Ingeo 3D700, a newly developed PLA grade for large-format additive manufacturing, provides significant reduction in warping, minimizes print failures

April 19 2021

NatureWorks continues to grow its portfolio of Ingeo biopolymers specially designed for additive manufacturing with the introduction of Ingeo 3D700 for use in large-format 3D printing. Monofilaments made with Ingeo biopolymer PLA are broadly used in the desktop 3D printing market having notable performance characteristics such as precise detail, good adhesion to build plates with no heating needed, reduced warping or curling, and low odor while printing. These properties make Ingeo well-suited for 3D printing using many different types of printers and for a broad range of printing applications from consumer-level to industrial applications.

In large-format printing, the higher rate and volume of polymer deposition can quickly result in excessive warpage with certain materials, like ABS, or significant shrinkage as with some polyolefins or even some general-purpose PLA grades. This can result in failed prints as warping pulls the part away from the print bed or causes layer separation. With the longer print times and higher-volume material use in industrial applications, failure during production is costly. By controlling the polymer-microstructure, the resulting amorphous PLA grade, Ingeo 3D700, has a low material shrink rate which is critical for reducing warpage, improving gap fill and adhesion, and ensuring successful prints.

A common approach for minimizing part warpage in large prints is to use compounded materials with reinforcement such as mineral fillers, glass, carbon, or cellulosic fiber. Because Ingeo 3D700 has been designed for low shrinkage, there is an opportunity to use less reinforcing product and still achieve quality large-format parts, while maintaining the reliable printability of Ingeo PLA. If a specialty print requires additional reinforcement, then cellulose-based additives are easily compounded with Ingeo 3D700 creating a biobased compound alternative to high-cost petrochemical-based compounds such as carbon-fiber ABS.

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https://www.lucintel.com/functional-polymer-market.aspx

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