Rutgers scientists create plastics that can break down at programmed speeds using a chemistry inspired by nature.
A routine hike through Bear Mountain State Park turned into a turning point for Rutgers chemist Yuwei Gu. He stopped when he saw plastic bottles scattered along the trail and floating in the lake.The scene felt wrong in a place that otherwise looked untouched.
That moment sparked a question that guided his next research breakthrough.Nature makes polymers like DNA and RNA that eventually break down. Plastics do not. Why not?“Biology uses polymers everywhere, such as proteins, DNA, RNA and cellulose, yet nature never faces the kind of long-term accumulation problems we see with synthetic plastics,” Gu said. As he stood in the woods, another realization followed.“The difference has to lie in chemistry.”Copying nature’s strategyGu knew natural polymers include small helper groups built into their structure. These groups sit in strategic positions and make bonds easier to break when needed. Plastics lack those helpers. That gap became the foundation of a new approach.“I thought, what if we copy that structural trick?” Gu said. “Could we make human-made plastics behave the same way?”His team tested the idea, and the concept worked.The researchers created plastics that stay strong while in use but break down when exposed to specific everyday triggers. No heat or harsh chemicals are required.“We wanted to tackle one of the biggest challenges of modern plastics,” Gu said. “Our goal was to find a new chemical strategy that would allow plastics to degrade naturally under everyday conditions without the need for special treatments.”Built-in controlThe method does more than make plastics degradable. It lets scientists control the speed of degradation. The researchers achieved this by positioning chemical components so they are ready to activate when triggered.The process is similar to folding paper along a crease. The sheet stays intact until pressure reaches the crease, then tears easily.Gu said orientation strengthens the control. “Most importantly, we found that the exact spatial arrangement of these neighboring groups dramatically changes how fast the polymer degrades.” With adjustments, the same plastic can break down in days, months, or years.Products could be tailored to the purpose. A take-out container might disappear after a short time. Car parts could remain for many years. The breakdown can also be switched on or off using ultraviolet light or metal ions.Future uses and next stepsEarly lab tests show the breakdown liquid is not toxic, but more evaluation is planned. The team also sees potential for new technology, including medical capsules that release drugs on schedule and temporary coatings that erase themselves.“This research not only opens the door to more environmentally responsible plastics but also broadens the toolbox for designing smart, responsive polymer-based materials across many fields,” Gu said.The researchers are now studying safety, manufacturing compatibility, and ways to apply the chemistry widely.Looking back, Gu said the spark still feels surreal. “It was a simple thought, to copy nature’s structure to accomplish the same goal,” he said. “But seeing it succeed was incredible.”The study is published in the journal Nature Chemistry.
Environmental Innovation Polymer Chemistry Programmable Degradation Rutgers University Sustainable Materials
United States Latest News, United States Headlines
Similar News:You can also read news stories similar to this one that we have collected from other news sources.
Revisiting 1988 when Rutgers left Happy Valley with a Rare VictoryDuring the 1988 season, Rutgers opened up the season with a massive 17-13 upset against No. 15 Michigan State in East Lansing. In true Rutgers fashion, the Knig
Read more »
Penn State star will be a ‘game-time decision’ for Rutgers matchupThe Nittany Lions may get a defensive boost against the Scarlet Knights.
Read more »
Penn State-Rutgers predictions: Our experts release their picks for regular-season finaleWill the Nittany Lions earn a bowl bid to finish an uneven year?
Read more »
Film Study: What Ohio State's Win Over Rutgers Can Tell Us About The GameContinual improvement up front and even more excellence in the secondary provided positive signs for the Buckeyes in their final tune-up before heading up north.
Read more »
Scientists Found a Weird Way to Make People Kinder: Add BatmanThe Best in Science News and Amazing Breakthroughs
Read more »
Eagles run over by former teammate and a rookie from Rutgers in ugly loss to BearsEagles' takeaways from their Black Friday game against the Chicago Bears.
Read more »