Transfer Lamination Film with Inline Breakaway Coating
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Solution Overview
Problem
Current transfer lamination processes are inefficient, requiring multiple steps and resulting in high manufacturing costs, limited reuse of transfer films, and environmental issues due to disposal and recycling challenges of polyethylene terephthalate-based films, which are difficult to remanufacture and recycle.
Innovation Solution
The method involves inline coating of a transfer film with a breakaway layer while it is bonded to a substrate, allowing for multiple reuses and eliminating the need for separate coating steps, using a system with bonding, coating, and curing stations to apply and remove the film, enabling cost savings and environmental benefits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a separate coating step is used to apply breakaway layer to transfer film, then the transfer film can be stripped from substrate, but the manufacturing process becomes complex and costly
Solution Approach 1:
The patent combines the coating step and transfer lamination step into a single integrated process. The breakaway layer is applied to the transfer film, and then the film is immediately laminated to the substrate in one continuous operation, eliminating the need for separate coating and lamination steps. This merging of operations simplifies the manufacturing process and reduces the number of discrete manufacturing steps.
Solution Approach 2:
The transfer film serves multiple functions: it acts as both the carrier for the metallized layer and the substrate for the breakaway coating. By making the film multi-functional, the patent eliminates the need for separate dedicated coating substrates and reduces the overall number of components and steps required in the manufacturing process.
2Object-generated harmful factors
If transfer film is discarded after limited reuses, then disposal is simple, but environmental impact increases and resources are wasted
Solution Approach 1:
The patent enables the transfer film to be recovered and reused multiple times by applying a fresh breakaway coating to each side after stripping. Instead of discarding the film after a single use, the film is recovered, recoated with breakaway layer, and reused for additional laminations. This recovering and reuse approach significantly reduces waste and environmental impact while maximizing the utilization of the transfer film substrate.
3Productivity
If transfer film is reused multiple times, then resources are maximized, but the film requires additional coating steps
Solution Approach 1:
The patent merges the coating operation with the lamination operation into a single integrated step. The breakaway coating is applied to the transfer film, and then the film is immediately laminated to the substrate without requiring separate handling or processing steps. This integration allows for efficient reuse of the transfer film while minimizing the complexity of additional coating steps.
4Manufacturing precision
If multiple separate manufacturing steps are used, then each step can be optimized independently, but manufacturing costs increase
Solution Approach 1:
The patent combines multiple manufacturing steps (coating and lamination) into a single integrated process step. This merging eliminates the need for separate processing stages, reduces handling and setup time between steps, and lowers overall manufacturing costs while maintaining the ability to optimize the combined process for precision and quality.
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 approach simplifies the manufacturing process, reduces costs, and allows for the reuse of transfer films, minimizing waste and environmental impact by enabling multiple uses of the film, such as box wrap or printing, while providing a superior breakaway layer and flexible end-use options.
Implementation Method 1
the transfer film is coated in an initial step with a breakaway layer that allows the film to be stripped from the substrate while leaving the application layer
Implementation Method 2
an adhesive is applied and the film is then bonded to the substrate and the film/substrate is cured typically in an oven
Implementation Method 3
the film/substrate is cured typically in an oven
Data Source
AI summary
A method of transfer lamination involves applying a release coating to a first side of a film, applying an application layer to the first side of the film over the release coating, bonding the first side of the film to a substrate, applying a second coating to a second side of the film while the first side of the film is bonded to the substrate, and removing the film from the substrate leaving the application layer deposited on the substrate and the second coating on the second side of the film.