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US 10,519,319 B2Granted
Three-dimensional printing methods and materials for making dental products
AssigneeNational Yang-Ming University
InventorsYuan-Min Lin, Hsuan Chen, Shyh-Yuan Lee, Pin-Ju Huang
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Abstract
The present invention provides a three-dimensional printing article for making dental products and the preparation method thereof, which comprises: Ethoxylated bisphenol A dimethacrylate, Diurethane dimethacrylate, Triethylene glycol dimethacrylate, and Diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide. It not only improves the present time-consuming and labor-intensive dental device making, but also can be used in mass production of dental devices.
Claims10
A three-dimensional printing article for making dental products, comprising a composition, wherein the composition comprises:
- an Ethoxylated bisphenol A dimethacrylate, a Diurethane dimethacrylate and a Triethylene glycol dimethacrylate with 20 to 80 wt %:0 to 75 wt %:0 to 10 wt % of the composition;
- a toner, wherein the toner consists of ferrihydrite (III) with 0.01 to 0.05 wt % of the composition, or iron trioxide with 0.001 to 0.005 wt % of the composition;
- and
- a photo-initiator, wherein the photo-initiator is with 0.01 to 10 wt % of the composition.
1 more element
Dependencies are inferred from the claim text.