Use of wood powder and adhesive as a mixture for 3D printing
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In recent years there has been much development in the field of additive manufacturing technologies, but only a few attempts have been made to use natural materials like wood for 3D printing. In this research different ratios of wood powder were used as a component in adhesive mixtures for 3D printing. Polyvinyl acetate and urea–formaldehyde adhesives were used as binders, and the optimum mixture was determined by measuring the corresponding extrusion forces. Simple blocks were 3D printed and the bending properties of these blocks were investigated. The bending strength depended on the amount of wood powder in the mixture and on the type of adhesive.
KeywordsPolylactic Acid Additive Manufacturing PVAc Acrylonitrile Butadiene Styrene Extrusion Force
The authors would like to thank the Slovenian Research Agency for financial support within the scope of the program P4-0015, as well as the Ministry RS of Education, Science and Sport within the framework of the WoodWisdom-Net+ project W3B Wood Believe, and Luka Žakelj for technical help.
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