Knowledge base

Since the last RADTECH in Lyon we can see on this congress a lot of new developments by inks andcoatings, dryer units, constructions, lamps and bulbs in UV-EB-cunng a.s.o. This is also valid in the screen printing industry. At first we will set up some points which would be discussed in this paper.1. New Screen Printing Inks and Coatings, 2. New Bu

During the last decade, great progress has been achieved in the chemistry of radiation-curablesystems. Their use as a means of protecting surfaces by a fast drying process has been widelyaccepted in many industrial fields such as graphic arts, coatings, microelectronics, and composites. The control of surface properties such as surface tension, sli

  My background is one of banknote design and banknote printing which will cause many of you I'msure to question why I'm here to present a paper at Radlech. I hope the answer to this question willbecome clear as I continue. 

In several recent reports, the efficient photoinitiated polymerization by excitedstate maleimides have been shown in numerous acceptor / donor pair combinations 1-10] The strong hydrogen abstractability of the excited triplet state Ml has also been evaluated in initiation of acrylate polymerization and the importance of available abstractable hydro

On the example of Thioxanthone (TX) it is shown that time resolved thermal lens (TRTL), spectroscopy and picosecond transient absorption spectroscopy (PTAS) provide valuable informations on the primary processes involved in the photoinitiation step. On one hand, TRTL isused to determine the triplet quantum yield 'T in different solvents. It is foun

As photocuring of monomer mixtures to produce highly crosslinked films with desirable physicalproperties for a wide variety of uses continues to grow and expand, there is a continual need todevelop fast photoinitiator packages. Certainly, new low cost I high efficiency photoinitiatorswould find widespread uses in both traditional and new photocunng

The photopolymenzation of acrylate resins on wood surfaces suffers from retardation and inhibitioneffects due to phenolic derivatives present at the interface. In this paper, the global effect of eugenolon the polymerization process is recorded by differential scanning calorimetry and photocalorimetry(DSC/DSP). A comparison between a direct photocl

The photoinduced polymerization of electron donor/electron acceptor monomer systems has been extensively studied in the past few years, in particular the combination of vinyl ethers WE) and Nsubstituted maleimides (Ml) 17 These non-acrylate UV-curable resins have the distinct advantage of undergoing a rapid polymerization when exposed to UV-radiati