Improving the Continuous Microcellular Extrusion Foaming Ability with Supercritical CO₂ of Thermoplastic Polyether Ester Elastomer through In-Situ Fibrillation of Polytetrafluoroethylene.

Both G ′′ and G ′ show an increasing trend with increasing PTFE content, especially in the low frequency region, whereas the values of G ′′ and G ′ for the samples with different PTFE content are almost the same as in the high frequency region.

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