Three dimensional printing material system and method using peroxide cure
First Claim
Patent Images
1. A powder material system for three dimensional printing comprising:
- a dry particulate material comprising;
an insoluble filler,a soluble filler, anda transition metal catalyst,wherein the dry particulate material is suitable for use in three dimensional printing to form an article comprised of a plurality of layers, the layers including a reaction product of the particulate material and a non-aqueous fluid that contacts the particulate material during three dimensional printing, the insoluble filler is insoluble in the non-aqueous fluid, the soluble filler is soluble in the non-aqueous fluid, and an internal angle of friction of the particulate material has a value selected from a range of 40°
to 70°
.
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Abstract
A materials system and methods are provided to enable the formation of articles by Three Dimensional Printing. The materials system includes a transition metal catalyst that facilitates the reaction of an acrylate-containing binder with a particulate material.
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Citations
7 Claims
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1. A powder material system for three dimensional printing comprising:
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a dry particulate material comprising; an insoluble filler, a soluble filler, and a transition metal catalyst, wherein the dry particulate material is suitable for use in three dimensional printing to form an article comprised of a plurality of layers, the layers including a reaction product of the particulate material and a non-aqueous fluid that contacts the particulate material during three dimensional printing, the insoluble filler is insoluble in the non-aqueous fluid, the soluble filler is soluble in the non-aqueous fluid, and an internal angle of friction of the particulate material has a value selected from a range of 40°
to 70°
.
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2. A powder material system for three dimensional printing comprising:
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a dry particulate material comprising; an insoluble filler, a soluble filler, and a transition metal catalyst, wherein the dry particulate material is suitable for use in three dimensional printing to form an article comprised of a plurality of layers, the layers including a reaction product of the particulate material and a non-aqueous fluid that contacts the particulate material during three dimensional printing, the insoluble filler is insoluble in the non-aqueous fluid, the soluble filler is soluble in the non-aqueous fluid, and a critical surface tension of the particulate material is greater than 20 dynes/cm.
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3. A powder material system for three dimensional printing comprising:
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a dry particulate material comprising; an insoluble filler, a soluble filler, and a transition metal catalyst, wherein the dry particulate material is suitable for use in three dimensional printing to form an article comprised of a plurality of layers, the layers including a reaction product of the particulate material and a non-aqueous fluid that contacts the particulate material during three dimensional printing, the insoluble filler is insoluble in the non-aqueous fluid, the soluble filler is soluble in the non-aqueous fluid, and the particulate material comprises about 50%-90% by weight of the insoluble filler, about 10-50% by weight of the soluble filler, and about 0.01-0.5% by weight of the transition metal catalyst.
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4. A powder material system for three dimensional printing comprising:
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a dry particulate material comprising; an insoluble filler, a soluble filler selected from the group consisting of methyl methacrylate polymers, ethyl methacrylate polymers, butyl methacrylate polymers, polyvinylbutyral, and combinations thereof, and a transition metal catalyst, wherein the dry particulate material is suitable for use in three dimensional printing to form an article comprised of a plurality of layers, the layers including a reaction product of the particulate material and a non-aqueous fluid that contacts the particulate material during three dimensional printing, the insoluble filler is insoluble in the non-aqueous fluid, the soluble filler is soluble in the non-aqueous fluid, and the soluble filler has a weight-average molecular weight selected from a range of 100,000 g/mol to 500,000 g/mol.
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5. A powder material system for three dimensional printing comprising:
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a dry particulate material comprising; an insoluble filler, a soluble filler, and a transition metal catalyst, and a pigment, wherein the dry particulate material is suitable for use in three dimensional printing to form an article comprised of a plurality of layers, the layers including a reaction product of the particulate material and a non-aqueous fluid that contacts the particulate material during three dimensional printing, the insoluble filler is insoluble in the non-aqueous fluid, and the soluble filler is soluble in the non-aqueous fluid. - View Dependent Claims (6, 7)
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Specification