Thermoplastic adhesive composition and method for producing such thermoplastic adhesive composition
JP2026101606APending Publication Date: 2026-06-22THE SWATCH GRP RES & DEVELONMENT LTD
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Patent Information
- Application Number
- JP2025177056
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2024-12-10
- Filing Date
- 2025-10-21
- Publication Date
- 2026-06-22
AI Technical Summary
Technical Problem
Existing adhesives lack high adhesive strength, on-demand release properties, and efficient recycling capabilities, with supramolecular polymers being too weak and epoxy-based adhesives being difficult to adjust and recycle.
Method used
A thermoplastic adhesive composition comprising linear oligomers and polymers formed by co-oligomerization or copolymerization of monomers with specific ratios of glycidyl and amine groups, allowing for high adhesive strength and on-demand release through heat or solvent interaction.
Benefits of technology
The adhesive composition provides strong, adjustable bonding with easy removal and recycling, suitable for applications requiring flexibility and durability, such as in the watch industry.
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Smart Images
Figure 2026101606000001_ABST
Abstract
The present invention provides an adhesive composition that offers high adhesive strength and on-demand release (DoD) properties, as well as a method for producing the same. [Solution] A thermoplastic adhesive composition is provided, comprising a linear oligomer and / or linear polymer obtained by co-oligomerization and / or copolymerization of a mixture comprising at least one monomer containing two terminal glycidyl groups and at least one monomer containing two secondary amine groups or one primary amine group, wherein the ratio of the number of terminal glycidyl groups to the number of amine groups in the mixture is 1:1.1 to 1:2.75.
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