Upcycling 3D Printing PLA Waste into Functional Electrospun Membranes: Effect of Polymer Concentration on Morphology, Surface Properties and Particle Filtration Efficiency.

Polymers (Basel) · 2026 · PMC13030485 · PMID 41901900

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did not reach statistical significanceno p-value reported

A positive correlation was observed between viscosity and contact angle (r = 0.7701, p = 0.1277, R 2 = 0.5930), indicating a moderate linear trend that did not reach statistical significance at the 95% confidence level.

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