应变自补偿介电基板及其制备方法和应用
By adding high dielectric constant nanoparticles to an elastomer polymer solution and dropwise under stirring to form nanoparticle microsphere clusters, the problem of poor microstructure consistency of dielectric materials in the prior art is solved, and the performance stability and controllability of the dielectric substrate are achieved, which is suitable for stretchable radio frequency antennas.
CN122103901BActive Publication Date: 2026-07-17SICHUAN UNIV
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SICHUAN UNIV
- Filing Date
- 2026-04-28
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing methods produce strain-adaptive dielectric materials with poor microstructure consistency, which affects their application in flexible electronic systems.
Method used
By adding high dielectric constant nanoparticles to an elastomer polymer solution and dropping them under continuous stirring to form nanoparticle microsphere clusters, the aggregation of nanoparticles can be controlled by the two-phase incompatibility, thus preparing a strain-compensating dielectric substrate.
Benefits of technology
The size and distribution of nanoparticle microspheres were controlled, improving the performance consistency and repeatability of the dielectric substrate and providing stable dielectric properties for stretchable RF antennas.
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Figure CN122103901B_ABST
Abstract
本发明公开了一种应变自补偿介电基板及其制备方法和应用，属于柔性电子与无线通信技术领域。所述制备方法具体为：先将高介电纳米粉末分散于水相中，再通过精密控制其向聚合物有机溶液中的滴加速率与剪切条件，利用两相不相容性使纳米粉末在水相微滴内受限聚集，从而在聚合物基体中主动构建出尺寸与形貌可控的纳米颗粒微球簇。该结构使基板在拉伸时介电常数能产生适应性下降，有效补偿可拉伸天线因形变导致的频率偏移。本发明工艺步骤清晰、重复性高，解决了现有应变自适应介电材料微观结构难以均一调控的问题。
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