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Solution Overview
Problem
Inkjet textile printing methods face challenges in achieving improved rubbing fastness while maintaining the texture and vibrant color of printed textiles, as the relationship between the structure and wear resistance of printed textiles treated with post-treatment liquids is not well understood, and the texture often deteriorates after image formation.
Innovation Solution
A printed textile is produced by applying a treatment agent containing a pigment, binder resin particles, and a silicone component, with a controlled permeation gradient of the silicone component from the front to the rear surface, ensuring a sufficient amount on the front surface for improved rubbing fastness and a smaller amount on the rear surface to maintain texture and absorbency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a post-treatment liquid containing silicone component is applied to improve rubbing fastness, then rubbing fastness is improved, but the texture of the printed textile deteriorates
Solution Approach 1:
The patent applies different amounts of silicone component to different locations: a larger amount on the front surface to improve rubbing fastness, and a smaller amount on the rear surface to maintain texture. This spatial differentiation of material distribution resolves the contradiction by optimizing each surface's properties according to its functional requirements.
Solution Approach 2:
The patent controls the concentration and distribution parameters of the silicone component within specific ranges (0.1-10 mass% on front surface, 0.01-1 mass% on rear surface) to achieve both improved rubbing fastness and maintained texture, resolving the contradiction through precise parameter optimization.
2Reliability
If a post-treatment liquid is applied to improve wear resistance, then wear resistance is improved, but the absorbency of the printing substrate deteriorates
Solution Approach 1:
The patent concentrates the silicone component primarily on the front surface where wear resistance is needed, while keeping the rear surface's absorbency intact by applying minimal silicone there. This localized application resolves the contradiction between wear resistance and absorbency.
3Reliability
If a treatment agent is applied to enhance rubbing fastness, then rubbing fastness is improved, but pigment permeation to the rear surface increases
Solution Approach 1:
The patent optimizes the silicone component concentration within specific ranges and controls the drying conditions (temperature 60-200°C, time 1-60 minutes) to prevent excessive pigment permeation while ensuring adequate rubbing fastness on the front surface.
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 method results in a printed textile with enhanced rubbing fastness and texture, particularly wet rubbing fastness, while retaining vibrant colors and minimizing pigment permeation to the rear surface.
Implementation Method 1
a controlled permeation gradient of the silicone component from the front to the rear surface, ensuring a sufficient amount on the front surface for improved rubbing fastness and a smaller amount on the rear surface to maintain texture and absorbency
Data Source
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AI summary
A printed textile includes a printing substrate and a treatment agent deposited on the printing substrate. The treatment agent contains a pigment, binder resin particles, and a silicone component. The silicone component is on a front surface and a rear surface of the printed textile. An amount of the silicone component on the rear surface is smaller than an amount of the silicone component on the front surface.