BindersMaterialsSustainability

Green Polymer Additives releases binders for bound metal and ceramic printing

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Emery Oleochemicals’ Green Polymer Additives business unit has developed a binder system for 3D printing of sinterable metals and ceramics to further extend the material options available to the additive manufacturing industry.

Emery’s technical group began developing the company’s first binder system for metal injection molding in the early 1990s. Since then, applications have developed from powder injection molding (PIM) and powder extrusion to the latest stage of additive manufacturing using filaments made from sinterable feedstock.

These filaments contain a high content of metal or ceramic powder, usually greater than 80 percent by weight. After filament 3D printing, the part goes through post-processing steps involving solvent and thermal treatment steps to create the final full metal or ceramic part. Emery Oleochemicals has been working with partners such as Xerion to 3D print a variety of metal and ceramic parts.

Green Polymer Additives introduces new binders 3D printing of metals and ceramics

Emery’s Green Polymer Additives binder and feedstock systems provide several sustainability and technology benefits. The parts have improved characteristics during the post-processing steps such as superior part strength and lower shrinkage.

Another advantage is that the same binder system that is used for prototyping via 3D printing can also be used for mass production via powder injection molding. For 3D printing, the feedstock filament can be processed by a standard filament printer just with a modified print head. Extensive experience and the versatility of Emery Oleochemicals’ binder system allow the adaption to a wide range of sinterable metal or ceramic powders.

Green Polymer Additives
Metal and ceramic parts depicting green parts (left side) and sintered parts (right side)

 

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Davide Sher

Since 2002, Davide has built up extensive experience as a technology journalist, market analyst and consultant for the additive manufacturing industry. Born in Milan, Italy, he spent 12 years in the United States, where he completed his studies at SUNY USB. As a journalist covering the tech and videogame industry for over 10 years, he began covering the AM industry in 2013, first as an international journalist and subsequently as a market analyst, focusing on the additive manufacturing industry and relative vertical markets. In 2016 he co-founded London-based 3dpbm. Today the company publishes the leading news and insights websites 3D Printing Media Network and Replicatore, as well as 3D Printing Business Directory, the largest global directory of companies in the additive manufacturing industry.

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