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Kurt Rosentrater, an agricultural engineer at ARS, points out that the byproducts are dried distillers dried grains with solubles (DDGS), which have a high cellulose content and a molecular structure suitable for joining two materials with different properties and can therefore be used as fillers for plastics.
The researchers flattened the injection molded parts of DDGS and Bakelite resin blends (with DDGS content from 0 to 90%) and found the best performance at DDGS levels of 25% to 50%. These findings were published in a recent Journal of Polymers and the Environment (JPE).
The preliminary study was limited to the physical properties of different levels of DDGS/plastic blends, so future testing focuses on other aspects.
The research results can be used to develop new bio-based products. Rosentrater and Andrew W. Otieno, as well as the Department of Technology of Illinois North Illinois University of Illinois, have formulated comprehensive plans to develop plastic composite materials containing biological materials. The situation of this work is still published on JPE.
Clay is usually added to plastics, talcum powder, glass fiber and metal fillers to increase their strength, reduce the actual plastic resin raw materials used to reduce costs, and bio-based fillers such as bamboo fiber, kenaf fiber, corn stover and even chicken fiber With more and more attention, DDGS and DDG (Distiller's Grain) can be used as fillers for plastics.
High-fiber soluble distillers can be used for plastic fillers
Researchers at the Agricultural Research Service (ARS) have discovered that a by-product from the ethanol fermentation process can be used as a non-oil matrix filler for plastic products.