Compositions and methods for use in three dimensional model printing
First Claim
1. A radiation curing composition suitable for building a three dimensional object by a solid freeform method, the composition comprising:
- one or more mono-functional monomers where a respective polymer has a Glass Transition Temperature higher than about 60°
C.; and
one or more di-functional oligomers where a respective polymer has a Glass Transition Temperature lower than about 40°
C.,wherein functional groups are meth(acrylic), the composition has a viscosity of about 50-500 cps at ambient temperature, the concentration of said one or more mono-functional monomers is at least 30% by weight relative to the total weight of the composition and the concentration of said one or more di-functional oligomers is at least 20% by weight relative to the total weight of the composition.
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Abstract
A radiation curing composition suitable for building a three-dimensional object by a solid freeform method is disclosed. The composition includes one or more mono-functional monomers where a respective polymer has a Glass Transition Temperature higher than about 60° C. and one or more di-functional oligomers where a respective polymer has a Glass Transition Temperature lower than about 40° C. The functional groups of the components may include meth(acrylic) and the composition has a viscosity of about 50-500 cps at ambient temperature. Further, the concentration of the mono-functional monomer may be at least 30% by weight and the concentration of the di-functional oligomer may be at least 20% by weight.
122 Citations
20 Claims
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1. A radiation curing composition suitable for building a three dimensional object by a solid freeform method, the composition comprising:
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one or more mono-functional monomers where a respective polymer has a Glass Transition Temperature higher than about 60°
C.; andone or more di-functional oligomers where a respective polymer has a Glass Transition Temperature lower than about 40°
C.,wherein functional groups are meth(acrylic), the composition has a viscosity of about 50-500 cps at ambient temperature, the concentration of said one or more mono-functional monomers is at least 30% by weight relative to the total weight of the composition and the concentration of said one or more di-functional oligomers is at least 20% by weight relative to the total weight of the composition. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification