Dr. Karl-Heinz Heise

Think durability and elasticity can’t go hand in hand? Think again. Fluoroelastomers form an entire family of rubbers that meets both demands at once: chemical and thermal resistance alongside elastic …

Polyvinylidene fluoride, or PVDF for short, is a fluorinated polyolefin that became known under the trade name KYNAR®. Since chemists at the US company Pennsalt Corporation first synthesised it in …

Whether it clarifies liquids, purifies air or detoxifies the body in medicine, activated carbon serves a remarkably broad range of applications. Cabin air filters in motor vehicles alone consume more …

Knowledge of a material’s hardness is indispensable for its proper application. In response to this need, hardness testing methods were developed, particularly over the course of the last century. However, …

Nature shows us how it is done. Saponins, lecithins and phospholipids are plant compounds found in legumes, chestnuts, nuts and many other species. Despite their chemical differences, these substances share …

Persistent Organic Pollutants (POPs) are organic compounds that are harmful to humans and animals and degrade only very slowly in the environment. They contaminate air, soil and water and can …

The material silicone rubber offers a wide range of excellent technical properties and is therefore used in many different applications. But what can this elastomer do—the one found in clothing, …

Corrosion is a global problem. Steel structures in particular are affected, such as bridges and load-bearing structures, but also industrial plants, railway tracks, pipelines, vehicles, and machinery. In 2009, the …

Screws, Nuts, and Threads – a Brief Overview What do a toothpaste tube, a jar of jam, a water bottle, and a light bulb have in common? A screw connection. …

« Sample Preparation in the Biochemical Laboratory » The centrifuge is indispensable in any biochemical laboratory. Whether you work with cells, proteins or DNA, one moment always arrives: unwanted components …