Phys.org » Polyurethane
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Phys.org » Polyurethane
5d ago
Oil spills are deadly disasters for ocean ecosystems. They can have lasting impacts on fish and marine mammals for decades and wreak havoc on coastal forests, coral reefs, and the surrounding land. Chemical dispersants are often used to break down oil, but they often increase toxicity in the process ..read more
Phys.org » Polyurethane
1M ago
Researchers from CERM (Center for Education and Research on Macromolecules) at the University of Liège have just developed an innovative process for producing isocyanate-free, recyclable and biobased polyurethane (PU) foams by using a rapid foaming technology from room-temperature formulations ..read more
Phys.org » Polyurethane
8M ago
A team of chemical engineers at Zhejiang University, in China, has developed a way to convert polyurethane foams to 3D printing resins. In their paper published in the journal Nature Chemistry, the group describes their technique and possible ways the resins could be used ..read more
Phys.org » Polyurethane
8M ago
Polyurethane plastics are ubiquitous, used everywhere from mattresses to shoes. But once these products are no longer wanted, these materials litter landfills and oceans across the world ..read more
Phys.org » Polyurethane
9M ago
Senior Researcher Lim Sang-gyu, leading a team of researchers at the Department of Energy Convergence Research, DGIST, achieved a remarkable milestone with the development of an eco-friendly thermoplastic polyurethane boasting a staggering biocarbon content of 97 ..read more
Phys.org » Polyurethane
9M ago
It created something of a stir back in 2022, when researchers from Aarhus University announced a new and inexpensive way of breaking down polyurethane (PU) plastic into its original components, which can then be recycled into new PU material instead of ending up in landfills or incinerators ..read more
Phys.org » Polyurethane
10M ago
Polyurethane is highly elastic, wear resistant and durable, and is used, for example, in cushions, fibers, thermal insulation materials, dyes, adhesives and automobile parts. Polyurethane is an industrially-important polymer material, with an estimated worldwide market value of 75 billion dollars ..read more
Phys.org » Polyurethane
1y ago
A new plant-based substitute for polyurethane foam eliminates the health risk of the material, commonly found in insulation, car seats and other types of cushioning, and it's more environmentally sustainable, our new research shows ..read more
Phys.org » Polyurethane
1y ago
A team of researchers from the Center for Education and Research on Macromolecules (CERM) at the University of Liège (Belgium) has developed an innovative process that rethinks the manufacturing of polyurethane (PU) foams without the use of isocyanates—highly toxic agents—while being recyclable. This study is published in the journal Angewandte Chemie International Edition ..read more
Phys.org » Polyurethane
1y ago
Car seats, mattresses and insulation materials are often made of polyurethane foams. The foaming process of the liquid polymer emulsions is complex. Fraunhofer researchers are now able to simulate the foaming behavior and reliably characterize the material. This also works with composite materials in which the plastic foams are combined with textile structures ..read more