Marking System Deactivating Ink Substrate
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Solution Overview
Problem
Conventional marking systems allow users to see or feel which areas of a substrate will develop color, making them less surprising and entertaining, and require expensive printing cylinders for artwork engraving, leading to high manufacturing costs.
Innovation Solution
A marking system using a substrate coated with a color-triggering developer and a deactivating ink composition, where the deactivating ink comprises a Lewis base and polyethylene glycol to prevent color development in non-designated areas, allowing for cost-effective manufacturing and hiding the color-developing areas from view and feel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a color-triggering developer coating is applied to the substrate, then color development occurs at the coated areas, but the user can see and/or feel which areas are coated, making the coloring experience less surprising
Solution Approach 1:
A transparent or translucent overlay layer is introduced as an intermediary between the color-triggering developer coating and the user. This overlay layer is applied to areas where color development should occur, hiding the underlying coating pattern from visual and tactile perception while still allowing the chemical reaction to proceed. The overlay acts as a mediator that decouples the functional information (where color develops) from the perceptual information (what the user sees and feels).
2Manufacturing precision
If artwork is engraved on an expensive printing cylinder, then high manufacturing precision is achieved, but the manufacturing cost increases significantly
Solution Approach 1:
The patent replaces expensive, durable printing cylinders with inexpensive, disposable printing plates. These plates can be easily manufactured and discarded after use, eliminating the need for costly engraving equipment and maintenance. The lower cost of the plates allows for more flexible artwork changes and reduces the capital investment required for manufacturing.
Solution Approach 2:
Instead of directly engraving the final artwork pattern onto a durable cylinder, the invention uses a copying process where the artwork is first created on a temporary plate, which then serves as a mold or stamp for applying the color-triggering developer coating. This copying approach allows for easier creation and modification of artwork patterns without requiring expensive engraving equipment.
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 system prevents unintended color development on surfaces, providing a more surprising and entertaining coloring experience while reducing manufacturing costs by using flexographic printing plates and ensuring the color-developing areas are not easily discernible.
Implementation Method 1
a first component that is capable of complexing with a Lewis acid
Implementation Method 2
a second component that inhibits penetration of a leuco dye intermediate into the substrate
Implementation Method 3
applying a marking composition comprising at least one color precursor to a surface of a substrate
Data Source
AI summary
A marking system comprises a substrate having a surface coated with a color-triggering developer and a deactivating ink composition; and a marking composition comprising at least one color precursor. At least one “non-color developing portion” of the surface is coated with both the color-triggering developer and the deactivating ink composition, and at least one “color-developing portion” of the surface is coated with the color-triggering developer and is not coated with the deactivating ink composition. Color development occurs at the color-developing portion(s) and does not occur at the non-color developing portion(s) upon application of the marking composition to the surface of the substrate.