Ester Resin Ink Adhesion and Scratch Resistance
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Solution Overview
Problem
Existing phase change inks for inkjet printing suffer from poor adhesion to coated paper substrates, leading to scratch-resistance issues, image robustness problems, and compatibility challenges with common colorants, while also lacking biodegradability and sustainability.
Innovation Solution
The development of ester resin compositions, such as Abitol E ester resins, which are biodegradable and derived from renewable resources, offering improved adhesion, scratch-resistance, and compatibility with common colorants, and are designed to exhibit sharp phase transitions for enhanced printing performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If conventional phase change inks are used, then the ink remains solid at room temperature enabling easy handling and storage, but the ink exhibits poor adhesion to coated paper substrates leading to scratch-resistance issues and image robustness problems
Solution Approach 1:
The patent modifies the chemical composition parameters of the phase change ink by incorporating specific resin materials and additives that enhance adhesion properties while preserving the phase change characteristics. The formulation adjusts the balance between solid-phase stability and substrate bonding capability through controlled composition ratios.
Solution Approach 2:
The invention creates a composite ink formulation that combines phase change materials with adhesion-promoting resins and compatibility modifiers. This composite structure enables the ink to simultaneously achieve strong adhesion to coated paper, good scratch-resistance, and maintained phase change behavior for reliable printing operation.
2Reliability
If conventional phase change inks are used, then the ink provides adequate printing performance, but the ink shows poor compatibility with common colorants and lacks biodegradability
Solution Approach 1:
The patent modifies the chemical parameters of the ink vehicle to improve compatibility with a broader range of colorants while maintaining phase change printing reliability. The formulation incorporates biodegradable components and adjusts molecular structure parameters to enhance versatility without sacrificing core printing performance.
Solution Approach 2:
The invention replaces conventional non-biodegradable ink components with biodegradable alternatives, enabling environmentally sustainable ink formulations that can be safely disposed of or recovered. This substitution maintains printing reliability while significantly improving environmental compatibility and versatility.
3Strength
If the ink is formulated for strong adhesion, then scratch-resistance improves, but the complexity of ink formulation increases
Solution Approach 1:
The patent combines multiple functions into a unified ink formulation system where adhesion promoters, phase change materials, and compatibility agents work synergistically. This merging approach achieves strong scratch-resistance and good colorant compatibility through a coordinated formulation rather than separate additive systems, thereby managing complexity.
4Manufacturing precision
If the ink is designed for immediate solidification upon contact with substrate, then migration prevention and image quality improve, but the adhesion strength and scratch-resistance are reduced
Solution Approach 1:
The patent incorporates adhesion-promoting components that are pre-integrated into the ink formulation, enabling the ink to rapidly solidify upon substrate contact while simultaneously establishing strong adhesive bonds. This preliminary incorporation of adhesion functionality ensures that the quick-solidification mechanism does not compromise bonding strength or scratch-resistance.
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 ester resin compositions provide improved adhesion, scratch-resistance, and image robustness, ensuring stable performance on coated paper substrates and compatibility with common colorants, while being biodegradable and environmentally sustainable.
Implementation Method 1
Phase change inks often contain a 'phase-change agent' that enables the ink to exist in a solid phase at ambient temperatures, but also exist in the liquid phase at the elevated operating temperature of an ink jet printing device. At the deposit operating temperature, droplets of liquid ink are ejected from the printing device and, as the ink is jetted towards or contacts the surface of the recording substrate, either directly or via an intermediate heated transfer belt or drum, the ink rapidly solidifies onto the substrate to form a predetermined pattern of solidified ink marks.
Data Source
AI summary
A composition including one or more ester resins useful for various applications is disclosed. For example, the composition including one or more ester resins may function as a component that is incorporated into an ink composition.