Search results for: polymer

What is a lithium-ion battery?

lithium-ion battery

The lithium-ion battery is one of the best-sellers of recent decades in microelectronics. It is present in most of the devices we use in our daily lives, from our mobile phones to electric cars. The 2019 Nobel Prize in Chemistry was awarded to John Goodenough, Stanley Wittingham, and Akira Yoshino, …

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An autonomous contact lens to improve human vision

lentille autonome, autonomous contact lens

Two teams from IMT Atlantique and Mines Saint-Étienne have developed an autonomous contact lens which is powered by an integrated flexible micro-battery. This invention is a world first that opens new health prospects, whilst also opening the door for scientists to develop other human-machine interfaces.   Human augmentation, a field …

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Interactions Materials-Microorganisms

Christiine Lors

This book is devoted to biocolonization, the biodeterioration of materials and possible improvements in their performance. Many materials age according to their use and their environment. The presence of microorganisms can then lead to biodeterioration. However, these can also help protect structures, provided their properties are used wisely. Christine LORS, …

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What happens to nanoparticles when they become waste?

nanoparticles

For the past twenty years, industry sectors across the board have been producing a wide range of nanomaterials. They have developed rapidly and with little in the way of regulation. This has led to a regulatory vacuum when it comes to the end-of-life management of these nanomaterials. Little is known …

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ALGIMEL, a ‘marine’ polystyrene

ALGIMEL is an environmentally-friendly material which is used in a wide range of projects.

In the future, materials will not only need to be more efficient; it will also be essential that they are environmentally friendly. With this in mind, researchers from IMT Mines Alès who specialize in bio-sourced materials are working on this project.  Over the past few decades, they have been trying …

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Polybioskin, natural skin through more ethical products

Polybioskin

Skin contact products, whether for medical, sanitary or cosmetic purposes, have two major drawbacks: they are neither recyclable nor biodegradable. The Polybioskin H2020 project aims to correct these aspects which are out of step with consumers’ growing environmental awareness and concerns. Launched two years ago, the Polybioskin project brings together …

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Romain Quey, all about polycrystals

Romain Quey

A recent winner of a CNRS Bronze medal, Romain Quey is a materials science researcher at the Georges Friedel[1] laboratory at Mines Saint-Étienne. He focuses especially on the deformation of metallic polycrystalline materials. In the following interview for I’MTech, he presents his research, between synchrotron radiation and digital simulation.   …

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Recycling carbon fibre composites: a difficult task

carbon fibre

Carbon fibre composite materials are increasingly widespread, and their use continues to rise every year. Recycling these materials remains difficult, but is nevertheless necessary at the European level for environmental, economic and legislative reasons. At IMT Mines Albi, researchers are working on a new method: vapo-thermolysis. While this process offers promising …

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“We must work now to recycle composites”

recycling

High-performance composite materials are used in cutting-edge sectors such as energy, aerospace and defense. The majority of these parts have not yet reached the end-of-life stage, but recycling them remains a medium-term issue that must be considered now in order to offer technically efficient and economically viable solutions when the …

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Could additive manufacturing be the future of the plastics industry?

FDM

There has been a significant revolution in the world of materials as 3D printing has proved its potential for innovation. Now it must be put into practice. While 3D printers are increasingly present in prototyping workshops, they have been slow to replace the processes traditionally used in the plastics industry. …

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