Knowledge base

Air Liquide has developed a novel inerted UV technology for the curing of coatings using UV irradiations under oxygen-free atmosphere. This technology consists in adapting a Gas Seal Kit to a standard UV-dryer allowing to cure under any desired stable residual oxygen concentration down to 30 ppm using a very moderate flow of nitrogen even at web sp

The usage of radiation curable coatings is well established in the field of flat substrates. UV coatings show both ecological and economical benefits. Five different industrial coating technologies have been compared regarding the coating of doors by using the Ecoefficency Analysis. The results showed that UV curing is the most ecoefficient . The m

Scratch resistance is one of the key properties for industrial wood coatings, both for furniture and parquet flooring. Different techniques can be used to evaluate the performances of a coating and results can be strongly affected only by changing the measuring tool used. This paper will explain the different methods available to assess the scratch

 Akzo Nobel Car Refinishes has developed a novel UV-A curing, high solids clear coating, which can be used for refinishing spots, panels and even total resprays. This photo activated coating is based on an innovative, patented, two component curing technology and comprises various specially developed constituents at a VOC-level of 350 g/l at a

The health, safety and environmental strategy for use of industrial surface coatings is described from the viewpoint of a large furniture retailer (Ikea). Requirements on chemical content of coatings as well as physical qualities on the coating film are discussed together with the endeavour to replace solventborne coatings with more environmentally

Transparent and black pigmented UV crosslinking model formulations were investigated on steel and aluminium using various raw materials and curing conditions. Comparative tests were made, e.g., with respect to viscosity, conversion of acrylic double bonds, mechanical parameters, and resistance in the salt spray test. One of the results was that ben

Many papers have been written describing metal containing oligomers. (12,3) Little has been reported on metal containing acrylic oligomers. (4, For years, Sartomer Company has produced zinc diacrylate (ZDA) for use in peroxide cured rubber. Polymers crosslinked with ZDA possess ionic crosslinks, which result in different and often enhanced properti

The importance of curing inks and varnish with UV as basis for an almost emission free and economic printing has rapidly increased over the past years. Compared to the ink penetration or heat drying at conventional processes the following advantages are reached:- solvent free- non-absorbent substrates can be printed- quick curing, immediately stack