Three dimensional printing material system and method
First Claim
Patent Images
1. A three dimensional printing composition, comprising:
- a dry, loose, free-flowing particulate material including;
about 10% to about 50% by weight of a particulate water-soluble adhesive material;
0% to about 20% by weight of a first fibrous component;
semihydrate of calcium sulfate;
an accelerator; and
a filler,further characterized by absence of a retardantwherein the particulate material comprises particles having a mean diameter of about 10 microns to about 100 microns, and 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 aqueous fluid that contacts the particulate material during three dimensional printing, the particulate material being capable of supporting the article during three dimensional printing and suitable for being spread in a layer of dry particles having a thickness selected from a range of about 12 to about 125 microns.
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Abstract
The present invention is directed to a 3DP™ material composition and method of use. The composition of the present invention includes an adhesive material, a fibrous component and a filler. Alternatively, the composition may include a particulate material having a mean particle size between about 10 microns and about 300 microns, a soluble adhesive material. The compositions may also include an accelerator and an additional adhesive.
425 Citations
64 Claims
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1. A three dimensional printing composition, comprising:
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a dry, loose, free-flowing particulate material including; about 10% to about 50% by weight of a particulate water-soluble adhesive material; 0% to about 20% by weight of a first fibrous component; semihydrate of calcium sulfate; an accelerator; and a filler, further characterized by absence of a retardant wherein the particulate material comprises particles having a mean diameter of about 10 microns to about 100 microns, and 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 aqueous fluid that contacts the particulate material during three dimensional printing, the particulate material being capable of supporting the article during three dimensional printing and suitable for being spread in a layer of dry particles having a thickness selected from a range of about 12 to about 125 microns. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A three dimensional printing composition comprising:
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a dry, loose, free-flowing particulate material including; about 10% to about 50% by weight of an adhesive material; 0% to about 20% by weight of a first fibrous component; semihydrate of calcium sulfate; and 0% to about 80% by weight of a filler, wherein the adhesive material comprises a polyvinyl pyrrolidone copolymer with vinyl acetate, the adhesive material has an average particle grain size between about 10 and about 20 microns, the filler has a mean particle size between about 20 and about 200 microns, the particulate material comprises particles having a mean diameter of about 10 microns to about 100 microns, and 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 aqueous fluid that contacts the particulate material during three dimensional printing, the particulate material being capable of supporting the article during three dimensional printing and suitable for being spread in a layer of dry particles.
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32. A method of three dimensional printing, comprising:
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providing a first layer of a three dimensional printing composition including a dry, loose, free-flowing particulate material including about 10% to about 50% by weight of a particulate adhesive material, 0% to about 20% by weight of a first fibrous component, and a filler comprising plaster, the layer comprising dry particles and having a thickness selected from a range of about 12 to about 125 microns; delivering an aqueous fluid to a portion of the first particulate material layer; allowing the portion of the first particulate material layer to solidify; providing a second layer of the three dimensional printing composition including the particulate material; delivering the fluid to a portion of the second particulate material layer; and allowing the portion of the second particulate material layer to solidify, to form at least a portion of a solid article including a plurality of layers, wherein the particulate material is capable of supporting the article during three dimensional printing.
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33. A three dimensional printing composition, comprising:
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a dry, loose, free-flowing particulate material having a mean particle size between about 10 microns and about 300 microns, comprising plaster, an at least partially water soluble particulate adhesive material, and a printing aid, wherein the particulate adhesive material is up to about 50 percent, by weight, of the composition, and the 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 an aqueous fluid that contacts the particulate material during three dimensional printing, the particulate material being capable of supporting the article during three dimensional printing and suitable for being spread in a layer of dry particles having a thickness selected from a range of about 12 to about 125 microns. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42)
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43. A three dimensional printing composition, comprising:
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a dry, loose, free-flowing particulate material including; semihydrate of calcium sulfate; a first particulate adhesive that is partially hydrolyzed polyvinyl alcohol; a second particulate adhesive; and an accelerator, further characterized by absence of a retardant, wherein the particulate material comprises particles having a mean diameter of about 10 microns to about 100 microns, and 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 an aqueous fluid that contacts the particulate material during three dimensional printing, the particulate material being capable of supporting the article during three dimensional printing and suitable for being spread in a layer having a thickness selected from a range of about 12 to about 125 microns. - View Dependent Claims (44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54)
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55. A three dimensional printing composition comprising:
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a dry, loose, free-flowing particulate material including; semihydrate of calcium sulfate; a first particulate adhesive; a second particulate adhesive; and an accelerator, further characterized by absence of a retardant, wherein the first adhesive is Dextrin and the particulate material comprises particles having a mean diameter of about 10 microns to about 100 microns, and 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 an aqueous fluid that contacts the particulate material during three dimensional printing, the particulate material being capable of supporting the article during three dimensional printing and suitable for being spread in a layer of dry particles having a thickness selected from a range of about 12 microns to about 125 microns.
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56. A kit for three dimensional printing, comprising:
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a three dimensional printing composition; and an aqueous fluid comprising an accelerator, wherein the three dimensional printing composition comprises a dry, loose, free-flowing particulate material including plaster and a first particulate adhesive, the 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 the aqueous fluid that contacts the particulate material during three dimensional printing, the particulate material being capable of supporting the article during three dimensional printing and suitable for being spread in a layer of dry particles having a thickness selected from a range of about 12 to about 125 microns. - View Dependent Claims (57, 58)
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59. A kit comprising:
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a three dimensional printing composition; and an aqueous fluid comprising a humectant, wherein the three dimensional printing composition comprises a dry, loose, free-flowing particulate material including plaster and a first particulate adhesive, the 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 the aqueous fluid that contacts the particulate material during three dimensional printing, the particulate material being capable of supporting the article during three dimensional printing and suitable for being spread in a layer of dry particles having a thickness selected from a range of about 12 to about 125 microns.
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60. A kit comprising:
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a three dimensional printing composition; and an aqueous fluid comprising a flow rate enhancer, wherein the three dimensional printing composition comprises a dry, loose, free-flowing particulate material including plaster and a first particulate adhesive, the 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 the aqueous fluid that contacts the particulate material during three dimensional printing, the particulate material being capable of supporting the article during three dimensional printing and suitable for being spread in a layer of dry particles having a thickness selected from a range of about 12 to about 125 microns.
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61. A three dimensional printing composition, comprising:
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a dry, loose, free-flowing particulate material including; plaster, a particulate adhesive, an accelerator, a filler, and an oil, wherein the 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 an aqueous fluid that contacts the particulate material during three dimensional printing. - View Dependent Claims (62, 63, 64)
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Specification