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    امروز  جمعه - ۲۸ دی - ۱۳۹۷  

PolymPart: Organic polymers are used in solar cells, sensors, LEDs and in many other devices. One specific type of polymer, S-PPV, was previously regarded as promising in theory, but almost impossible to produce from a technical perspective. After many years of work, a team from TU Wien has now identified a new chemical synthesis process for the production of S-PPVs (SPPV polymers) . This production process has now been patented. SPPV polymers "PPVs are polymers that have superb technological properties," says Florian Glöcklhofer from the Institute of Applied Synthetic Chemistry at TU Wien. "They conduct electrical current and interact with light in such a way that they are of great interest for use in solar cells or LEDs." They have a long, solid ...

Scientists in China say they’ve developed a new anti-microbial finish (Polymer nanogel) for cotton textiles that uses a nanoscale polymer treatment based on guanidine, which both inhibits and kills bacteria using a novel method without the use of metals or conventional anti-bacterial textile chemistries. The researchers claim the new finish is more environmentally preferential than traditional antimicrobials, displays good thermal stability, and is stable during laundering. So far these nanogels have been successfully applied to the surface of cotton fibres, but it's thought they can also be applied to other types of natural fibres. Source: ...

The product, manufactured by Embr Labs, is a bracelet-type wearable that is aimed to act as a personal thermostat, and it has been developed to stimulate a person’s thermoreceptors to use the body’s natural systems to make the wearer feel cooler or warmer by five degrees within a few minutes. Embr Labs developed the product through prototyping and customer testing. When it came time for the production design, the company wanted to use a frosted light pipe with LEDs as the primary user interface. Sam Shames, co-founder of Embr Labs said: “We turned to Covestro to help select the right material and optimize the design for optical performance.” Based on the requirements, Embr Labs chose Makrolon 2407 polycarbonate. For the Embr Wave, diffusers and ...