Three-Dimensional Printing Processes Using 1,1-Di-Activated Vinyl Compounds
AssigneePPG Industries Ohio, Inc.
InventorsKurt G. Olson, Aditya Gottumukkala, Cynthia Kutchko
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Abstract
A process for producing an article by three-dimensional printing includes applying a 1,1-di-activated vinyl compound-containing liquid binder over a predetermined area of a layer of solid particles. The liquid binder infiltrates gaps between the solid particles to form a first cross-sectional layer of an article, and the 1,1-di-activated vinyl compound reacts to solidify the liquid binder and bind the solid particles in the first cross-sectional layer of the article. Also provided is an article produced by the three-dimensional printing process, set forth herein.
Claims45
A process for producing an article by three-dimensional printing, the process comprising:
- positioning a layer of solid particles in a planar bed;
- applying a liquid binder over a predetermined area of the layer of solid particles, the liquid binder comprising a 1,1-di-activated vinyl compound, or a multifunctional form thereof, or a combination thereof;
- infiltrating gaps between the solid particles with the liquid binder in the predetermined area of the layer of solid particles to form a first cross-sectional layer of an article;
- and
- reacting the 1,1-di-activated vinyl compound, or multifunctional form thereof, or combination thereof, thereby solidifying the liquid binder and binding the solid particles in the first cross-sectional layer of the article.
A three-dimensional article comprising:
- a plurality of cross-sectional layers bonded together, each cross-sectional layer comprising:
- a solid binder comprising a reaction product of a 1,1-di-activated vinyl compound, or a multifunctional form thereof, or a combination thereof;
- and
- a plurality of solid particles in the solid binder.
Dependencies are inferred from the claim text.