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Self-hardening material and process for layerwise formation of models

  • US 9,643,360 B2
  • Filed: 08/06/2007
  • Issued: 05/09/2017
  • Est. Priority Date: 08/20/2006
  • Status: Active Grant
First Claim
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1. A self-hardening material for layerwise construction of three-dimensional components comprising:

  • (i) at least one particulate material;

    (ii) a bonding agent including a polymerizable monomer for bonding the particulate material; and

    (iii) a delayer for delaying a polymerization reaction;

    wherein the bonding agent is separate from the particulate material,wherein the particulate material includes polymethylmethacrylate, polyethylmethacrylate acrylonitrile butadiene styrene (i.e., ABS), polycarbonate-acrylonitrile butadiene styrene (i.e., PC-ABS), polyamide (i.e., PA), polybutylene terephthalate (i.e., PBT), a metal, glass, or carbon fiber,wherein the particulate material includes an initiator and is a loose material suitable for applying in a layerwise fashion,wherein the bonding agent is a printable liquid suitable for applying over the particulate material and is separate from the particulate material, andwherein a setting time of the material is greater than 20 times as long as an application time of a particulate layer.

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