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Fiber

The super-stretchy graphene yarn

Copper electrical wiring may soon be facing some stiff competition – or actually, some very stretchy competition. Scientists at Pennsylvania State University and Japan's Shinshu University recently created a "super-stretchable" conductive yarn made from graphene.  Read More

Fiber made from cellulose claimed to be as strong as steel

A team of researchers working at Stockholm's KTH Royal Institute of Technology claim to have developed a way to make cellulose fibers stronger than steel on a strength-to-weight basis. In what is touted as a world first, the team from the institute's Wallenberg Wood Science Center claim that the new fiber could be used as a biodegradable replacement for many filament materials made today from imperishable substances such as fiberglass, plastic, and metal. And all this from a substance that requires only water, wood cellulose, and common table salt to create it.  Read More

The fiber-shaped Li-ion batteries can be woven into textiles capable of powering wearable ...

Scientists at the Fudan University in Shanghai, China, have developed a high-performance Li-ion battery made of carbon nanotube fiber yarns. Roughly one 1 mm in diameter, the fiber shaped lithium-ion batteries are reported lightweight enough to create weavable and wearable textile batteries that could power various devices. The researchers say that the yarn is capable of delivering nearly 71 mAh/g of power, and can also be woven into existing textiles to create novel electronic fabrics.  Read More

The flexible supercapacitor composed of graphene and carbon nanotubes (Photo: Dr.Dingshan ...

An international team of researchers has developed a supercapacitor composed of graphene and carbon nanotubes that is claimed flexible enough to be woven into clothing and potentially powerful enough to offer a real alternative to batteries for use in portable devices. Capable of being charged and discharged in excess of 10,000 cycles, the new supercapacitor also promises to be significantly lighter, faster to charge, and more robust than current battery technology.  Read More

The 2014 Lincoln MKX will incorporate Cellulose Reinforced Polypropylene in its center con...

Usually when you hear about wood being used in a car's interior, it's a fancy solid hardwood used to class up the dashboard. On Ford's 2014 Lincoln MKX, however, a relatively new wood-based composite material will be used in place of heavier, less eco-friendly fiberglass.  Read More

A Denimite wallet, with a band made from a recycled bicycle inner tube

As evidenced by our friend carbon fiber, composite materials get a big boost in strength when fibers are part of the recipe. Examples include composites made with plastic, wood pulp, and flax fibers. Husband-and-wife design team Jen Carlson and Josh Shear have taken this concept to a funky new level, by using shredded old blue jeans to create a denim fiber composite known as Denimite.  Read More

Underlying structure of the wall of a wood cell, showing the substructure of load-bearing ...

The Forest Products Laboratory of the US Forest Service has opened a US$1.7 million pilot plant for the production of cellulose nanocrystals (CNC) from wood by-products materials such as wood chips and sawdust. Prepared properly, CNCs are stronger and stiffer than Kevlar or carbon fibers, so that putting CNC into composite materials results in high strength, low weight products. In addition, the cost of CNCs is less than ten percent of the cost of Kevlar fiber or carbon fiber. These qualities have attracted the interest of the military for use in lightweight armor and ballistic glass (CNCs are transparent), as well as companies in the automotive, aerospace, electronics, consumer products, and medical industries.  Read More

Penn State researchers have developed a way to manufacture starch fibers, which might lead...

Should you rip it off fast or slow? Researchers at Penn State may have found the elusive third, painless option. Professor Greg Ziegler and research assistant Lingyan Kong have developed a process that spins starch into fine strands, creating fibers that could be woven into low-cost toilet paper, napkins and biodegradable bandages that don't need to be ripped off at all.  Read More

Biotech firm Sigma Life Science plans on developing genetically-modified silkworms, that w...

Although cobwebs may seem very fragile when we see people like Indiana Jones crashing through them, the fact is that spider silk is an incredibly strong and flexible material. It has a tensile strength similar to that of high-grade steel while only being one-fifth as dense, it can stretch up to 1.4 times its relaxed length without breaking, and it can maintain those properties down to a temperature of -40C (-40F). Given that spiders don't secrete huge quantities of the stuff on a daily basis, however, what's a biotech firm to do if it wishes to harvest the fibers for use in human technology? In the case of Sigma Life Science, it's getting genetically-modified silkworms to spin spider silk.  Read More

A boll of cotton matures in the field  (Texas AgriLife Research photo by Kathleen Phillips...

Cotton has held an important significance for mankind for thousands of years. Not only are all parts of the cotton plant economically useful, but the multitude of uses and processes it can be put to make it America's number one value-added crop. Over the years we have crushed and extruded and woven cotton into many forms, but even today scientists and entrepreneurs are transforming the way we use cotton; from reducing pollution, insulating homes, and cleaning up oil spills to feeding the hungry. Here's a look at seven new companies being championed for their sustainability by Cotton Incorporated.  Read More

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