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<p>Traditional investment casting processes have several steps, including wax mold forming, wax injection, and model assembly. This manuscript describes water-soluble resins for 3D printing as an alternative to the complex process of forming wax models. The method utilizes liquid crystal display (LCD) 3D printing to rapidly generate detailed models from computer-aided designs (CAD). The 3D printed water-soluble structure can be cast into ceramic molds, followed by dissolution in an energy-efficient manner. A water-soluble resin solution includes dimethylacrylamide (DMAA) and 4-acyloylmorpholine (ACMO) to optimize properties of the printed structure. When printed via LCD, the resultant structures exhibit superb dimensional accuracy and mechanical strength. The newly designed water-soluble resins can facilitate investment casting and enable easy removal through water dissolution.</p>

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Water-soluble 3D printing resin from dimethylacrylamide and 4-acryloylmorpholine monomers

  • 期刊论文

  • 发表日期：

    2026年3月6日

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  • Yu-Wei Kang,
  • Po-Tang Chen,
  • Chih-Kuang Wang,
  • Kevin Chiou

摘要

Traditional investment casting processes have several steps, including wax mold forming, wax injection, and model assembly. This manuscript describes water-soluble resins for 3D printing as an alternative to the complex process of forming wax models. The method utilizes liquid crystal display (LCD) 3D printing to rapidly generate detailed models from computer-aided designs (CAD). The 3D printed water-soluble structure can be cast into ceramic molds, followed by dissolution in an energy-efficient manner. A water-soluble resin solution includes dimethylacrylamide (DMAA) and 4-acyloylmorpholine (ACMO) to optimize properties of the printed structure. When printed via LCD, the resultant structures exhibit superb dimensional accuracy and mechanical strength. The newly designed water-soluble resins can facilitate investment casting and enable easy removal through water dissolution.