Posts in category

Technologies


Student Spotlight: Sustainable porous carbon nanofiber alternatives to oil-based materials

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Student Spotlight: Driving performance improvement for PLA in fibers and nonwovens

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The potential for nanofiber

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Nolla Silver Polymer: Crystal-clear liquid polymer contains 7,500 to 120,000 ppm of active silver and is highly effective against viruses, bacteria and fungi.

A Finnish company has developed an antimicrobial technology designed to eradicate highly resistant and dangerous pathogens, including the top five on the World Health Organization’s list of dangerous bacteria.

The new Nolla technology is also applicable for fiber coating, explained Jyri Nieminen, chief executive officer of Nolla Antimicrobial.

The technology is based on ionic silver, which is the most potent antimicrobial form of silver. An intelligent polymer carrier is used to preserve and deliver the silver ions.

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Ultra-Fresh antimicrobial treated fibers

Today’s consumers demand high performance from the products they purchase such as apparel, home textiles and flooring products, so combating the undesirable effects of microbial growth is of utmost importance.

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In March 2018 Beijing Sanlian Hope Shin-Gosen Technical Service Co. Ltd (SLHP) acquired 80% of the shares of Polymetrix AG, while 20% of the shares remained with Bühler AG in Switzerland. The strategic orientation of the new owners allows Polymetrix to grow rapidly and provide additional technology and engineering solutions for the polymer industry and …

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By Haydn Kriel, R&D Manager; Dr. Megan Coates, Senior Scientist; and Dr. Eugene Smit, CEO, The Stellenbosch Nanofiber Company (Pty.) Ltd. (SNC)

Nanofibers have a range of applications in medicine, cosmetics, environmental monitoring, energy generation and the manufacture of smart materials. The high surface area-to-volume ratio of these nanomaterials is highly beneficial for drug delivery and catalysis, and their controllable pore sizes, that can be tailored to selectively exclude components like bacteria or pollutants, makes nanofiber webs ideal for filtration, tissue engineering and wound care. Nanofibers are also versatile in that additives can be encapsulated within the fibers or coated on to the surface. The choice of the polymer and the nanofiber dimensions can be changed to obtain specific material properties.

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As a common class of material, polypropylene (PP) is widely acknowledged for its excellent resistance to harsh chemical environments, though it is sensitive to oxidizing agents. With biofouling remaining an inevitable phenomenon, people depend on local authorities to keep thoroughfares safe. Concrete steps and ramps at the ocean can be particularly hazardous when covered in …

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