Haptic Adhesive Article Eliminating Release Liner
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Solution Overview
Problem
Existing adhesive articles with haptic layers require a release liner, increasing manufacturing complexity and cost, and existing methods to achieve tactile feels through additional ink layers are costly.
Innovation Solution
An adhesive article comprising a polymeric layer with a haptic layer containing a release agent, eliminating the need for a release liner, where the haptic layer is directly applied to the polymeric layer and an adhesive layer is applied on top, allowing for self-winding and separation without a release liner.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a release liner is used to allow the tape to be provided in a roll and unwound, then the tape can be applied over the label, but the release liner adds cost and complexity to the manufacture of the tape
Solution Approach 1:
The invention extracts and eliminates the release liner from the tape structure by incorporating a release agent directly into the haptic layer. This allows the adhesive layer to be released from the haptic layer itself without requiring a separate release liner component, thereby reducing manufacturing complexity while maintaining ease of application
Solution Approach 2:
The invention merges the release agent function with the haptic layer by incorporating the release agent into the haptic layer material. This combination eliminates the need for a separate release liner while preserving the haptic effect and enabling self-release functionality
2Shape
If successive layers of ink are provided to obtain tactile feel, then the label has enhanced aesthetic quality, but the cost of the label increases prohibitively
Solution Approach 1:
The invention changes the parameter of material composition by incorporating particles or structures into the haptic layer that provide tactile feel without requiring multiple layers of expensive ink. The haptic layer uses alternative materials (such as rubber particles, glass beads, or textured polymers) to achieve the desired tactile effect at lower cost
Solution Approach 2:
The invention uses composite materials in the haptic layer by combining a polymer matrix with dispersed particles (such as rubber particles, glass beads, or other tactile-enhancing materials). This composite structure provides the desired tactile feel while being more cost-effective than multiple layers of tactile ink
3Device complexity
If a release liner is eliminated and the haptic layer contains the release agent, then manufacturing complexity and cost are reduced, but the haptic layer must effectively serve dual functions
Solution Approach 1:
The haptic layer is designed to perform multiple functions simultaneously: it provides the tactile effect, contains the release agent for adhesive release, and serves as the top protective layer. This multi-functionality eliminates the need for a separate release liner while maintaining all necessary capabilities
Data Source
AI summary
An adhesive article includes a polymeric layer, a haptic layer disposed adjacent a first major surface of the polymeric layer, and an adhesive layer disposed adjacent a second major surface of the polymeric layer. The haptic layer includes a predetermined amount of at least one release agent. A method of forming the adhesive article includes providing the polymeric layer, disposing the haptic layer over and directly on the polymeric layer, and disposing the adhesive layer over and directly on the polymeric layer opposite the haptic layer.