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Bio-inspired hydrogel can rapidly switch to rigid plastic

06-Dec-2019

A new material that stiffens 1,800-fold when exposed to heat could protect motorcyclists and racecar drivers during accidents. Hokkaido University researchers have developed a hydrogel that does the opposite of what polymer-based materials, like plastic bottles, normally do: their material ...

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Properties of graphene change due to water and oxygen

06-Dec-2019

We often find that food becomes rotten when we leave it outside for long and fruits turn brown after they are peeled or cut. Such phenomena can be easily seen in our daily life and they illustrate the oxidation-reduction reaction. The fundamental principle controlling physical properties of ...

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Electron correlations in carbon nanostructures

Behaviour of electrons in graphene nanoribbons elucidated

05-Dec-2019

New materials are needed to further reduce the size of electronic components and thus make devices such as laptops and smartphones faster and more efficient. Tiny nanostructures of the novel material graphene are promising in this respect. Graphene consists of a single layer of carbon atoms and, ...

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Two chiral catalysts working hand in hand

Chemists develop a synthetic method providing access to different stereoisomers of a molecule

05-Dec-2019

Just as our left hand is not superposable to our right hand, the mirror image of certain molecules cannot be overlapped onto it, even when turned or twisted. These two mirror images are referred to by chemists as enantiomers and the molecule is said to be chiral. Chirality, which is a word ...

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Smog-eating graphene composite reduces atmospheric pollution

05-Dec-2019

Graphene Flagship partners the University of Bologna, Politecnico di Milano, CNR, NEST, Italcementi HeidelbergCement Group, the Israel Institute of Technology, Eindhoven University of Technology, and the University of Cambridge have developed a graphene-titania photocatalyst that degrades up to ...

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Evonik to expand sodium methylate capacity in Argentina

04-Dec-2019

Evonik plans to increase its capacity for sodium methylate at its Rosario/Santa Fe facility from 60,000 metric tons up to 90,000 metric tons until 2021. The expansion is driven by growing demand for biodiesel in South America, mainly Argentina and Brazil. Sodium methylate is an important catalyst ...

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Solving the thermoelectric 'trade-off' conundrum with metallic carbon nanotubes

04-Dec-2019

Scientists from Tokyo Metropolitan University have used aligned "metallic" carbon nanotubes to create a device which converts heat to electrical energy (a thermoelectric device) with a higher power output than pure semiconducting carbon nanotubes (CNTs) in random networks. The new device bypasses ...

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Bayer completes sale of Currenta stake

Further step in Bayer’s efforts to sharpen focus on core business

03-Dec-2019

Bayer has completed the sale of its 60 percent stake in chemical park operator Currenta to funds managed by Macquarie Infrastructure and Real Assets (MIRA). The two companies had entered into an agreement to this effect back in August. The closing conditions, including approval by the responsible ...

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Magnetic nanoparticles with ionic liquids for water purification

Providing Safe, Clean Water

03-Dec-2019

In many parts of the world, access to clean drinking water is far from certain. Filtration of large volumes of water, however, is slow and impractical. In the journal Angewandte Chemie, scientists have introduced a new water purification method based on magnetic nanoparticles coated with a ...

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LANXESS acquires Brazilian biocide manufacturer

03-Dec-2019

Specialty chemicals company LANXESS has acquired Itibanyl Produtos Especiais Ltda. (IPEL). The family-run company with headquarters in Jarinu, São Paulo, is one of Brazil’s leading biocide manufacturers and generated sales in the lower double-digit million euro range in 2018. Both companies ...

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