Petrochemicals OxoBiodegradable Polymers 27-07-2019
Plastic packaging pundit Chandler Slavin comments on a new “infinitely recyclable” plastic that redefines the economics of packaging recycling. Poly(diketoenamine) or PDK could offer a solution to waste and pollution in the oceans.
Environmental dread, that pang you feel in your chest when you read another story about the decay of our natural environment. Plastics pollution in particular, a magnifying glass through which we see our over-consumptive, throwaway society.
Plastic packaging has long been the scapegoat of our collective environmental anxiety: We touch it, we recycle it—yet it persists in our natural environment. This is because there is no easy money in recycling.
A new packaging plastic aims to leapfrog the paltry U.S. recycling rates of around 30% for polyester and high-density polyethylene—the two highest recycled packaging plastics, according to Environmental Protection Agency stats. Meet PDK, poly(diketoenamine), a new potential game-changing polymer that can be manufactured, used, recycled and re-used—without losing its properties or value.
Developed by researchers at the U.S. Department of Energy’s (DOE) Lawrence Berkeley National Laboratory, PDK is described as recyclable plastic that, “like a Lego playset, can be disassembled into its constituent parts at the molecular level, and then reassembled into a different shape, texture, and color again and again without loss of performance or quality,” according to a press release on the Berkeley Lab website.
At the quadrennial ITMA 2019 textile machinery exhibition, which was held last month in Barcelona, the new Steiger Vega 3.130 compact flat knitting machine for technical textiles was unveiled. The highly anticipated launch had been announced at a pre-ITMA 2019 press conference held by Swissmem in Lucerne in March.
Steiger, which is now part of the Cixing Group – the world’s largest manufacturer of flat knitting machines – is celebrating its 70th anniversary in 2019 and is still manufacturing at its plant in Vionnaz, Switzerland, as well as in China.
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The market for polyamide (PA 6) for packaging applications was quiet as July began.
Producers said that processors had emptied their warehouses so demand was weaker than usual.
Supply was abundant, which is also the result of the situation facing the ailing automotive industry. Prices softened between June and July, although this downward trend had sometimes begun back in May.
China’s relationship with Iran is being put to the test after US president Trump slammed sanctions on Chinese state-run energy company Zhuhai Zhenrong for allegedly violating restrictions imposed on Iran’s oil sector.
U.S. Secretary of State Mike Pompeo stated that the sanctions were put in place as the company engaged in the sale and delivery of Iranian oil without a waiver provided by Washington. This action can be seen as another step in Trump’s sanctions agenda to bring the regime on its knees.
With ongoing disruptive megatrends in the automotive industry, auto OEMs and suppliers are facing strong pressure to innovate according to materials supplier Asahi Kasei.
“New, innovative solutions are in high demand,” the Japanese firm says. The company claims that its newly developed polyamide (PA) beads foam offers unique possibilities for lightweight and noise reducing applications.
Regenerated and recycled yarn will be a main attraction of the Yarn Expo Autumn 2019 which will feature a wide array of different yarn and fibre materials. The show, to be held during September 25 – 27, 2019 will showcase sustainably-produced regenerated cellulose fibres, along with plenty of recycled options that close the loop in the fashion industry.
Regenerated yarns and fibres can be found from exhibitors such as Birla, overseas newcomers Else Bornewa (Turkey), Hai Thien Synthetic Fibre (Vietnam) and Henbang Textile Vietnam (Vietnam), as well as domestic exhibitors.
The packaging industry gathered in Seattle in early April for SPC Impact 2019, an event held by the Sustainable Packaging Coalition (Charlottesville, VA) to review the latest trends and innovations in reducing the environmental impacts of packaged goods.
I had the privilege of participating in a panel exploring the impact of bioplastics on the industry today and how it may evolve in the future. Here are three key takeaways that were covered during the session.
In keeping with the motto ‘Making more out of your plastics’, Coperion and Coperion K-Tron will exhibit a variety of new and continuing developments of their technological solutions for plastics processing at K 2019.
Coperion will demonstrate how, by using energy and other resources responsibly, even plastics can be manufactured sustainably.
The focus will be on recycling and upcycling, as well as processing of biodegradable plastics.
In his first day in office, new prime minister controversially returns his brother to former brief as science and universities minister, while pledging to liberate UK bioscience and develop UK satnav rival to Galileo
Boris Johnson pledged to abandon European environmental rules that have curtailed development of genetically modified (GM) crop plants and farm animals in the UK, in his first speech as prime minister on Wednesday.
“Let’s liberate the UK’s extraordinary bioscience sector from anti-genetic modification rules. Let’s develop the blight-resistant crops that will feed the world,” Johnson said.