Chocolate 3D Printing Ink Room Temperature Stability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing 3D food printing methods, such as hot-melt extrusion of chocolate, require precise temperature control within a narrow range, limiting the stability and self-supporting properties of printed objects.
Innovation Solution
A chocolate-based 3D printable ink composition incorporating cocoa powder at concentrations between 5 to 25 w/w % allows for printing at room temperature (20° C. to 30° C.) without phase change, utilizing shear-thinning behavior for easy extrusion and forming self-supporting layers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If hot-melt extrusion is used for 3D printing chocolate, then the chocolate can be patterned and formed into 3D structures, but precise temperature control within a narrow range is required and the printed objects have poor stability and self-supporting properties
Solution Approach 1:
The invention changes the temperature parameter from hot-melt conditions (requiring precise control in narrow range) to room temperature (20-30°C), eliminating the need for temperature control while maintaining printability through shear-thinning behavior
Solution Approach 2:
The invention creates a composite ink composition by combining chocolate-based material with cocoa powder at specific concentrations (5-25 w/w%), which provides both printability and structural stability without requiring temperature control
2Ease of operation
If hot-melt extrusion is used for 3D printing chocolate, then the chocolate can be dispensed through the nozzle, but the printed objects lack self-supporting properties and structural stability
Solution Approach 1:
The invention changes the rheological parameters of the chocolate by adding cocoa powder, creating shear-thinning behavior that enables easy extrusion at room temperature while maintaining structural integrity and self-supporting properties of the printed objects
Solution Approach 2:
The invention uses cocoa powder particles as a structural framework that copies and reinforces the printed structure, providing self-supporting properties without requiring thermal energy or complex support systems
3Temperature
If room temperature printing is used, then temperature control is eliminated, but the chocolate material cannot be extruded without phase change or heating
Solution Approach 1:
The invention modifies the rheological parameters of chocolate at room temperature by incorporating cocoa powder, creating shear-thinning behavior that allows the material to flow during extrusion and then maintain its shape without phase change or heating
Solution Approach 2:
The invention uses cocoa powder as an intermediary substance that mediates between the solid chocolate and the extrusion process, enabling the chocolate to be dispensed at room temperature through shear-thinning while maintaining structural stability
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables the creation of complex 3D chocolate models and multi-material food structures without temperature control, improving print fidelity and aesthetic quality, and is compatible with cold extrusion 3D printing technologies.
Implementation Method 1
utilizing shear-thinning behavior for easy extrusion
Implementation Method 2
remains in a single phase at a temperature ranging from 20° C. to 30° C.
Data Source
AI summary
An edible and 3D printable ink composition is disclosed herein, which includes a chocolate-based material including a chocolate syrup, a chocolate paste, or a combination thereof, and cocoa powder present in an amount ranging from 5 to 25 w/w %, wherein the edible and 3D printable ink composition is both printable and remains in a single phase at a temperature ranging from 20° C. to 30° C. A method of 3D printing the edible and 3D printable ink composition, and a system operable for printing the edible and 3D printable ink composition, are also disclosed herein.