Printable Glitter Paper Adhesion and Surface Smoothness
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Solution Overview
Problem
Existing printing papers with glitter suffer from inadequate adhesion, leading to glitter shedding during printing processes, compromising the smoothness and ink receptiveness of the surface, which results in reduced printing quality and potential machine damage.
Innovation Solution
A printable medium with a flat, flexible substrate coated with a first adhesive layer, followed by a layer of glitter flakes, and a second adhesive layer to securely trap the glitter, combined with a top coating of water, silica gel, glycerol, polyethylene, a drying agent, A20 Aluminum powder, a fixative, and a thickener to create a smooth, ink-receptive surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If glitter is coated on the substrate using prior art methods, then glitter adhesion is improved, but the smoothness and ink receptiveness of the surface deteriorates
Solution Approach 1:
The coating system is segmented into multiple distinct layers: a base coating containing glitter particles, an intermediate adhesive layer, and a top ink-receptive layer. This segmentation allows each layer to perform its specific function - the base layer provides glitter adhesion, the intermediate layer enhances bonding, and the top layer restores surface smoothness and ink receptiveness for high-quality printing.
2Illumination intensity
If glitter is coated on the substrate, then decorative effect is improved, but printing quality deteriorates due to compromised ink receptiveness
Solution Approach 1:
Different regions of the coating system have different local qualities optimized for specific functions. The base coating layer contains glitter particles for decorative effect, while the top layer has smooth, ink-receptive properties for printing quality. This local quality differentiation allows the substrate to simultaneously achieve both decorative sparkle and high-quality printability.
3Illumination intensity
If glitter is adhered to the substrate, then visual appeal is improved, but machine reliability deteriorates due to glitter shedding
Solution Approach 1:
The coating system uses composite materials with different functional properties. The base coating contains glitter particles embedded in an adhesive matrix, the intermediate layer uses polymer-based adhesives for strong bonding, and the top layer provides a protective, smooth surface. This composite structure ensures glitter remains firmly trapped while maintaining visual appeal and preventing shedding that could damage printing machines.
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
The solution ensures complete adhesion of glitter, maintaining a smooth surface for high-quality printing and preventing machine damage from glitter residue, suitable for various printing machines including indigo ink and ink jet printers.
Implementation Method 1
a first adhesive coating covering a portion of the front surface of the substrate. A plurality of glitter flakes are dispersed across substantially all of the first adhesive coating. A second adhesive coating covers substantially all of the first adhesive coating and glitter flakes
Implementation Method 2
Heat is applied to the substrate, first adhesive coating, and second adhesive coating
Implementation Method 3
a top coating of water, silica gel, glycerol, polyethylene, a drying agent, A20 Aluminum powder, a fixative, and a thickener to create a smooth, ink-receptive surface
Data Source
AI summary
A printable glitter paper includes a first adhesive layer onto which glitter has been deposited, and a second adhesive layer covering the first adhesive layer and glitter. A coating covers the second adhesive layer. Another adhesive layer covers the back side of the printable glitter paper. The printable glitter paper provides excellent retention of the glitter, and a high level of smoothness for high quality printing.