Fabric print media
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Solution Overview
Problem
Digital printing on textiles faces challenges such as color dimming due to high absorptivity, color bleed from synthetic textiles, durability issues from poor ink interaction, and consumer demands for softness, good color adherence, and flame retardancy.
Innovation Solution
A fabric print medium comprising a treated fabric base substrate with a water-repellent agent, an adhesion promoting layer with a polymeric binder and physical networking component, and an image-receiving layer with a second polymeric binder and particulate filler, optionally including a protectant layer for enhanced durability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the fabric substrate is highly absorptive to enable ink penetration, then ink absorption is improved, but color intensity diminishes
Solution Approach 1:
The coating system is divided into multiple functional layers: a base layer applied directly to the fabric, and an overcoat layer applied subsequently. This segmentation allows the base layer to provide ink absorption and anchoring functions while the overcoat layer provides color intensity and protection, resolving the contradiction between ink penetration and color vividness
Solution Approach 2:
The base coating layer acts as an intermediary between the fabric substrate and the overcoat layer. It provides a controlled absorption interface that allows ink to penetrate sufficiently for adhesion while preventing excessive absorption that would diminish color intensity, thereby mediating the contradiction
2Reliability
If synthetic textiles are used to provide durability and softness, then fabric performance is improved, but color bleed occurs due to low ink absorption
Solution Approach 1:
The base coating layer is applied preliminarily to the synthetic fabric before the overcoat layer. This preliminary action creates a receptive surface that enhances ink absorption and adhesion on synthetic textiles, preventing color bleed while maintaining the fabric's inherent durability and softness
Solution Approach 2:
The coating system modifies the surface parameters of the synthetic fabric to improve ink interaction. The base layer changes the surface energy and absorption characteristics, enabling better ink anchoring and preventing color bleed without altering the bulk properties that provide durability
3Device complexity
If ink is applied directly to fabric to simplify the process, then manufacturing complexity is reduced, but ink adhesion and image durability deteriorate
Solution Approach 1:
The coating process is segmented into two distinct stages: applying a base layer first, then applying an overcoat layer. This segmentation improves ink adhesion and image durability by creating proper surface conditions at each stage, while the standardized two-step process keeps manufacturing complexity manageable
4Ease of operation
If the fabric is treated to be soft to meet consumer demands, then consumer satisfaction is improved, but ink adhesion may be compromised
Solution Approach 1:
The base coating layer is applied preliminarily to create an optimal surface for ink adhesion before the final color layers are applied. This preliminary surface preparation ensures strong ink anchoring on soft fabrics without compromising the fabric's hand feel or softness
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 improves ink adhesion, image quality, and durability while meeting consumer demands for softness and flame retardancy, ensuring vivid and long-lasting printed images on textiles.
Implementation Method 1
The treated fabric base substrate can include a fabric base substrate having a water proofing treatment including a water-repellant agent applied to the fabric base substrate
Implementation Method 2
The adhesion promoting layer can be applied to the treated fabric base substrate and can include a first polymeric binder and a physical networking component
Data Source
AI summary
The present disclosure is drawn to a fabric print medium. The fabric print medium can include a treated fabric base substrate, an adhesion promoting layer, and an image-receiving layer. The treated fabric base substrate can include a fabric base substrate having a water proofing treatment including a water-repellant agent applied thereto. The adhesion promoting layer can be applied to the treated fabric base substrate. The adhesion promoting layer can include a first polymeric binder and a physical networking component. The image-receiving layer can be applied to the adhesion promoting layer. The image-receiving layer can include a second polymeric binder and a particulate filler.