| abstract |
Provided herein is a method of making a transparent or translucent object by additive manufacturing, the method comprising (a) providing a transparent or translucent photopolymerizable resin comprising: (i) a photopolymerizable A monomer, a prepolymer, or a combination thereof; (ii) a photoinitiator; and (iii) a polysubstituted linear polyacene ultraviolet light absorbing compound, the compound is bromine, chlorine, -Se-R', -S- R' or a combination thereof is polysubstituted, wherein each R' is independently selected from alkyl, aryl, and arylalkyl; and then (b) producing a transparent from the photopolymerizable resin by stereolithography with ultraviolet light or translucent objects. |