Laundry capsules that contain single doses of detergent and take up less space than conventional detergents are set to make a comeback. That’s the topic of an article in the current edition of Chemical & Engineering News (C&EN), weekly newsmagazine of the American Chemical Society, the world’s largest scientific society.
C&EN Assistant Managing Editor Michael McCoy explains that the technology behind films used to package the single doses of detergent have come a long way in the five decades since their debut. Previous versions of the encapsulating films interacted poorly with the detergent and had short shelf-lives. And another type of single-dose formulation — essentially a tablet of compressed laundry powders — didn’t dissolve fully, leaving partially consumed chunks among the clean clothes.
In recent years, single-dose liquids packaged in polyvinyl alcohol film have caught on in the U.K. and France. The German company Henkel now has plans to market a similar “mono-dose” in the U.S. in the coming weeks, and Procter & Gamble plan to launch “Tide Pods” within a month. The same dose is used regardless of the amount of laundry that needs to be washed. Although the main technical challenges have been solved, experts say that “the jury is still out” on whether consumers are ready for these products.
Michael Woods | Newswise Science News
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Physicists of the University of Würzburg have made an astonishing discovery in a specific type of topological insulators. The effect is due to the structure of the materials used. The researchers have now published their work in the journal Science.
Topological insulators are currently the hot topic in physics according to the newspaper Neue Zürcher Zeitung. Only a few weeks ago, their importance was...
In recent years, lasers with ultrashort pulses (USP) down to the femtosecond range have become established on an industrial scale. They could advance some applications with the much-lauded “cold ablation” – if that meant they would then achieve more throughput. A new generation of process engineering that will address this issue in particular will be discussed at the “4th UKP Workshop – Ultrafast Laser Technology” in April 2017.
Even back in the 1990s, scientists were comparing materials processing with nanosecond, picosecond and femtosesecond pulses. The result was surprising:...
Have you ever wondered how you see the world? Vision is about photons of light, which are packets of energy, interacting with the atoms or molecules in what...
A multi-institutional research collaboration has created a novel approach for fabricating three-dimensional micro-optics through the shape-defined formation of porous silicon (PSi), with broad impacts in integrated optoelectronics, imaging, and photovoltaics.
Working with colleagues at Stanford and The Dow Chemical Company, researchers at the University of Illinois at Urbana-Champaign fabricated 3-D birefringent...
In experiments with magnetic atoms conducted at extremely low temperatures, scientists have demonstrated a unique phase of matter: The atoms form a new type of quantum liquid or quantum droplet state. These so called quantum droplets may preserve their form in absence of external confinement because of quantum effects. The joint team of experimental physicists from Innsbruck and theoretical physicists from Hannover report on their findings in the journal Physical Review X.
“Our Quantum droplets are in the gas phase but they still drop like a rock,” explains experimental physicist Francesca Ferlaino when talking about the...
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