Compositions for three-dimensional printing of solid objects
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Accused Products
Abstract
A three-dimensional printing materials system and method can produce both appearance models and small numbers of functional parts in an office environment. The method can include building cross-sectional portions of a three-dimensional article, and assembling the individual cross-sectional areas in a layer-wise fashion to form a final article. The individual cross-sectional areas can be built by using an ink-jet printhead to deliver an aqueous solvent or binder to an adhesive particulate mixture, causing the particles of the mixture to adhere together, and to previous cross-sectional areas. The binder can include at least one of nonaqueous organic monomeric compound, anionically ionizable polymer, cationic polymer, polymer, waterborne colloid, or inorganic solute.
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Citations
63 Claims
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1-40. -40. (canceled)
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41. A method for forming a solid object by three-dimensional printing, the method comprising the steps of:
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providing a chemical composition comprising a solvent; and
depositing the chemical composition through an electromechanical printhead onto a particulate material, wherein the chemical composition selectively adheres the particulate material to form the solid object. - View Dependent Claims (42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52)
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53. A method for forming a solid object by three-dimensional printing, the method comprising the steps of:
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providing a chemical composition comprising;
an adhesive; and
a fluid; and
depositing the chemical composition through an electromechanical printhead onto a particulate material, wherein the chemical composition selectively adheres the particulate material to form the solid object. - View Dependent Claims (54, 55, 56, 57, 58, 59, 60, 61)
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62. A method for forming a solid object by three-dimensional printing, the method comprising the steps of:
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providing a chemical composition comprising a colloid selected from the group consisting of polymethyl methacrylate, polystyrene, natural rubber, polyurethane, polyvinyl acetate, alkyd resins, colloidal alumina, clay, colloidal graphite, and combinations thereof; and
depositing the chemical composition through an electromechanical printhead onto a particulate material, wherein the chemical composition selectively adheres the particulate material to form the solid object.
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63. A method for forming a solid object by three-dimensional printing, the method comprising the steps of:
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providing a chemical composition comprising a nonaqueous liquid selected from the group consisting of a resin, an oil, and combinations thereof; and
depositing the chemical composition through an electromechanical printhead onto a particulate material, wherein the chemical composition selectively adheres particulate material to form the solid object.
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Specification