Fire Suppressing Pleated Packaging Paper
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Solution Overview
Problem
Pleated paper lacks fire resistance and suppressive capabilities, making it unsuitable for packaging items that pose fire hazards, such as lithium-ion batteries, and is prone to ignition and thermal runaway during transit.
Innovation Solution
Producing pleated paper with fire suppressive characteristics by using Kraft paper coated with a fire suppressive ink applied via flexographic printing, featuring wider pleat angles and lower heights, and bonding with heavier Kraft paper for enhanced strength and resilience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If pleated paper is used for packaging, then it provides good protective qualities and is recyclable/biodegradable, but it lacks fire resistance and is prone to ignition and thermal runaway
Solution Approach 1:
The patent applies composite materials by combining pleated paper with fire suppressive ink containing inorganic fusible salts and aqueous binders. This creates a composite packaging material that maintains the recyclability and protective qualities of paper while adding fire resistance through the chemical composition of the ink coating.
Solution Approach 2:
The patent changes the chemical parameters of the paper surface by applying a fire suppressive ink coating containing specific inorganic fusible salts (such as boron-containing compounds, sulfate compounds, phosphate salts, or silicates) and aqueous binders. This parameter change transforms the flammable paper into a fire-resistant material that suppresses combustion.
2Reliability
If fire suppressive ink is applied to Kraft paper, then fire resistance is improved, but the manufacturing process becomes more complex
Solution Approach 1:
The patent replaces complex mechanical fire protection systems with a chemical solution. Instead of using mechanical barriers or active fire suppression systems, the invention applies a chemical coating (fire suppressive ink with inorganic fusible salts and aqueous binders) that provides fire resistance through chemical reactions, simplifying the overall system.
Solution Approach 2:
The patent modifies the surface parameters of Kraft paper by applying a fire suppressive ink coating. This parameter change involves altering the chemical composition and surface properties of the paper to achieve fire resistance, which can be integrated into existing manufacturing processes without requiring complete process redesign.
3Strength
If pleated paper is used to cushion and protect contents, then protective qualities are improved, but environmental friendliness is reduced due to non-recyclability and non-biodegradability
Solution Approach 1:
The patent applies the principle of discarding and recovering by using pleated paper that is fully recyclable and biodegradable. The fire suppressive ink coating is designed to be compatible with paper recycling processes, allowing the material to be recovered and reused, thereby eliminating the environmental harm associated with traditional plastic packaging materials.
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 resulting pleated paper effectively contains and suppresses fires, preventing thermal runaway and protecting contents from damage, while maintaining recyclability and environmental friendliness.
Implementation Method 1
The ink creates a barrier to heat transfer and undergoes a chemical reaction upon heating that forms water, cools and suppresses a fire.
Implementation Method 2
The ink creates a barrier to heat transfer
Implementation Method 3
The fire suppressive ink is applied to all surfaces of the Kraft paper using a flexographic printing technique
Data Source
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Figure 3~4
AI summary
The present invention includes pleated paper and planar paper coated with a fire suppressive ink, wherein the pleated paper is Kraft paper with a weight of 25 to 50 pounds, with pleat angles of about 88 to 92°, and pleat heights between approximately 3/32 of an inch and 1/8 of an inch, and the planar paper is Kraft paper with a weight of 40 to 60 pounds. The fire suppressive ink is preferably applied with a flexographic printing process and preferably comprises at least one inorganic fusible salt and an organic resin. The inventive pleated paper is an environmentally friendly packaging material with improved protective qualities, which can also shield items from fire, contain fires, and suppress fires to avoid thermal runaway. The inventive paper is particularly useful for packaging and shipping flammable items, such as lithium-ion batteries.