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ACCELERATION OF STEREOLITHOGRAPHY

  • US 20160046072A1
  • Filed: 08/11/2015
  • Published: 02/18/2016
  • Est. Priority Date: 08/12/2014
  • Status: Active Grant
First Claim
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1. In a method of forming a three-dimensional object by bottom-up three-dimensional fabrication by irradiating a polymerizable liquid to produce the three-dimensional object, the improvement comprising:

  • (i) including a Lewis acid or an oxidizable tin salt in said polymerizable liquid in an amount effective to accelerate the formation of said three-dimensional object during said fabrication; and

    /or(ii) irradiating said three-dimensional object after said forming to further polymerize unpolymerized material remaining in the three-dimensional object.

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