fig11
From: Applications of flexible polyimide: barrier material, sensor material, and functional material
![Applications of flexible polyimide: barrier material, sensor material, and functional material](https://image.oaes.cc/20a85a8b-3151-4a16-8895-9df1ea8f96a1/5339.fig.11.jpg)
Figure 11. Preparation of PIF and the sound absorption performance of its wedge-shaped pore structure[13].
Figure 11. Preparation of PIF and the sound absorption performance of its wedge-shaped pore structure[13].
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