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Behind the patented technology hides a matrix made from a special class of elastomers and resins. The special effect: In the 'original state', the strips stick along their entire length thanks to their soft and elastic components. Under tensile load, however, an 'incompatibility' is created between the elastomers and resins. The property of the strip changes – it hardens and loses its adhesive strength. If you pull on a strip of tesa Bond & Detach, the components that were once firmly bonded separate from one another. This way, batteries can be repositioned and replaced quickly, easily and without leaving any residue. Separating the different components or materials makes recycling easier. For years, batteries in smartphones could neither be replaced nor recycled. They were firmly glued to the device. Quite an annoyance for phone owners who had to buy a new device just because the battery ran out – and a burden on the environment.
Thanks to the tesa adhesive technology, plenty of electronic waste can be avoided, which was an important step in terms of sustainable management.
Already about ten years ago, tesa engaged a large team of 500 product and technology developers to 'revolutionize' the battery change in smartphones. The breakthrough came in 2014 – and an ingenious adhesive tape emerged from a fixed idea: tesa Bond & Detach. Currently, 75 colleagues from the field of product and technology development work for the BU Electronics, which supplies the smartphone and computer industry with a variety of adhesive components. Most of the researchers work in Suzhou, China, where one of the Group's three development centers is located. More than 1,000 tests with new 'cell phone connections' are carried out here every year.
tesa recently passed the 1.5 billion cell phone mark that had been equipped with Bond & Detach since 2014. The adhesive tape, which since its development has been constantly adapted to the new requirements of the fast-moving smartphone industry, now occupies a dominant market position. With tesa Bond & Detach, tesa currently holds a market share of 21%. If you include the use of other adhesive tapes from the tesa assortment for mounting batteries, the company has a market share of more than 60%.
The success story written by tesa Bond & Detach has now been given the largest audience award in the German economy – the product is now 'Innovator of the Year'.
"We’re very happy about this award. For the large team that has worked on the adhesive tape over the past ten years and has optimized it over and again, this is a well-deserved reward."
Corporate Vice President tesa Business Unit Electronics
The award 'Innovator of the Year' was launched by a multimedia debate & information network for top executives from the 100,000 largest German companies. DDW reaches a broad public with its TV formats. Furthermore, the association participates in high-level events such as the World Economic Forum in Davos.