UV Heat-Activated Inkjet Laminating Adhesive for Rigid Media
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Solution Overview
Problem
Traditional heat-activated adhesives used in laminating systems require extensive setup times and investments, often involving harsh chemicals, making them costly and environmentally hazardous, especially for shorter print runs and luxury vinyl tile (LVT) applications.
Innovation Solution
The use of ultraviolet (UV) heat-activated laminating adhesives applied via an inkjet printing process, which includes a system with inkjet mechanisms for depositing ink and adhesive, UV light sources for curing, and stainless steel plates for applying heat and pressure, allowing for direct digital printing and thermal lamination of films onto rigid media.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional heat-activated adhesives are used with analog printing methods, then strong bonding capability is achieved, but extensive setup time and high costs are required
Solution Approach 1:
The patent replaces traditional mechanical analog printing systems (flexo, rotogravure, offset) with a digital inkjet printing system. This substitution eliminates the need for physical printing plates and cylinders, allowing for rapid digital file-to-print workflows that significantly reduce setup time while maintaining the ability to apply heat-activated adhesives effectively for bonding.
Solution Approach 2:
The patent modifies the adhesive formulation to be compatible with digital inkjet printing technology. By changing the chemical parameters of the adhesive (making it inkjet-compatible), the system achieves both rapid digital application and effective heat-activated bonding, resolving the contradiction between setup time and bonding capability.
2Reliability
If traditional rotogravure printing is used for LVT production, then consistent quality is achieved, but significant investment in equipment is required
Solution Approach 1:
The patent replaces complex mechanical rotogravure printing equipment with a digital inkjet printing system. This substitution eliminates the need for expensive gravure cylinders, sleeves, and plates while achieving consistent quality through digital precision and computer-controlled deposition, thereby reducing equipment investment for LVT production.
3Productivity
If traditional analog printing methods are used, then high production volume is achieved, but harsh chemicals and environmental hazards are required
Solution Approach 1:
The patent changes the chemical composition of the adhesive system to be compatible with digital inkjet printing. This formulation change eliminates or reduces the need for harsh solvents and chemicals traditionally required in analog printing, thereby reducing environmental hazards while maintaining production capability through efficient digital printing and curing processes.
4Adaptability or versatility
If traditional printing systems are used for short runs, then flexibility is achieved, but cost prohibitive setup is required
Solution Approach 1:
The patent replaces mechanical printing systems that require physical plate and cylinder setup with a digital inkjet printing system. This substitution enables economical short-run production because digital printing requires no physical setup - designs can be changed instantly by updating digital files, making short runs cost-effective while maintaining flexibility.
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
This solution reduces setup times and costs, eliminates the need for harsh chemicals, and provides flexibility for short runs and one-offs, while achieving the required bond and peel strengths for LVT and related markets.
Implementation Method 1
A UV light source of the laminating system is used to cure the laminating adhesive
Implementation Method 2
The pair of stainless steel plates of the laminating system apply heat to the laminating adhesive
Implementation Method 3
The pair of stainless steel plates of the laminating system apply pressure to the overlay film layer, the laminating adhesive, and the rigid medium to laminate the overlay film layer
Data Source
AI summary
Apparatus, compositions, and systems for ultraviolet (UV) heat-activated laminating adhesives applied via an inkjet printing process are disclosed. A system includes a first inkjet mechanism configured to deposit ink in a particular pattern onto a surface of a rigid medium. A second inkjet mechanism is configured to deposit a laminating adhesive onto the particular pattern printed on the surface of the rigid medium. A pair of stainless steel plates is configured to receive an overlay film layer and the laminating adhesive deposited onto the particular pattern printed on the surface of the rigid medium. The overlay film layer is positioned such that a surface of the overlay film layer faces the laminating adhesive. Pressure and heat are applied to the overlay film layer and the laminating adhesive to laminate the particular pattern printed on the surface of the rigid medium.