Treatment solution for inkjet textile printing, method for inkjet textile printing, and inkjet textile printed product
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Solution Overview
Problem
Conventional inkjet textile printing methods result in insufficient image clarity, whiteness, durability, and washing fastness, along with the appearance of remaining marks on fabrics due to the use of treatment solutions that impair the fabric's drape and image quality.
Innovation Solution
A pre-treatment solution containing a water-soluble polyvalent metal salt, a nonionic resin emulsion with a glass transition temperature of 0°C or lower, and an aqueous medium is applied to the fabric, followed by printing with white and non-white ink compositions, and subsequent heating to enhance image density, whiteness, and durability without causing remaining marks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a conventional treatment solution containing a cationic compound such as a water-soluble polyvalent metal ion and a cationic resin is used, then the image clarity is improved, but remaining marks appear on the fabric and the drape is impaired
Solution Approach 1:
The patent changes the chemical parameters of the treatment solution by replacing cationic compounds with a specific composition containing a polyol, a carboxylic acid or its salt, and a surfactant. This parameter change eliminates remaining marks while maintaining image clarity, resolving the contradiction between image quality and fabric cleanliness.
Solution Approach 2:
The treatment solution uses a composite formulation combining polyol, carboxylic acid/salt, and surfactant in specific proportions. This composite material approach creates synergistic effects that prevent remaining marks without compromising image clarity, addressing both requirements simultaneously.
2Manufacturing precision
If a conventional treatment solution is used, then the image density is improved, but the drape of the fabric is impaired
Solution Approach 1:
The patent modifies the treatment solution composition by using polyol-based formulations with controlled viscosity and flexibility parameters. These parameter changes allow the treatment to maintain high image density while preserving fabric drape through the flexible polyol matrix that doesn't rigidify the fabric.
3Manufacturing precision
If a conventional treatment solution is used, then the image sharpness is improved, but the durability and washing fastness of the ink coat are insufficient
Solution Approach 1:
The treatment solution employs a composite system of polyol, carboxylic acid/salt, and surfactant that creates enhanced adhesion between ink and fabric. This composite formulation improves both image sharpness and durability/washing fastness by forming a flexible bonding matrix that holds ink particles firmly while allowing sharp image definition.
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 achieves high image density, excellent washing fastness, and improved fabric drape while minimizing remaining marks, resulting in a textile product with enhanced durability and clear image quality.
Implementation Method 1
a pre-treatment solution that contains a water-soluble polyvalent metal salt, a nonionic resin emulsion having a glass transition temperature of 0°C or lower, and an aqueous medium is applied to a fabric
Implementation Method 2
a nonionic resin emulsion having a glass transition temperature of 0°C or lower
Implementation Method 3
subsequent heating to enhance image density, whiteness, and durability
Implementation Method 4
heating the fabric with the pre-treatment solution provided thereon; printing, on the region with the pre-treatment solution provided thereon
Data Source
AI summary
The present invention has its object to provide a treatment solution for inkjet textile printing that causes few remaining marks even when applied to a fabric. The present invention relates to a treatment solution for inkjet textile printing, the treatment solution comprising at least:1) a water-soluble polyvalent metal salt; 2) at least one resin component selected from the group consisting of a nonionic resin emulsion, an anionic resin emulsion, and a carboxymethyl cellulose; 3) at least one surfactant component selected from the group consisting of a nonionic surfactant, an anionic surfactant, and an amphoteric surfactant; and 4) an aqueous medium, the treatment solution being applied to a fabric before printing of an ink composition for inkjet textile printing.