Glass Particle Coating Extender for Ink Adhesion
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Solution Overview
Problem
Existing coating systems face challenges in reducing costs without compromising physical characteristics, as extenders like monomers, oligomers, or resins are often expensive and directly linked to adhesion and other physical properties.
Innovation Solution
A coating-extender composition comprising microsized glass particles with an adhesion-promoting compound, which can replace a portion of the varnish components, improving adhesion without affecting the ink's performance, and is formulated by dispersing the glass particles and adhesion-promoting compound in alcohol and evaporating the solvent to create a dry powder.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If expensive monomers, oligomers, or resins are used in the varnish to maintain adhesion and physical characteristics, then the coating performance is maintained, but the cost of the ink increases
Solution Approach 1:
The patent replaces expensive monomers, oligomers, or resins with inexpensive glass particles as the base extender material. The glass particles serve as a cost-effective substitute for costly varnish components while maintaining the necessary coating functions through the addition of adhesion-promoting compounds.
Solution Approach 2:
The patent creates a composite extender composition by combining glass particles with adhesion-promoting compounds. This composite structure allows the inexpensive glass base to provide cost reduction while the adhesion-promoting compound layer restores and maintains the bonding properties that would otherwise be provided by expensive resins.
2Quantity of substance
If inexpensive extenders are used to reduce cost, then the cost of the ink decreases, but the adhesion and physical characteristics of the coating are adversely impacted
Solution Approach 1:
The patent applies adhesion-promoting compounds specifically to the surface of the glass particles. This localized treatment ensures that only the interface between the extender and the substrate requires strong bonding, while the bulk of the extender material can remain inexpensive. The surface modification creates a functional gradient that addresses adhesion needs without requiring expensive materials throughout the entire extender composition.
Solution Approach 2:
The adhesion-promoting compound acts as an intermediary layer between the inexpensive glass particles and the substrate. This mediator enables bonding between the low-cost extender base and the surface, allowing the system to achieve good adhesion without relying on expensive resinous binders that would otherwise be needed to provide this bridging function.
3Quantity of substance
If glass particles are used as extenders, then cost is reduced and transparency is maintained, but adhesion may be compromised without surface treatment
Solution Approach 1:
The patent pre-coats the glass particles with adhesion-promoting compounds before incorporating them into the ink formulation. This preliminary surface treatment ensures that the particles are ready to provide bonding functionality immediately upon application, eliminating the need for additional adhesion-enhancing steps later in the coating process and allowing the use of inexpensive glass base material.
Solution Approach 2:
The patent modifies the surface properties of the glass particles by adding adhesion-promoting compounds, changing the chemical parameters of the particle surface. This parameter change transforms the glass particles from potentially poor adherents to effective bonding agents, allowing cost reduction through glass substitution without sacrificing adhesion performance.
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 composition provides excellent adhesion to various substrates, resistance to solvents and chemicals, and maintains the ink's performance characteristics, allowing for cost reduction while maintaining or improving physical properties.
Implementation Method 1
microsized glass particles having an adhesion-promoting compound adhered thereto
Implementation Method 2
The mixture is heated to a temperature of from about 100° F. to about 150° F. for a period of time sufficient to evaporate at least a portion of the alcohol from the mixture
Data Source
AI summary
A coating-extender and adhesion-promoting composition is provided that comprises a plurality of glass particles having an adhesion-promoting compound deposited thereon. Various coatings, especially inks, can be formulated with the coating-extender composition so as to reduce the coating's requirements of more expensive components such as monomers, oligomers, resins, and pigment.