Stereolithography method
First Claim
1. In a stereolithography method for building a three-dimensional article comprising the steps of patternwise curing successive layers of a bath of curable liquid resin formulation until the article has been completely built up, removing the article from the liquid resin bath and then post-curing the article, the improvement wherein the liquid resin is a thiol/nene formulation comprising:
- (a) a first compound having a plurality of norbornene groups thereon;
(b) a second compound having a plurality of thiol groups therein; and
(c) a free radical photoinitiator,the total functionality of the formulation being greater than 4.
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Accused Products
Abstract
An improved stereolithography method for building a three-dimensional article including the steps of patternwise curing successive layers of a bath of curable liquid resin formulation until the article has been completely built up, removing the article from the liquid resin bath and then post-curing the article, wherein the liquid resin is a "thiol/nene" formulation including:
(a) a first compound having a plurality of norbornene groups thereon;
(b) a second compound having a plurality of thiol groups therein; and
(c) a free radical photoinitiator,
the total functionality of the formulation being greater than 4.
69 Citations
11 Claims
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1. In a stereolithography method for building a three-dimensional article comprising the steps of patternwise curing successive layers of a bath of curable liquid resin formulation until the article has been completely built up, removing the article from the liquid resin bath and then post-curing the article, the improvement wherein the liquid resin is a thiol/nene formulation comprising:
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(a) a first compound having a plurality of norbornene groups thereon; (b) a second compound having a plurality of thiol groups therein; and (c) a free radical photoinitiator, the total functionality of the formulation being greater than 4. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification