New green EPDM – natural fibers composites with electron beam
Ethylene propylene diene terpolymer, or EPDM for short, is a is a widely used synthetic rubber usually compounded with fillers such as carbon black, silica or talc to improve its physical–mechanical properties and to reduce its cost. A considerable amount of research has recently been devoted to the replacement of these fillers with renewable material such as plant fibers that are lighter, stiffer, and stronger.
An article published in April 2020 in the journal Materials describes how a new EPDM – hemp fiber composite was obtained using electron beam processing. The new green composite exhibits improved hardness, tensile and tear strength and could be used in the manufacture of packaging or sealing materials in the food, pharmaceutical or medical sector. Thanks to its excellent resistance to radiation, it could withstand multiple sterilization cycles.
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