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Support material and applications thereof

  • US 10,232,529 B2
  • Filed: 11/16/2016
  • Issued: 03/19/2019
  • Est. Priority Date: 02/23/2011
  • Status: Active Grant
First Claim
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1. A method of printing a three dimensional article comprising:

  • selectively depositing layers of a fluid build material to form the three-dimensional article on a substrate; and

    supporting at least one of the layers of the build material with a support material, the support material comprising;

    a wax component comprising at least one ethoxylated fatty alcohol;

    a viscosity modifying component; and

    a phase change agent operable to accelerate the freezing of the support material when the support material is deposited in a three-dimensional printing system,wherein the phase change agent comprises a urethane wax that freezes or solidifies over a range of 1°

    C. to 3°

    C., andwherein the support material is water dispersible following deposition of the support material in the three-dimensional printing system.

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