Composite Silicone Decorative Piece With Adhesive-Free Thermal Bonding
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methods for attaching decorative pieces to fabric surfaces using silicone materials face challenges due to chemical incompatibility and require adhesives, which are costly and potentially damaging, while methods using composite silicone pieces are inefficient and hazardous for workers.
Innovation Solution
A method involving hot-pressing with a mold to co-mold heat-melting layers with silicone, forming a composite decorative piece with integrated heat-melting layers that attach directly to fabric or shoe components without adhesives, enhancing efficiency and safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If silicone material is used for decorative piece, then non-toxic and chemically stable properties are improved, but attachment difficulty to fabric surfaces worsens due to chemical incompatibility
Solution Approach 1:
The patent applies composite materials by combining silicone material with heat-melting material in a layered structure. The silicone layer provides non-toxic and chemically stable properties, while the heat-melting layer enables attachment to fabric surfaces through thermal bonding, thus resolving the contradiction between non-toxicity and ease of attachment.
Solution Approach 2:
The patent applies local quality by creating different functional layers with distinct properties. The silicone layer maintains non-toxic properties where contact is needed, while the heat-melting layer provides attachment capability at the interface with fabric, allowing each layer to optimize its local function.
2Reliability
If adhesive is applied to attach silicone decorative piece, then attachment effectiveness is improved, but cost increases and fabric surface structure may be damaged
Solution Approach 1:
The patent replaces the chemical adhesive system with a thermal bonding system. Instead of using adhesive chemistry to achieve attachment, the heat-melting layer is melted through heating to bond with the fabric, substituting a mechanical/thermal process for a chemical one, thereby eliminating adhesive-related costs and potential fabric damage.
Solution Approach 2:
The patent applies parameter changes by altering the physical state of the heat-melting layer from solid to liquid through temperature change during the attachment process. This phase transition enables the material to flow and bond with the fabric, then solidifies to create a strong attachment without requiring adhesives.
3Ease of manufacture
If manual application of surface treatment agent is used, then composite silicone decorative piece is formed, but manufacturing efficiency decreases and worker health is endangered
Solution Approach 1:
The patent applies self-service by designing a mold that automatically forms the composite structure during injection molding. The mold cavity configuration enables the heat-melting layer and silicone layer to be positioned and bonded together through the injection process itself, eliminating the need for manual application of surface treatment agents and subsequent assembly steps.
Solution Approach 2:
The patent merges multiple manufacturing operations into a single injection molding process. The formation of the composite structure, positioning of layers, and bonding of materials are all achieved in one step through the mold design, combining what would otherwise be separate manual operations into an automated single-step process.
4Productivity
If hot-pressing with mold is used to form composite decorative piece, then manufacturing efficiency is improved, but process complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the mold into multiple cavities with specific functions. The first cavity holds the heat-melting layer, the second cavity receives the silicone material, and the heating element provides thermal energy. This segmented design enables automated composite formation while managing complexity through functional specialization of each cavity.
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 method allows for rapid, adhesive-free attachment of composite silicone decorative pieces to fabrics and shoes, improving manufacturing efficiency and environmental friendliness by eliminating the need for chemical adhesives and reducing health risks.
Implementation Method 1
the first heat-melting layer and the second heat-melting layer are co-molded and heated in the mold, so that each of the first heat-melting layer and the second heat-melting layer is in the molten state and is physically connected to the liquid silicone
Implementation Method 2
heating the mold to melt the first heat-melting layer and the second heat-melting layer in the mold cavity to connect the first heat-melting layer and the second heat-melting layer through heating and melting
Implementation Method 3
cooling the mold to solidify the first heat-melting layer and the second heat-melting layer and to solidify the liquid silicone to forma silicone layer between the first heat-melting layer and the second heat-melting layer
Data Source
AI summary
A method of manufacturing a composite silicone decorative piece includes the following steps: providing a mold, placing a first heat-melting layer in a mold cavity of the mold to correspond to a placement area; injecting a liquid silicone to fill the mold cavity and cover the first heat-melting layer; laying the second heat-melting layer on the liquid silicone; heating the mold to connect the first heat-melting layer and the second heat-melting layer to the liquid silicone through heating and melting; cooling the mold to solidify the liquid silicone to form a silicone layer between the first heat-melting layer and the second heat-melting layer, thereby obtaining the composite silicone decorative piece. In another embodiment, a shoe component includes the composite silicone decorative piece is connected a shoe upper and an outsole, and the silicone layer is exposed on the shoe upper.