American scientists from the University of Washington have developed materials from coffee grounds and mushroom disputes that could replace the polystyrene foam. The composition can be used to create objects using 3D printing. The study was published scientifically magazine 3D printing and additives Manoufactoring (3DPAM).
Experts stated that ground coffee is rich in nutrients and sterilized during brewing, so it is ideal for growing mushrooms that make up a micelial shell. This lid is a root system that can connect free substances to durable, waterproof and light material.
He prepared the team paste, mixed coffee with brown rice flour, Xantan gum, water and mushroom sports. The composition was then placed in a 3D printer and objects with the desired shape were created. Ready -ready -sets were placed in a humid environment for 10 days, then dried.
The tests showed that the power of the finished material can be compared with the polystyrene foam. In contact with water, the item absorbed only 7% moisture.
Scientists said that the coffee -toothed analogue of the foam is completely decomposed and the product could be eaten from it if desired.
Although technology requires a homogeneous coffee wire that complements scale, development authors plans to adapt it to other food waste.
Previously, researchers turned Food waste in bioplastics using germs.
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Source: Gazeta
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