Non-crosslinked Silicone Bonding Intermediate for Textile Assembly
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Solution Overview
Problem
Existing methods for assembling silicone-coated textiles, such as sewing and liquid bonding, face challenges like hole formation, moisture ingress, and non-uniform mechanical strength, while hot-vulcanizable elastomer intermediates suffer from deformation and non-homogeneous properties due to storage and handling issues.
Innovation Solution
A bonding intermediate comprising a non-crosslinked silicone elastomer strip with an anti-adhesive film on one side and a translucent film on the other, allowing precise positioning and preventing deformation, along with optional heat dissipating elements and marking indications for traceability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If sewing techniques are used to assemble silicone-coated textiles, then the textiles can be joined together, but holes are generated which become entry points for moisture and reduce mechanical strength
Solution Approach 1:
A bonding intermediate layer is introduced between the silicone-coated textiles to facilitate assembly without direct penetration. This intermediate layer acts as a mediator that bonds to both textile surfaces while maintaining waterproof integrity, eliminating the need for penetrating sewing threads that create moisture entry points.
2Ease of operation
If mastic or liquid glue is used for bonding, then assembly is simplified, but the bonding conditions become restrictive requiring dust-free atmosphere and long pressure application
Solution Approach 1:
The bonding intermediate is pre-prepared with reactive groups and protective release films before use. This preliminary preparation allows the bonding process to proceed without requiring dust-free conditions or extended pressure application, as the intermediate is already configured for optimal bonding performance.
Solution Approach 2:
The bonding process utilizes changes in temperature and pressure parameters to activate the bonding intermediate. By controlling these parameters, the bonding occurs rapidly under standard conditions without requiring restrictive dust-free environments or prolonged pressure application.
3Adaptability or versatility
If non-crosslinked silicone is used as bonding intermediate, then bonding capability is achieved, but the material has very deformable consistency without real hold
Solution Approach 1:
The bonding intermediate is formulated as a composite material combining non-crosslinked silicone with reinforcing fillers and stabilizing agents. This composite structure provides both the desired bonding capability of silicone and improved dimensional stability, preventing excessive deformation while maintaining versatility.
Solution Approach 2:
Different regions of the bonding intermediate have different properties: the bulk material provides structural stability and dimensional hold, while the surface layers maintain bonding reactivity. This local differentiation allows the material to simultaneously exhibit stability and bonding capability.
4Ease of operation
If bonding intermediate is stored in rolled form, then storage and transport are facilitated, but dimensional variations occur causing non-homogeneity in mechanical properties
Solution Approach 1:
The bonding intermediate is pre-cut to precise dimensions and pre-assembled in flat configurations before storage. This preliminary action ensures dimensional accuracy is established before any storage-induced deformation can occur, maintaining manufacturing precision while still allowing for convenient storage and transport.
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
Facilitates easy, precise, and deformation-free assembly with consistent mechanical properties, ensuring reliable bonding and improved handling, especially for large-scale and long-life applications.
Implementation Method 1
the application of pressure and high temperature causes the crosslinking of the silicone of the intermediate which reacts and allows the grip with the silicone contained in each of the two coating layers
Implementation Method 2
a translucent film present on the second face of the strip... the translucent film makes it possible to visualize the zone of the textile sheet through the non-crosslinked silicone composition
Implementation Method 3
optional heat dissipating elements
Data Source
Figure 1~6
AI summary
The invention concerns a bonding intermediate (1) between two textiles (10, 20) having each a coating layer of silicone-based polymer, said intermediate comprising a composition (2) based on non-crosslinked silicone elastomer, and a release film (3) positioned on a first side of said intermediate. The invention is characterized in that it has the shape of a planar rectilinear section of a strip based on said non-crosslinked silicone elastomer, and in that it comprises a translucent film (4) provided on the second side of the strip.