Barrier Layer Storage Containers for 1,1-Disubstituted Alkenes
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Solution Overview
Problem
Existing storage solutions for 1,1-disubstituted alkene compositions are inadequate in maintaining their shelf life due to premature degradation, particularly from moisture exposure, leading to reduced reactivity and viscosity changes.
Innovation Solution
The use of storage containers with a barrier layer, primarily made from materials like high-density polyethylene or fluorinated high-density polyethylene, which significantly reduces water vapor transmission rates, along with non-reactive coatings and surface modifications, to prevent moisture migration and maintain the stability of 1,1-disubstituted alkene compositions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional storage containers are used for 1,1-disubstituted alkene compositions, then the containers are simple and inexpensive, but the compositions degrade prematurely due to moisture exposure
Solution Approach 1:
The storage container uses a multi-layer composite structure consisting of an inner layer made from moisture-barrier materials (such as fluorinated high-density polyethylene, aluminum foil, or glass) and an outer layer made from conventional plastic materials. This composite structure provides both moisture protection and mechanical strength, resolving the contradiction between reliability and device complexity.
Solution Approach 2:
The patent introduces a barrier layer as an intermediary between the 1,1-disubstituted alkene composition and the external environment. This barrier layer, made from materials with low water vapor transmission rates, mediates the interaction by blocking moisture while allowing the container to maintain its structural integrity and handling properties.
2Object-affected harmful factors
If storage containers with barrier layers are used to reduce water vapor transmission, then moisture protection is improved, but manufacturing complexity increases
Solution Approach 1:
The container is manufactured as a composite structure with an inner barrier layer and an outer structural layer. Common manufacturing techniques such as co-extrusion, lamination, or injection molding over a mandrel are used to create these multi-layer structures, balancing moisture protection with ease of manufacture.
Solution Approach 2:
The barrier layer is applied locally to the inner surface of the container where it contacts the composition, rather than making the entire container complex. This localized approach provides moisture protection where needed while keeping the overall manufacturing process simple and cost-effective.
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 extends the shelf life of 1,1-disubstituted alkene compositions by maintaining their reactivity and viscosity over extended periods, even under harsh conditions such as high temperatures and humidity, ensuring their usability for several months.
Implementation Method 1
The barrier layer decreases the water vapor transmission rate of the storage container
Data Source
AI summary
Methods and systems for storing 1,1-disubstituted alkene compositions using storage containers are disclosed. The storage containers enable the 1,1-disubstituted alkene compositions to exhibit a long shelf life and maintain reactivity.