Plasticized mixture and method for stiffening
First Claim
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1. A method for making a stable extruded shape of ceramic material comprising:
- forming a plasticized ceramic powder mixture comprising inorganic powder, organic binder, radiation-curable monomer, photoinitiator and water;
extruding the plasticized powder mixture to provide an extruded shape; and
applying electromagnetic energy to the surface of the extruded shape to initiate curing of the monomer.
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Abstract
A plasticized ceramic-forming mixture and a method for stiffening the mixture, the mixture comprising a combination of inorganic powder, one or more plasticizing organic binders, a radiation-curable monomer, a photoinitiator, and water, and the method comprising stiffening the surfaces of extruded shapes of the mixture by applying electromagnetic energy to the surfaces following extrusion.
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Citations
14 Claims
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1. A method for making a stable extruded shape of ceramic material comprising:
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forming a plasticized ceramic powder mixture comprising inorganic powder, organic binder, radiation-curable monomer, photoinitiator and water; extruding the plasticized powder mixture to provide an extruded shape; and applying electromagnetic energy to the surface of the extruded shape to initiate curing of the monomer. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for forming a ceramic article, comprising:
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extruding a wet plasticized ceramic powder mixture comprising inorganic powder, plasticizing organic binder, radiation-curable monomer, photoinitiator and water to provide an extruded preform for the article; applying electromagnetic energy to the surface of the extruded preform to stiffen the surface thereof; and drying and firing the extruded preform to produce a sintered ceramic article.
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8. A plasticized ceramic powder mixture for forming a ceramic article comprising:
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at least one inorganic powder; at least one organic binder; at least one radiation-curable monomer; at least one photoinitiator; and water. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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Specification