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Plastics


— Environment

New technique allows scrap rubber to be recycled into high-quality plastic

By - November 13, 2012 2 Pictures
It's reckoned that most of the 22 million tons of rubber that is processed every year worldwide goes into making vehicle tires and that once rubber products reach the end of their useful lives, for the most part they end up being incinerated. Even when the rubber residues are reclaimed and re-used to make new products, the lack of techniques for producing high-quality materials means that the recyclables are relegated to secondary products such as arena or playground floor coverings or padded doormats. Looking for new ways to optimize the recycling of rubber waste, researchers have developed a material called EPMT that has the desired material properties and characteristics for use in the manufacture of high quality products such as wheel and splashguard covers, handles, knobs and steerable casters. Read More
— Environment

Sea Chair Project harvests plastic from the oceans to create furniture

By - August 20, 2012 13 Pictures
You may have heard about the huge floating islands of garbage swirling around in the middle of the Earth's oceans. Much of that waterlogged rubbish is made up of plastic and, like Electrolux with its concept vacuum cleaners, U.K.-based Studio Swine and Kieren Jones are looking to put that waste to good use. As part of an ambitious project, they’ve come up with a system to collect plastic debris and convert it into furniture. Read More

The shell of your next device could be made of paper ... partly

It’s possible that your next laptop computer could contain parts of your present-day notebook ... not your notebook computer, mind you, but your actual notebook. At least, it will if China's PEGA Design and Engineering has anything to say about it. The company’s new Paper PP Alloy, made from a combination of recycled paper and polypropylene, is intended for use in the shells of consumer electronic devices. Read More
— Good Thinking

Mathematical model could streamline the development of new plastics

By - September 30, 2011 1 Picture
When it comes to the development of new plastics, two things have generally happened – a plastic is created and then a use is found for it, or a long trial-and-error process is undertaken in order to create a plastic with specific qualities. In a move that has been described as “comparable to cracking a plastics DNA,” however, scientists at the University of Leeds and Durham University have created a mathematical model that should allow specialty plastics to be created much more quickly and efficiently. Read More
— Environment

Tough plastic film made from waste chicken feathers

By - April 4, 2011 1 Picture
At last week’s 241st National Meeting & Exposition of the American Chemical Society, a number of institutions presented their research into possible new sources of eco-friendly bioplastic, including everything from fruit fiber to bone meal. On the final day of the event, one other idea was put forward – bioplastic made from waste chicken feathers. While this particular source material has been tried only semi-successfully in the past, the researchers claim that this time, the chicken plastic should take flight. Read More
— Environment

Fruit fibers used to create 'green' plastic for cars

By - March 30, 2011 1 Picture
A research team from Brazil has developed a new form of plant fiber-based plastic that is claimed to be stronger, lighter, and more eco-friendly than plastics currently in use. Team leader Alcides Leão says that some of the so-called nano-cellulose fibers can be almost as stiff as Kevlar, but that the plastic differs from many in widespread use because the source material – such as pineapple and banana – is completely renewable. The researchers say that current production efforts are centered around the manufacture of automotive plastics, but future development could see steel and aluminum being replaced. Read More
— Environment

Partially-biodegradable plastic made from waste bone meal

By - March 29, 2011 1 Picture
Creepy as it may sound, for decades one of the key ingredients in cattle feed was meat and bone meal (MBM), made from by-products of – you guessed it – slaughtered cattle. Sheep, farmed deer, elk and bison were also unknowingly eating their own kind. With the onset of the Mad Cow Disease scare in 1997, the U.S. and other countries banned the use of MBM-containing feeds, as it was believed that the disease could spread via the ingestion of infected animals' body parts. That ban has resulted in large quantities of MBM simply ending up in landfills. Now, however, scientists are suggesting that it could be used to make green(ish) plastics. Read More
— Good Thinking

Process for laser-welding clear plastics developed

By - February 2, 2011 1 Picture
Laser welding of plastic is quick, precise, and generates little waste, but it does have its limitations. The process involves shining a laser beam through the edge of an upper sheet of plastic and onto the joining edge of a lower sheet, which has had soot particles mixed into it to absorb the radiation – this means that manufacturers are almost always limited to joining transparent plastic to black plastic. Researchers from Germany’s Fraunhofer Institute for Laser Technology, however, have recently developed a method for welding transparent plastics to one another. Read More
— Science

New packaging would indicate when food is spoiled

By - January 13, 2011 1 Picture
Given that German scientists have already developed packaging film that kills food-inhabiting bacteria, it only makes sense that Scottish scientists should be developing the next step in the process – food packaging that changes color when the food is going bad. The “intelligent plastic” film, which is being created at Glasgow’s University of Strathclyde, is intended to take the guesswork out of whether or not the food packaged within it is still safe to eat. Read More
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