaliphatic Specialty Acrylate | Yellowing-resistant, excellent wettability, low viscosity, fast curing |
Monomer Recommendation | ||
Product Model/English Abbreviation | Product Name/Product Type | Product Features |
BM3231 (TMPTA) | Trimethylolpropane triacrylate | High crosslink density, high hardness, high gloss, and excellent wear resistance. |
BM3235 (PET3A) | Pentaerythritol triacrylate | Fast curing, high crosslink density, high hardness, and chemical resistance. |
BM3380 (3EO-TMPTA) | Pentaerythritol triacrylate | More flexible and less irritating than TMPTA. |
BM4241 (DiTMPTA-80) | Bis(2,3-dihydroxypropyl) tetraacrylate | High crosslink density, high hardness, chemical and wear resistance, and water resistance. |
BM4242 (Di-TMPTA) | Bis-trimethylolpropane tetraacrylate | High crosslink density, high hardness, chemical and wear resistance, and water resistance. |
BM6261 (DPHA-80) | Dipentaerythritol hexaacrylate | High crosslink density, high hardness, chemical and wear resistance, and water resistance. |
BM6263 (DPHA-90) | Dipentaerythritol hexaacrylate | High crosslink density, high hardness, chemical and wear resistance, and water resistance. |
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