Modern UV filters in Prim Jet Color laminates
Certificate of resistance to UV radiation of Prim Jet Color laminates
Prim Jet Color developed and produced liquid laminates Top Coat, which resistance to the UV radiation exceed even 6 years!
This is an unprecedented event and a breakthrough in the production of liquid laminates. This was achieved by searching the optimum formulation for long time protective coatings and after running modern tests. This success was made possible through the cooperation of Prim Jet Color with Antaria - a world leader in the production of plastics and UV filters.
The key to success was the use in Prim Jet Color laminates nanoparticles of zinc oxide as a UV filter. Technology of zinc oxide nanoparticles (the original name NanoZTM) developed and patented by Antaria is the best of the currently known and the most modern methods of protection against UV radiation.
The effectiveness of the protective properties Prim Jet Color laminates has been confirmed by thorough research commissioned by Prim Jet Color in specialized laboratories.
"Long we looked for a suitable recipe of laminate, which would provide on the one hand, extremely long protection against UV radiation, and on the other hand also would increase the aesthetic value of protected printouts. Thanks to cooperation with Antaria we were able to create a product of the XXI century: ecological and efficient at the same time. We're really proud that as a few companies, after carried out UV tests we have full knowledge of how the printout will look our after 1, 3, 6 years" says managing director Prim Jet Color, Jolanta Airaut.
Laminates from Prim Jet Color bring a new quality to a market of large format advertising. With these products, manufacturers of automotive graphics, window graphics, floor advertising, canvas, flags, and other applications have the opportunity to significantly improve the quality of their products.
This is an unprecedented event and a breakthrough in the production of liquid laminates. This was achieved by searching the optimum formulation for long time protective coatings and after running modern tests. This success was made possible through the cooperation of Prim Jet Color with Antaria - a world leader in the production of plastics and UV filters.
The key to success was the use in Prim Jet Color laminates nanoparticles of zinc oxide as a UV filter. Technology of zinc oxide nanoparticles (the original name NanoZTM) developed and patented by Antaria is the best of the currently known and the most modern methods of protection against UV radiation.
The effectiveness of the protective properties Prim Jet Color laminates has been confirmed by thorough research commissioned by Prim Jet Color in specialized laboratories.
"Long we looked for a suitable recipe of laminate, which would provide on the one hand, extremely long protection against UV radiation, and on the other hand also would increase the aesthetic value of protected printouts. Thanks to cooperation with Antaria we were able to create a product of the XXI century: ecological and efficient at the same time. We're really proud that as a few companies, after carried out UV tests we have full knowledge of how the printout will look our after 1, 3, 6 years" says managing director Prim Jet Color, Jolanta Airaut.
Laminates from Prim Jet Color bring a new quality to a market of large format advertising. With these products, manufacturers of automotive graphics, window graphics, floor advertising, canvas, flags, and other applications have the opportunity to significantly improve the quality of their products.
Nano-technology in lacquer Top Coat: Laboratory Tests
All included in this paragraph results of scientific investigation and measurements concerning ZnO as a UV-blocker was obtained by the firm Advanced Nanotechnology Limited, Australia.
The lacquer Top Coat contains zinc oxide ZnO as an optically active substance to reduce the unwanted influence of ultraviolet radiation on the printout made using dye or pigmented water-based, solvent inkjet ink, sublimation transfer, serigraphy, etc.. On the printout not coated by lacquer Top Coat one can observe fading of colors and yellowing of white parts of printout over time.
Zinc oxide
Photons, the quanta of light, are either specularly or diffusely reflected, absorbed or pass through the coating. Diffuse scattering causes whitening. The intensity of diffuse scattered light is proportional to third power of UV-blocker particle’s diameter.
According to the above remarks in the preparation of lacquer Top Coat our firm used a new generation ZnO nano-powder, to achieve the best protection against UV radiation without causing observable whitening.
On the drawing below is presented the size distribution of the UV-blocker nanoparticles used in lacquer Top Coat . It is evident that diffuse scattering of light can be neglected.
The lacquer Top Coat contains zinc oxide ZnO as an optically active substance to reduce the unwanted influence of ultraviolet radiation on the printout made using dye or pigmented water-based, solvent inkjet ink, sublimation transfer, serigraphy, etc.. On the printout not coated by lacquer Top Coat one can observe fading of colors and yellowing of white parts of printout over time.
Zinc oxide
- This product has true broad spectrum absorption and absorbs both UV B and UV A light. It is photostable and UV absorption does not decrease over time.
- It is a low irritant/allergenic substance and has a long history of use in coatings.
- It is a natural antifungal and has a good public perception since it has long been used in cosmetics.
Photons, the quanta of light, are either specularly or diffusely reflected, absorbed or pass through the coating. Diffuse scattering causes whitening. The intensity of diffuse scattered light is proportional to third power of UV-blocker particle’s diameter.
According to the above remarks in the preparation of lacquer Top Coat our firm used a new generation ZnO nano-powder, to achieve the best protection against UV radiation without causing observable whitening.
On the drawing below is presented the size distribution of the UV-blocker nanoparticles used in lacquer Top Coat . It is evident that diffuse scattering of light can be neglected.
Picture of nano-powder ZnO used as UV-blocker in lacquer Top Coat.
Size distribution of nanoparticles in ZnO powder. Such distribution assures perfect properties of lacquer Top Coat.
On the drawing below are presented transmittance curves of UV radiation through medium coated by lacquer with different UV-blockers (on the basis of zinc oxide ZnO) as a function of light wavelength. An ideal UV-blocker ought to block UV radiation in the range 200—400 nm, but visible light, 400 - 800 nm, should to be transmitted without loss of intensity. As is shown below, on the basis of transmittance measurements, the nano-powder used in lacquer Top Coat is a perfect component to protect printout without whitening effect.
On the drawing are presented transmittance curves of various UV-blockers (ZnO) versus light wavelength. In comparison with other products nano-powder used in lacquer Top Coat perfectly absorb harmful UV radiation in the range from 200 – to 370 nm, however visible light (400 – 800 nm) is transmitted without important loss of intensity. Thanks to this feature printout coated by lacquer Top Coat is not whitening.
In the above is presented schematic explanation of the mechanism of whitening of printouts, when in lacquer is applied inadequate UV-blocker based on the zinc oxide ZnO. Diffusion scattering of visible light of the large ZnO particles causes whitening of printout, and also UV radiation is not sufficiently blocked. In contrast to this the printout coated by lacquer Top Coat shows the printout is not whitened, because the nanoparticles of ZnO do not cause significant diffuse scattering of light moreover UV radiation is perfectly blocked.
The quality of blocking the UV radiation by nano-ZnO molecules proves the plot of transparency as a function of wavelengths. Nano-blocker applied in lacquer Top Coat is characterized by the real broad band of the absorption both of radiance UV B and UV A.
Lacquer Top Coat, as an universal lacquer can not only be used to protect inkjet ink printouts, but also to protect any kind of printout on special media like for example tiles in bathroom, glass, metal, stone, wood and other objects under direct UV radiation.
A good example can be photographs below showing the influence of UV radiation on wood.
Lacquer Top Coat, as an universal lacquer can not only be used to protect inkjet ink printouts, but also to protect any kind of printout on special media like for example tiles in bathroom, glass, metal, stone, wood and other objects under direct UV radiation.
A good example can be photographs below showing the influence of UV radiation on wood.
The influence of UV radiation on wood coated by water-soluble lacquer without and with UV-blocker (on the basis of zinc oxide powder). After 1500 hours of QUV exposure (UVA) it is easy to see a big difference between protected by zinc oxide surface and not protected one.
It is difficult if not impossible to accurately predict how long coatings will last based on accelerated exposure data as it depends “where” you are in the world and how the panel is exposed (i.e. North, South facing & horizontal, vertical or 45 degree pitch etc.). What can be stated with certainty is that products showing better durability on QUV testing will perform better on exterior exposure.
It is difficult if not impossible to accurately predict how long coatings will last based on accelerated exposure data as it depends “where” you are in the world and how the panel is exposed (i.e. North, South facing & horizontal, vertical or 45 degree pitch etc.). What can be stated with certainty is that products showing better durability on QUV testing will perform better on exterior exposure.
Results of lacquer Top Coat Light-fastness tests
PIgmented ink
The QUV exposure tests of water-based pigmented ink printouts made on photographic paper were performed in Advance Nanotechnology Limited Laboratory. The printouts were coated using various kind of lacquer Top Coat. The results of changes in printouts color after 2000 hours of QUV340 lamp exposure are as follows:
Scientific publications in renowned scientific journals concerning photo-physical properties of organic dyes and polymers
In the table above are shown pictures of uncoated pigmented ink printout and printouts coated using various kind of lacquer Top Coat, respectively. Uncoated panel after 200 hours of QUV exposure is completely faded. The printout protected by Ultra Extended lacquer Top Coat is stable, the attributes of printouts color are nearly the same as those of uncoated panel before tests.
Dye ink
The QUV exposure tests of water-based dye ink printouts made on photographic paper were performed in Advance Nanotechnology Limited Laboratory. The printouts were coated using various kind of lacquer Top Coat. The results of changes in printouts color after 200 hours of QUV340 lamp exposure are as follows:
In the table above are shown pictures of uncoated dye ink printout and printouts coated using various kind of lacquer Top Coat, respectively. Uncoated panel after 200 hours of QUV exposure is completely faded. The printout protected by Ultra Extended lacquer Top Coat is stable, the attributes of printouts color are nearly the same as those of uncoated panel before tests.
Scientific publications in renowned scientific journals concerning photo-physical properties of organic dyes and polymers
PL-80-299 Gdansk, ul. Wendy 15 D
tel. +48 694 485 805, +48 (58) 719 14 58
NIP PL 583-000-27-17, District Court in Gdansk, 7th Commercial Department
KRS 0000116923, Share capital 70 000 PLN
tel. +48 694 485 805, +48 (58) 719 14 58
NIP PL 583-000-27-17, District Court in Gdansk, 7th Commercial Department
KRS 0000116923, Share capital 70 000 PLN
