Resin Ink Composition Using Susceptor Heating for Low-Heat Printing
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Solution Overview
Problem
Existing resin-containing ink compositions require high-temperature oven environments or open flames for application, which can damage substrates and necessitate pollution control devices to manage solvent emissions, and lack compatibility with various substrates.
Innovation Solution
Ink compositions utilizing electromagnetic susceptor particles that heat upon exposure to electromagnetic energy, allowing localized melting or curing of thermoplastic or thermosetting resin particles without high-temperature exposure, and customizable vehicles tailored to specific substrates and printing methods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If high-temperature oven environments or open flames are used for resin application, then resin melting and consolidation are achieved, but substrate damage occurs and pollution control devices are required
Solution Approach 1:
The patent introduces electromagnetic susceptor particles as an intermediary substance within the ink composition. These particles absorb electromagnetic energy and convert it to heat locally, enabling resin melting without exposing the entire substrate to high temperatures. This mediator allows selective heating only where needed, avoiding substrate damage and reducing pollution from high-temperature processing
Solution Approach 2:
The patent replaces the conventional thermal conduction heating system (ovens and flames) with an electromagnetic heating system. By using electromagnetic energy to directly heat susceptor particles within the ink, the system eliminates the need for high-temperature environmental heating, thereby preventing substrate damage and reducing the need for pollution control infrastructure
2Adaptability or versatility
If conventional ink compositions are used, then printing on substrates is possible, but compatibility with various substrates is limited
Solution Approach 1:
The patent creates a universal ink composition system that can adapt to multiple substrate types through the use of electromagnetic susceptor particles. The susceptor-containing ink can be heated effectively on various substrates (metal, plastic, glass) without requiring substrate-specific formulation changes, achieving both broad compatibility and reliable adhesion across diverse materials
Solution Approach 2:
The patent enables control of heating parameters through electromagnetic energy absorption characteristics of the susceptor particles. By adjusting electromagnetic energy frequency, power, and exposure time, the system can optimize heating conditions for different substrate types while maintaining consistent ink performance and adhesion quality across various materials
3Object-affected harmful factors
If electromagnetic susceptor particles are used for localized heating, then substrate exposure to harsh conditions is avoided, but additional components are required in the ink composition
Solution Approach 1:
The patent merges the heating function directly into the ink composition by incorporating electromagnetic susceptor particles within the ink itself. This integration eliminates the need for separate heating apparatus and simplifies the overall system, as the ink becomes self-heating through electromagnetic energy absorption, reducing equipment complexity while protecting substrates from harsh conditions
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
Enables substrate printing with high structural integrity and aesthetic appeal without exposing substrates to harsh conditions, promoting compatibility and flexibility across diverse materials.
Implementation Method 1
Particular compositions utilize electromagnetic susceptor particles that, upon being subjected to electromagnetic energy of the appropriate wavelength (e.g., radiofrequency (RF) energy or microwave energy), heat these particles to cause localized heating within the composition
Implementation Method 2
This can, in turn, result in melting and consolidation of resin particles of the composition
Implementation Method 3
the resin particles may be cured by subjecting the composition (or areas of the substrate where the composition has been applied) to heat and/or actinic radiation that initiates a cross-linking reaction
Implementation Method 4
to provide a resin-printed substrate such as a container (e.g., plastic cooler), having the consolidated resin, for example in the form of lettering or a decoration, affixed with a high degree of structural integrity
Data Source
AI summary
Ink compositions are disclosed that can be applied to, and resin components thereof adhered onto, a variety of substrates. Particular compositions utilize electromagnetic susceptor particles that, upon being subjected to electromagnetic energy of the appropriate wavelength (e.g., radiofrequency (RF) energy or microwave energy), heat thermoplastic resin particles of the composition cause localized heating. This can, in turn, result in melting and consolidation of thermoplastic resin particles onto a substrate. Direct heating may also be used to cause consolidation. Other compositions, comprising thermosetting resin particles, can be cured onto a substrate by exposure to actinic radiation, heat, moisture, or a combination of these. The ink compositions can be applied according to a variety of possible methods, including inkjet printing, intaglio printing, silk screen printing, stencil printing, painting, etc. Further flexibility resides in the possible use of a transfer medium (e.g., transfer film) onto which the ink composition is printed, for indirect application to the substrate.