Researchers have successfully developed a new type of 3D-printed plastic that is not only economical but also stretchable and recyclable. This innovative material, called thermoplastic elastomer, is composed of various polymer molecules that combine to create a flexible plastic solution.
The researchers highlight that their new plastic can be melted into a liquid state and subsequently reformed into solid shapes. When set, the polymers arrange into neat cylindrical nanostructures around five nanometers thick—about twice the width of a DNA strand. The ability to easily melt and reshape this material contributes significantly to its recyclability.
This advancement could lead to the creation of materials specifically designed for unique properties, an area previously explored by the team in their efforts to enhance 3D printing techniques to maximize the flow characteristics of polymers while in liquid form. The resulting material is strong, flexible, and stretchable.
Plastic pollution is a significant global issue, with microplastics even detected in the atmosphere. If the scalability of this new 3D-printed plastic proves to be viable, it could revolutionize the production of advanced biomedical devices and wearable electronic technologies.
More details are available in the latest issue of Advanced Functional Materials. Although the timeline for scaling up this material remains uncertain, its successful development marks a promising leap forward in addressing environmental concerns related to plastic waste.