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Germany : Printable Heating Systems and Transparent Inks.

Within the electronics field, more and more applications are coming to the fore that require a uniform, self-regulating heating system from heated mirrors and underfloor heating systems to batteries. Conventional wire-based solutions are not only cumbersome but also particularly time-consuming and costly to manufacture. Now, with its Loctite ECI 8000 E&C series, Henkel is able to provide an innovative and efficient alternative. Offering a versatile range of conductive carbon paints applied using the screen printing technique, this Henkel development for heating systems brings huge benefits with respect to design flexibility and fast and uniform heating performance, plus an ability to self-regulate system temperature. As world market leader in the provision of tailored solutions based on adhesives, sealants and functional coatings, Henkel will be presenting this and other product innovations at LOPEC (Large-area, Organic & Printed Electronics Convention), the leading international trade fair for printed electronics, in Munich on May 27 and 28, 2014.

Cables and wires have the disadvantage that their incorporation in heating systems requires substantial manufacturing effort. Moreover, the heat they supply is not especially uniform, with hot spots and cold spots a common feature. We know that fast and uniform heating is important, particularly for applications such as medical equipment and motor vehicle batteries, but also for things like underfloor and mirror heating systems, says Lothar Reimann, Regional Sales Manager for the Electronics business at Henkel, alluding to the key customer requirements. Thermally conductive printing inks are an ideal alternative here to traditional wire-based systems. With Loctite ECI 8000 E&C, we offer a series of conductive carbon paints that can be applied using the screen printing technique to a variety of materials, and which are characterized in particular by their flexibility enabling efficient deposition and allowing greater creative scope on the design side, Reimann adds. The inks are applied in thin layers, making them both very light and space-efficient.

The material is formulated to ensure that it heats up very quickly to a certain temperature and is then held constant at that temperature. Thanks to PTC functionality (Positive Temperature Coefficient), the printing inks regulate the temperature themselves up to a certain threshold. This autocontrol function significantly reduces the danger of overheating, thus increasing the intrinsic safety of the system. And the material also offers clear advantages in the sustainability stakes: As ecologically stable compounds, the printing inks give long service life; and because no external temperature control is necessary, they also consume less energy. In addition, printing as an additive technology produces considerably less waste than, say, etching.

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Publication:Mena Report
Date:May 20, 2014
Words:434
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