Extended Data Fig. 2: Physical characterizaton of DUCKY polymers.

(a) Differential scanning calorimetry (DSC) of DUCKY polymers. (b) Thermogravimetric analysis (TGA) of DUCKY polymers normalized to starting sample weight. (c) Uptake of N₂ (77 K) by DUCKY polymers and PIM-1. (d) CO₂ physadsorption of DUCKY polymers and SBAD-1.

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