Ozone Surface Treatment for Insulating Container Adhesion
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Solution Overview
Problem
Insulating containers made from polymers face challenges in achieving effective adhesion between molded polymeric surfaces and additional insulating materials, leading to reduced thermal resistivity due to delamination and air pockets.
Innovation Solution
The method involves injecting ozone gas with a concentration of 5-7.5% or 1-15% into the internal cavity of the insulating container to displace air and then flushing it out with air to create a surface that improves the adhesion of insulating foam to the molded polymer surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If insulating containers are made from polymers with molded structures, then manufacturing efficiency is improved, but adhesion between polymeric surfaces and insulating materials deteriorates due to delamination and air pockets
Solution Approach 1:
The patent applies preliminary action by treating the polymeric surface with ozone gas before the insulating material is applied. This preliminary ozone treatment modifies the surface properties to enhance adhesion, preventing delamination and air pockets before they can occur during the insulation application process.
Solution Approach 2:
The patent utilizes parameter changes by altering the chemical properties of the polymeric surface through ozone exposure. The ozone treatment changes the surface chemistry and energy state, creating a more favorable surface for adhesion with the insulating material, thereby improving bond strength without affecting the bulk polymer properties.
2Productivity
If conventional molding processes are used, then production speed is improved, but thermal resistivity deteriorates due to delamination and air pockets
Solution Approach 1:
The patent incorporates a preliminary ozone treatment step that is performed quickly and efficiently, maintaining high production speed while significantly improving thermal resistivity. The ozone treatment is applied briefly before insulation application, preventing delamination that would compromise thermal performance.
Solution Approach 2:
The patent changes the surface parameter of the molded polymer through ozone exposure, creating a chemically modified surface that enhances bonding with insulating materials. This parameter change improves thermal resistivity by eliminating air pockets and delamination without slowing down the production process.
3Device complexity
If insulating material is applied directly to molded surfaces, then process simplicity is improved, but adhesion quality deteriorates due to delamination
Solution Approach 1:
The patent introduces a simple preliminary ozone treatment step that enhances adhesion before the insulating material is applied. This additional step, while increasing process complexity minimally, prevents delamination and ensures reliable bonding between the molded surface and insulating material.
Solution Approach 2:
The patent modifies the surface parameters of the molded polymer through brief ozone exposure, creating a chemically active surface that improves adhesion. This parameter change enables better bonding without requiring complex mechanical or chemical preparation processes.
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 process enhances the thermal resistivity of the insulating container by ensuring better adhesion of the insulating foam to the polymer surfaces, reducing delamination and air pockets, thereby improving the container's thermal performance.
Implementation Method 1
inject ozone gas containing 5-7.5%, or 1-15% ozone into the first opening. The method may further fill the cavity with the ozone gas, thereby displacing a mass of air out through the second opening
Data Source
AI summary
Systems and methods for improving adhesion of an insulating foam to a molded polymeric insulating structure through use of ozone gas for functionalization of molded polymeric surfaces of an internal cavity of the insulating structure.