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The lightweight type IV hydrogen storage tanks put forward higher requirements for the thermal properties of the polymer liners. To improve the thermal properties, graphene flakes (GFs) were used as fillers to reinforce high‐density polyethylene (HDPE). The effects of the interfaces between GFs and polymer matrix and the ordered microstructures on the thermal properties of composites were discussed...
Triphenylamine (TPA)‐based polyimides (PIs) have excellent discoloration characteristics and widely used as functional films. However, these PIs usually exhibit lower mechanical and thermal properties, and TPA units as the electron donor also weaken the optical transmittance of PIs. Utilized blending with diaminodiphenyl ether (ODA)‐based PIs, we successfully prepared the blend polyimide (BPI) films...