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UV curing as a method for polymerising liquids, resins and solids at the push of a button is used
predominantly for producing decorative, protective or information-carrying surfaces, i.e. for coatings and prints. If this method is also capable of giving high-quality products economically and in an compatible manner, the corresponding products are even more useful and desirable
for everyone. UV curing technology, particularly that based on the market-dominating acrylic ester resins which are curable by free radicals and will be mainly discussed here, has many prerequisites for fulfilling these criteria. It is for this reason that it is one of the fastest growing industrial coating technologies. Nevertheless, the share of UV curable systems in the total market for industrial coatings is still small with less than, for example, 5% in Europe (2000)1. It is limited by high costs for raw materials and equipment, the poor curability of shadow regions, for example in three-dimensional substrates or in pigmented coats, adhesion problems, low resistance in
outdoor applications, and health and safety risks of some raw materials and processes.
Improvements with wider or narrower fields of application have been developed and are at least in the
early stages, so that new applications such as UV coating of vehicles or the use of universal
pigmented UV curable coatings etc. will also be opened up; The volume of UV cured products for
everyone will increase.
However, UV curing for everyone is also intended to mean that this technology is easy to carry out. To
date, the irradiation technique has been relatively expensive.
A simple UV curing 2 will be presented here.