ArticlePolymers2026
Experimental Investigation on the Performance Degradation of TPO Waterproofing Membranes Under Coupled Thermo-Oxidative Aging and Freeze-Thaw Cycles.
Article in Polymers, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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6 authors.
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Abstract
Thermoplastic polyolefin (TPO) waterproofing membranes are widely used in building roofs and underground waterproofing systems, and their durability under complex service environments is critical to long-term waterproofing reliability. Self-adhesive TPO membranes from one production batch were evaluated in the unaged condition (C0) and after 5, 7, 14, and 28 complete coupled aging cycles (C5, C7, C14, and C28, respectively). Each complete cycle lasted 48 h; thus, C5, C7, C14, and C28 corresponded to total elapsed times of 10, 14, 28, and 56 d. Mass variation, Fourier-transform infrared spectroscopy (FTIR), peel, tensile, and scanning electron microscopy (SEM) measurements were integrated to evaluate physical, near-surface chemical, interfacial, and mechanical changes. The reported mass-loss ratios varied only slightly from 0.25% to 0.35%, indicating limited sensitivity of mass variation under the adopted conditions. FTIR band-depth indices near 1021, 876, 1462, and 719 cm
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