Sublimation overprint
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Solution Overview
Problem
Traditional printing methods fail to produce high-quality prints on polyester blend fabrics without adversely impacting their performance characteristics, often resulting in muted or faded prints due to incompatibility with polyester blends.
Innovation Solution
Applying a polyurethane-based or non-polyurethane-based ink layer to a polyester blend fabric panel followed by sublimation dyeing, where the dye is absorbed by the fabric and ink layer to achieve distinct color saturations, enhancing aesthetic qualities without compromising the fabric's properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional printing methods are used on polyester blend fabrics, then the printing process is simple and compatible with traditional materials, but the print quality is muted or faded due to incompatibility with polyester blends
Solution Approach 1:
The patent introduces an ink layer as an intermediary substance between the polyester blend fabric and the sublimation dye. This ink layer acts as a mediator that enables the sublimation dye to adhere to and transfer onto the polyester blend fabric, which traditionally repels such dyes. The ink layer composition is specifically designed to be compatible with both the fabric and the dye, resolving the incompatibility issue.
Solution Approach 2:
The patent employs a composite approach by combining traditional ink-based printing with sublimation dyeing. The ink layer serves as a base layer that is subsequently combined with sublimation dye through heat transfer, creating a composite printing system that leverages the advantages of both methods to achieve high-quality prints on polyester blends.
2Manufacturing precision
If sublimation dyeing is applied directly to polyester blend fabric, then the dye penetrates the fabric well, but the print quality is reduced due to fabric composition limitations
Solution Approach 1:
The ink layer serves as a reliable intermediary that ensures consistent dye absorption. By providing a uniform surface layer that is specifically designed to interact with sublimation dye, the ink layer compensates for the variability in polyester blend composition, ensuring reliable and consistent dye transfer across different fabric batches.
Solution Approach 2:
The patent modifies the surface parameters of the fabric by applying an ink layer with specific chemical and physical properties. This changes the surface characteristics to be more receptive to sublimation dye, ensuring consistent absorption. The ink layer's composition and thickness are controlled parameters that optimize dye transfer reliability.
3Manufacturing precision
If an ink layer is applied followed by sublimation dyeing, then color saturation and aesthetic quality are improved, but the process complexity increases
Solution Approach 1:
The patent merges two printing techniques—ink-based direct printing and sublimation dyeing—into a single integrated process. The ink layer is applied first, then sublimation dye is transferred onto it through heat press. This combination allows both methods to work together synergistically, achieving superior color saturation and aesthetic quality while managing process complexity through integration.
Solution Approach 2:
The ink layer is applied as a preliminary action before sublimation dyeing. This preparatory step creates the ideal surface for subsequent dye transfer, ensuring optimal color saturation. By performing the ink application in advance, the process is organized in a logical sequence that manages complexity through structured workflow.
4Manufacturing precision
If multiple printing layers are applied to achieve better print quality, then aesthetic quality improves, but the fabric's moisture control and elasticity properties are compromised
Solution Approach 1:
The ink layer is applied as a thin film that provides the necessary printing functionality without creating a thick barrier. This thin film approach allows the fabric to maintain its inherent moisture control and elasticity properties while still achieving high aesthetic quality through the combined ink and sublimation dye effect.
Solution Approach 2:
The patent optimizes the ink layer parameters—specifically thickness and composition—to achieve the desired aesthetic quality while minimizing impact on fabric performance. By carefully controlling these parameters, the ink layer provides sufficient color saturation and visual appeal without creating a barrier that would interfere with the fabric's moisture management and elastic properties.
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
This method produces a high-quality print with varying color saturations, improving aesthetic qualities while maintaining the fabric's performance characteristics, such as moisture control and elasticity.
Implementation Method 1
sublimation dyeing, where the dye is absorbed by the fabric and ink layer
Implementation Method 2
the dye is absorbed by the fabric and ink layer to achieve distinct color saturations
Data Source
Figure 1~2
Figure 3A~4A
Figure 4B~5
AI summary
Aspects are directed to printing a garment and include a method having steps of providing a fabric panel containing polyester, applying an ink layer to a first area of the fabric panel, curing the ink layer, and applying a sublimation dye to the first area and a different second area of the fabric panel. Application of the sublimation dye causes the first area and the second area to have different color saturations. Other aspects include a garment with a fabric panel containing polyester that has a first surface with a first area and a different second area. The garment also includes an ink layer on the first surface and located at the first area and a sublimation dye absorbed by a portion of the fabric panel at the second area and on a surface of the ink layer at the first area.