10-03-2016 дата публикации
Номер: US20160066601A1
Принадлежит:
The present invention relates to an edible 3D printer filament that incorporates an active ingredient such as an oil extract for taste, odor or medicinal benefit, and which is capable of retaining this benefit, despite the repeated thermal extrusion involved in 3D printing. The filament is made by mixing the active ingredient extraction with polyvinylpyrrolidone (PVP), starch, and super disintegrant, and spray drying the result to a powderized form. The powderized water soluble polymer with active ingredient is mixed with excipient ingredients including a plasticizer, colored/dyed arabic gum, a gelling agent, fillers, flour, a binding or thickening agent (which also gives the benefit of being, a stabilizer), a lubricant, and a preservative, and is heated. The result is hot melt extruded into a filament with a diameter of 1.75 mm or 3 mm. When printed, the thermoplastic has good strength, stiffness, and physical properties, and can be 3D-printed in any shape. 1. A method for producing an edible filament for use in a conventional 3D printer , comprising the steps of: obtaining dried plant material,', 'performing an extraction on said plant material to produce an essential oil (active ingredient) therefrom;, 'producing an essential oil by the substeps of'} active ingredient,', 'polyvinylpyrrolidone (PVP),', 'starch, and', 'a super disintegrant;, 'preparing a water soluble polymer compound by mixing;'}spray drying said water soluble polymer compound;mixing and heating said powderized water soluble polymer compound with a plasticizer, colored arabic gum, a gelling agent, filler, flour, a binding or thickening agent, a lubricant, and a preservative, thereby forming an edible thermoplastic;hot-melt extruding said edible thermoplastic through a die to produce a filament; andwinding said filament on a spool.2. The method of claim 1 , wherein said step of hot-melt extruding said edible thermoplastic comprises extruding through a die having a 1.75 mm diameter.3. The method of ...
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