With advancements in sustainable production techniques and increasing awareness of energy efficiency, polyurethane foam is ...

That is injecting mixed two part polyurethane foam liquid components under a slab of concrete allowing the expansion effect of the chemical reaction to lift the slab. Technology developments with ...

Researchers at the Fraunhofer Institute for Applied Polymer Research IAP have developed a foil that changes into polyurethane ...

For the foil, the researchers synthesized a polyurethane foam and then compressed it. At a temperature of sixty degrees Celsius, the foil expands from 2.5 millimeters thick to a foam of 40 ...