Ink Formulation for Non-Permeable Media Using Diethylene Glycol Diethyl Ether
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Solution Overview
Problem
Inkjet technologies face challenges in achieving image quality equivalent to offset printing on non-permeable media, such as coated paper and plastic, due to issues with beading and adhesion.
Innovation Solution
An ink formulation containing diethylene glycol diethyl ether, a urethane resin, and a siloxane compound, with specific proportions to enhance anti-beading properties and image attachability, is developed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional ink formulations are used on non-permeable media, then printing can be performed, but beading occurs and adhesion is poor
Solution Approach 1:
The patent modifies the chemical composition parameters of the ink by incorporating specific surfactants (ionic and nonionic types), resins, and solvents in controlled proportions. This changes the surface tension and wetting properties of the ink, enabling it to spread uniformly on non-permeable media without beading while maintaining strong adhesion.
Solution Approach 2:
The invention uses a composite ink formulation combining multiple components: ionic surfactants, nonionic surfactants, resins (acrylic, vinyl, polyester), and various solvents. This composite approach synergistically improves both anti-beading properties and adhesion to non-permeable substrates like coated paper and plastics.
2Reliability
If ink formulation is optimized for adhesion on non-permeable media, then attachability improves, but achieving offset printing quality remains difficult
Solution Approach 1:
The patent carefully controls multiple parameters including surfactant concentration (0.1-10% by mass), resin content (1-20% by mass), and solvent composition to achieve optimal balance between adhesion and image quality. This precise parameter optimization enables offset-printing-quality images on non-permeable media.
Solution Approach 2:
The composite ink system combines adhesion-promoting components (ionic surfactants, resins) with image-quality-enhancing components (nonionic surfactants for smoothness, specific solvents for gloss). This multi-functional composite formulation simultaneously achieves strong attachability and high image quality equivalent to offset printing.
3Object-affected harmful factors
If diethylene glycol diethyl ether proportion is increased to 6.0% or greater, then anti-beading property improves, but formulation complexity increases
Solution Approach 1:
The patent identifies diethylene glycol diethyl ether as a key component and optimizes its concentration to 6.0% or greater by mass. This specific parameter change effectively suppresses beading while the overall formulation complexity is managed through systematic integration of this component with other standard ink ingredients in defined proportions.
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 ink formulation improves image quality by reducing beading and enhancing adhesion on non-permeable media, resulting in higher gloss, scratch resistance, and improved attachability.
Implementation Method 1
diethylene glycol diethyl ether has a proportion of 6.0 percent or greater by mass of the total amount of the ink
Implementation Method 2
a urethane resin
Implementation Method 3
a siloxane compound
Data Source
AI summary
An ink contains a coloring material, a urethane resin, diethylene glycol diethyl ether, and a siloxane compound, wherein diethylene glycol diethyl ether has a proportion of 6.0 percent or greater by mass of the total amount of the ink.