Radiation curable resin composition for making colored three dimensional objects
First Claim
1. A radiation curable resin composition suitable for making three dimensional objects comprising A) at least one epoxy compound B) a cationic photoinitiator, wherein the resin composition has a first color or no color before cure and wherein a three dimensional object made from the resin by subjecting the resin to radiation shows a second color which is different from the color of the resin composition before cure.
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Accused Products
Abstract
A radiation curable resin composition suitable for making three dimensional objects comprising at least one epoxy compound, a cationic photoinitiator, wherein the resin composition has a first color or no color before cure and wherein a three dimensional object made from the resin by subjecting the resin to radiation shows a second color which is different from the color of the resin composition before cure.
36 Citations
22 Claims
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1. A radiation curable resin composition suitable for making three dimensional objects comprising
A) at least one epoxy compound B) a cationic photoinitiator, wherein the resin composition has a first color or no color before cure and wherein a three dimensional object made from the resin by subjecting the resin to radiation shows a second color which is different from the color of the resin composition before cure.
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2. A radiation curable resin composition suitable for making three dimensional objects comprising
A) at least one epoxy compound B) a cationic photoinitiator and C) a latent coloring component, wherein the resin composition shows i an absorbance of visible light in the region between 400 and 650 nm of less than 0.3 measured on a sample having a thickness of 1 cm; - or
ii a L-value between 90 and 100 in the CIELAB L*a*b color space, measured on a 0.5 mm sample against a white Leneta card background. - View Dependent Claims (3, 10, 11)
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- 7. A radiation curable composition suitable for making three dimensional objects comprising a radiation curable component, a photoinitiator and a filler, wherein the resin composition has a first color or no color before cure and wherein a three dimensional object made from the resin by subjecting the resin to radiation shows a second color which is different from the color of the resin.
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19. A resin composition suitable for making three dimensional objects comprising
A) 30-80 wt % of at least one epoxy compound B) a cationic photoinitiator, C) a latent coloring component D) a (meth)acrylate component E) a radical photoinitiator F) a polyol wherein the resin composition has a first color or no color before cure and wherein a three dimensional object made from the resin by subjecting the resin to radiation shows a second color which is different from the color of the resin composition before cure.
Specification