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110 Current news about the topic polymerizationrss
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Biologically inspired structural colours for anti-counterfeiting applications
Scientists can use laser radiation to print tiny structures with high precision. This approach enables them to mimic the superpowers of animals and plants and makes them accessible for engineering applications. To survive in extreme habitats, many animals and plants have developed brilliant ...
New electrosynthesis process is independent of a power supply and can be used for sustainable organic synthesis, even in unpowered areas
Synthesis of organic compounds and polymers is at the core of many manufacturing industries. The new “electrifying synthesis” methods that can combine conventional synthetic chemistry with electrochemistry are a step closer to a sustainable tomorrow. These reactions don’t require potentially ...
Their degradation in water is much faster than that of reference polymers
Although plastics are very versatile in their uses, they pose a major problem: their degradation. Most of them take a long time to decompose in nature. In a new study published in Nature Communications, a research team from the CNRS and the University of Paris-Saclay has developed new polymers ...
The technology forms a "missing link" for a wide variety of new application areas
In the framework of an EXIST Transfer of Research project, the HETEROMERGE team is developing a technology for automated material exchange for high-precision 3D printers toward market maturity, enabling multi-material printing even in the area of extremely small structure sizes of down to 100 ...
New class of water-soluble catalysts that can be used to polymerize ethylene directly in water
Chemists from Konstanz develop a new class of catalysts that enable manufacturing of polyethylene dispersions directly in water. This opens up perspectives for the environmentally-friendly, solvent-free production of plastic coatings. Polyethylene (PE) is one of today's most important types of ...
Combined with new translucent material, 3D-printing of entire optical systems possibl
Highly precise 3D-structures in black can now be printed using a 2 Photon-Polymerization (2PP) 3D-printing process. This seemed for a long time impossible as non-transmissive (black) materials greatly reduce the polymerization efficiency of the printing process. Now the 2PP-specialist UpNano GmbH ...
Analysis helps to understand fragmentation of catalyst particles in ethylene polymerisation
An X-ray study at DESY is pointing the way towards a better understanding of plastics production. A team led by Utrecht University investigated so-called Ziegler-type catalysts, the workhorses in the world's polyethylene and polypropylene production, at DESY's X-ray source PETRA III. As the ...
Economical synthesis of polyacrylates and polymethacrylates from biobased materials
Despite the best efforts of industry to work towards sustainability, most plastics (or polymers) are still made using non-renewable fossil fuels. However, researchers have now found an economical method for producing biobased acrylate resins. The study, published in the journal Angewandte Chemie, ...
Insights into a novel environment friendly method of polymerization involving non-metallic organocatalysts opens doors to efficient polymeric products
Many materials in the modern world--from the plastics that dominate it to the electronic chips that drive it--are constructed of polymers. Given their ubiquity and the evolving requirements of our world, finding better and more efficient methods of making them is an ongoing research concern. In ...
How long-chain molecules are formed
Before life emerged on Earth, many physicochemical processes on our planet were highly chaotic. A plethora of small compounds, and polymers of varying lengths, made up of subunits (such as the bases found in DNA and RNA), were present in every conceivable combination. Before life-like chemical ...