Integrated Film Lamination Machine with Electron Beam Curing
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Solution Overview
Problem
Current methods for manufacturing printed laminated films for packaging are inefficient, requiring multiple machines, lengthy adhesive polymerization times, and resulting in high production costs and environmental impact due to solvent use.
Innovation Solution
A single-machine process that integrates flexographic printing, adhesive application, electron beam polymerization, and simultaneous cutting and winding, allowing for rapid adhesive stabilization and elimination of dead times, using solvent-free inks and electron beam technology for polymerization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional three-step manufacturing process is used, then each step can be performed with dedicated equipment, but production time is extremely long (4-5 days) and requires multiple separate machines
Solution Approach 1:
The patent combines printing, lamination, and polymerization operations into a single integrated machine. The printing unit applies adhesive and prints substrate simultaneously, the lamination unit bonds films together, and the electron beam polymerization unit cures the adhesive immediately - all in one continuous pass through the machine, eliminating the need for separate machines and lengthy waiting periods
Solution Approach 2:
The patent replaces traditional thermal or chemical polymerization methods with electron beam (EB) polymerization. The EB radiation source (electron gun) generates high-energy electrons that directly polymerize the adhesive material instantly upon application, eliminating the need for prolonged thermal curing or chemical catalysts, and reducing polymerization time from days to seconds
2Productivity
If multiple separate machines are used for printing, lamination, and cutting, then each function can be optimized independently, but device complexity increases and production costs rise
Solution Approach 1:
The patent designs a single multi-functional machine that performs printing, lamination, and polymerization operations. The machine includes a printing unit with adhesive application and printing capabilities, a lamination unit for bonding films, and an electron beam polymerization unit for curing - all integrated into one device that processes material continuously through all operations
Solution Approach 2:
The patent merges three separate manufacturing operations (printing, lamination, cutting) into one integrated machine. The printing unit applies adhesive and prints substrate simultaneously, the lamination unit bonds films together, and the electron beam polymerization unit cures the adhesive immediately - all in one continuous pass through the machine, eliminating the need for separate machines and lengthy waiting periods
3Ease of manufacture
If solvent-based adhesives are used, then lamination can be achieved, but environmental impact increases and production costs rise
Solution Approach 1:
The patent changes the chemical parameters of the adhesive material from solvent-based to solvent-free formulation. The adhesive composition is modified to eliminate volatile organic compounds while maintaining bonding capability, and the electron beam polymerization process is optimized to effectively cure the solvent-free adhesive, achieving lamination without environmental harm from solvent evaporation
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
Significantly reduces production time from days to hours, minimizes environmental impact, and lowers costs by integrating functions into a single, reliable, and cost-effective machine, while ensuring stable lamination and improved printing quality.
Implementation Method 1
means of electron beam polymerization of the adhesive material, which make it possible to achieve, rapidly, the hold of such adhesive material
Data Source
Figure 1
AI summary
A machine for manufacturing printed laminated films, particularly for packaging, which comprises a frame (2) that supports means of traction of at least one primary film (3) along an advancement path and means (4) of printing the primary film (3) which are interposed along the advancement path. According to the invention, on the frame (2) there are, in mutual succession, downstream of the printing means (4), along the advancement direction of the primary film (3), means (5) of laminating a secondary film (6) to the primary film (3) with the interposition of an adhesive material and means of electron beam polymerization of the adhesive material.