Photo-curable compositions containing high refractive index monomers for use in 3d printing applications
AssigneeArkema France
InventorsYann STOLZ, Noemi FEILLEE
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Abstract
Disclosed are high refractive index monomers for ceramic/metal 3D printing applications. The compositions disclosed herein have a higher refractive index and thus better resolution and lower scattering of the light when employed in a composition to deposit ceramic or metallic particles. The disclosed compositions also include low refractive cross-linkers selected for their good thermal decomposition and reactivity to provide good cohesion during the 3D printing.
Claims27
A photo-curable composition for use in a composition suitable for three-dimensional printing, the photo-curable composition comprising:
- a. a monomer composition comprising at least one monomer having a refractive index of at least 1.49;
- b. a cross-linker;
- and
- c. a plasticizer.
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The photocurable composition according to 1, wherein the photocurable composition comprises
- from about 5 wt. % to about 40 wt. % based on the total weight of the photo-curable composition of monomer composition a);
- from about 20 wt. % to about 65 wt. % based on the total weight of the photo-curable composition of cross-linker b);
- and
- from about 20 wt. % to about 65 wt. % based on the total weight of the photo-curable composition of plasticizer c).
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Dependencies are inferred from the claim text.