Binder, adhesive and active filler system for three-dimensional printing of ceramics
US9856390B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 5, 2015 |
| Grant date | Jan 2, 2018 |
| Priority date | — |
| Expiry date | Dec 29, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2235/6026
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A powder for three-dimensional printing including a mixture of soluble adhesive; cement filler including magnesium oxide, and acid additive; and nonreactive ceramic filler. A kit includes a substantially nonaqueous liquid jetting fluid, and a solid powder mixture including soluble adhesive, magnesium oxide, an acid additive, and a nonreactive ceramic filler. A nonaqueous liquid jetting fluid includes up to 50 wt % cosolvents, and an acidic additive. A method for forming a three dimensional article includes providing a layer of a powder mixture including a soluble adhesive, magnesium oxide, an acid additive, and a nonreactive ceramic filler; and applying a substantially nonaqueous liquid jetting fluid including less than 50% water by weight to the powder mixture layer. A solid article formed by three-dimensional printing includes a solidified combination of a powder mixture including soluble adhesive, magnesium oxide, acid additive, and nonreactive ceramic filler; and a substantially nonaqueous liquid jetting fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.