PRODUCT
PRODUCT
ANTHRACURETMseries
ANTHRACURE™ UVS series
- UVS-1331
- UVS-1101 CLOSE
Sensitize photo-initiator in the range from 350 to 405nm
Both UVS-1331 and UVS-1101 show almost the same sensitivity because of those similar chemical structure and its absorption range
Provides improved curing speed, depth of cure or both
Compatible with various light sources such as LEDs
Sharp on/off cut-off performance in radical system
| Product name | ANTHRACURE™ UVS-1331 | ANTHRACURE™ UVS-1101 |
| Structural formula |
 |
 |
| Molecular formula |
C22H26O2 | C18H18O2 |
| Swiss Ordinance SR 817.023.21 |
Part B | Part B |
| Delivery Unit | 1 kg 25 kg |
1 kg 10kg 20kg |
- UV-Vis Spectrum Chart
Concentration : 10 ppm in CH3CN
Optical path length : 10mm
- Improving curing rate
UVS-1331 sensitizes and activate photo-initiators that do NOT show a sufficient performance under long
wave UV-LED such as 365nm, 385nm, 395nm and 405nm.
In addition, UVS-1331 accelerates curing rate
compared with onium salts alone. UVS-1101 shows a similar result as well.
<< Formulation>>
- Monomer:
- Celloxide 202P *1 100 parts
- Photo-initiator:
- Omnicat 250 *2 4 PHR (as Iodonium salts) or CPI-100P *3 6 PHR (as sulfonium salts)
- Photo-sensitizer:
- none or ANTHRACURE UVS-1331 1.0 PHR
Curing condition
Light source :
395nm UV-LED
Intensity : 50 mW/cm2
*1 : Daicel Corporation *2 : IGM Resins B.V *3 : San-Apro Ltd.
- Optimizing dose of UVS-1331 cures depth
To harden thick layer, optimizing the dose of UVS-1331 would be required.
Adding excessive dose could lead to hardening failure in the depths of layer
UVS-1101 shows a similar result as well.
<< Formulation>>
- Monomer:
- Celloxide 2021P *1 100 parts
- Photo-initiator:
- Omnicat 250 *2 2.5 PHR
- Photo-sensitizer:
- ANTHRACURE UVS-1331 0.0 – 1.0 PHR
Curing condition
Light source : 405nm UV-LED
Intensity : 50 mW/cm2
Duration : 120 sec
Atmosphere : Air at r.t.
*1 : Daicel Corporation *2 : IGM Resins B.V
- Sensitize a polymeric Type II initiators for food packaging inks
UVS-1331 and 1101 is listed as Part B in Swiss Ordinance (RS 817.023.21 Annex 10).those are capable of reducing the dose of initiator and/or amine synergists.
UVS-1101 shows a similar result as well.
<< Formulation>>
- Monomer:
- TMPTA 100 parts
- Photo-initiator:
- Omnipol BP * 3.0, 5.0 or 7.0 PHR
- Photo-sensitizer:
- none or ANTHRACURE UVS-1331 1.0 PHR
Curing condition
Light source : High Pressure mercury lamp
Intensity : 135 mW/cm2
Duration : 10.0 sec
Atmosphere : Air
Average thickness : 30 μm(Spin Coating)
* IGM Resins B.V.
- UVS-581 CLOSE
Sensitize photo-initiator in the range from 350 to 405nm
Less yellowing because of a sharp cut-off peak at 395nm
Wide range of options for sensitizable photo-initiator
Compatible with LED wavelengths
Conjunctive use of UVS-1331 or UVS-1101 to match various wavelengths of light sources
| Product name | ANTHRACURE™ UVS-581 |
| Swiss Ordinance SR 817.023.21 |
ー |
| Delivery Unit | 1 kg 10 kg |
- UV-Vis Spectrum Chart
Concentration : 10 ppm in CH3CN
Optical path length : 10mm
- Improving curing rate under different LEDs
UVS-581 speed cure under different wavelength of LEDs
<< Formulation>>
- Monomer:
- Viscoat #400 *1 100 parts
- Photo-initiator:
- Omnirad 1173 *2 5 PHR
- Photo-sensitizer:
- none or ANTHRACURE UVS-581 1.0 PHR
Curing condition
Light source :
365nm UV-LED (43mW/cm2)
385nm UV-LED (43mW/cm2)
395nm UV-LED (50mW/cm2)
Layer thickness : 30 μm
Atmosphere : Air
UV curable layer covering with 50 micron of PET film and exposed to UV-LED passing through PET
*1 : Osaka Organic Chemical Industry Ltd. *2 : IGM Resins B.V.
- UVS-581 to reduce yellowing
Incorporating UVS-581 into UVS-1331 contributes to reduce yellowing and enables to remain curing speed when balancing the dose ratio
<< Formulation>>
- Monomer:
- Celloxide 2021P *1 100 parts
- Photo-initiator:
- CPI-100P *2 2.0 PHR
- Photo-sensitizer:
- ANTHRACURE UVS-581 and/or UVS-1331 (referring to the explanatory note in the following graph)
Curing condition
Light source : 395nm UV-LED (50mW/cm2)
Layer thickness : 0.4 mm
*1 : Daicel Corporation *2 : San-Apro Ltd.
- UVS-2171 CLOSE
Sensitize Photo acid generators (PAGs) and radical photo-initiators under 365 – 405nm even though it’s less absorbance in its range
Solution for non-colored items
Compatible with UV LED wavelengths
Conjunctive use of UVS-1331 or UVS-1101 to give a boost to cure and to reduce yellowing
| Product name | ANTHRACURE™ UVS-2171 |
| Swiss Ordinance SR 817.023.21 |
ー |
| Delivery Unit | 1 kg 10 kg |
- UV-Vis Spectrum Chart
Concentration : 10 ppm in CH3CN
Optical path length : 10mm
- Thick layer with high transmittance
UVS-2171 sensitizes Omnirad 184 and 651 under 365nm while remaining transparency (referring to the following YI data)
Viscosity by Photo-Rheometer and sensory evaluation
<< Formulation>>
- Monomer:
- TMPTA 100 parts
- Photo-initiator:
- Omnirad TPO, 184, 651 *1 each 5 PHR
- Photo-sensitizer:
- none or ANTHRACURE UVS-2171 0.1 PHR
Curing condition
Light source :
i line (365nm) (200mW/cm2)
Duration : 30 sec
Layer thickness : 1 mm
Temp. : 25℃
Strain : 0.1%
Frequency : 1 Hz
*1 : IGM Resins B.V.
Comparison of Yellowness Index (YI)
With UVS-2171, there is no influence on visible appearance
<< Formulation>>
- Monomer:
- TMPTA 100 parts
- Photo-initiator:
- Omnirad 184 *1 5 PHR
- Photo-sensitizer:
- none or ANTHRACURE UVS-2171 1.0 PHR
Curing condition
Light source :
365nm UV-LED (1 W/cm2)
Layer thickness : 25 micron
*1 : IGM Resins B.V.
- Improve the degree of polymerization in the Air and N2
Improving conversion under different ambience
Adding UVS-2171 contributes to higher degree of polymerization under different ambient conditions
<< Formulation>>
- Monomer:
- Celloxide 2021P *1 100 parts
- Photo-initiator:
- CPI-100P *2 3.0 PHR
- Photo-sensitizer:
- none or ANTHRACURE UVS-2171 2.0 PHR
Curing condition
Real Time FT-IR
Light source :
365nm UV-LED
280mJ/cm2 (85 mW/cm2 × 3.3sec)
Atmosphere : Air and Nitrogen (N2)
*1 : Daicel Corporation *2 : San-Apro Ltd.
Comparison of tack-free time under ambient air and N2
When added UVS-2171, the curing rate under N2 improved as fast as it under ambient air
<< Formulation>>
- Monomer:
- UVR6105 *1 100 parts
- Photo-initiator:
- UVI-6992 *1 3.0 PHR
- Photo-sensitizer:
- none or ANTHRACURE UVS-2171 0.8 PHR or 2.0 PHR
Curing condition
Real Time FT-IR
Light source :
365nm UV-LED (< several tens mW/cm2)
Atmosphere : Air and Nitrogen (N2)
Thickness : 12 μm
*1 : Dow Chemical Company
- Sensitize PAG and reduce yellowness
Sensitize PAG and remain transmittance
When added UVS-2171 in cationic system, the cured layer remains transparent appearance
<< Formulation>>
- Monomer:
- Celloxide 2021P *1 100 parts
- Photo-initiator:
- CPI-100P *2 3.0 PHR (active ingredient)
- Photo-sensitizer:
- none or ANTHRACURE UVS-2171 0.8, 1.5, 3.0 PHR
Curing condition
Light source :
365nm UV-LED (0.53 W/cm2)
Conveyer speed: about 1 m/min
Layer thickness : about 30 micron (spin-coated)
Atmosphere : Air
*1 : Daicel Corporation *2 : San-Apro Ltd.
■ Utilize UVS-2171 to reduce the yellowness of UVS-1331
| Appearance |
Test conditions; + Cycloaliphatic Epoxy Resin CYRACURE UVR-6105 *1 100 parts + Initiator : Omnicat 250 *2 2 PHR + Thickness : 500 μm + Light source : UV-LED 395nm + light intensity : 1.5W/cm2 |
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|---|---|---|---|
| Before irradiation | 4 min. after irradiation | ||
| 0.5 PHR of UVS-1331 |
|
|
The UV curable layer color started to change in only 5 sec. After irradiation, it turns yellow gradually. （the color of mixture shows slightly yellowish before irradiation.) |
|
0.1 PHR of UVS-1331 ＋ 2.0 PHR of UVS-2171 |
|
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When using both UVS-1331 and 2171 the layer remains transparency in 5 sec. |
*1 : The Dow Chemical Company *2 : IGM Resins B.V.