Ablative Properties of Polyurethanes Reinforced with Organoclay
Javier Bocchio, Mariano Escobar, Javier Carlos Quagliano Amado
Abstract
Javier Bocchio, Mariano Escobar, Javier Carlos Quagliano Amado
Abstract
Ablation resistance and mechanical properties of polyurethane‐based composites containing different amounts (up to 5 wt%) of organoclay were correlated with the morphological characterization. The crosslinking density of the polyurethane increased with the amount of organoclay. At low concentration (up to 1 wt%), the organoclay was well exfoliated, while at higher concentration, both exfoliated and intercalated platelets were found. A linear correlation was observed between the tensile test and the concentration of organoclay. Erosion velocity decreased 40% with the incorporation of 5% of organoclay. POLYM. ENG. SCI., 60:630–635, 2020. © 2020 Society of Plastics Engineers
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Ablation resistance and mechanical properties of polyurethane‐based composites containing different amounts (up to 5 wt%) of organoclay were correlated with the morphological characterization. The crosslinking density of the polyurethane increased with the amount of organoclay. At low concentration (up to 1 wt%), the organoclay was well exfoliated, while at higher concentration, both exfoliated and intercalated platelets were found. A linear correlation was observed between the tensile test and the concentration of organoclay. Erosion velocity decreased 40% with the incorporation of 5% of organoclay. POLYM. ENG. SCI., 60:630–635, 2020. © 2020 Society of Plastics Engineers
Key concepts: Organoclay, Materials science, Composite material, Polyurethane, Ultimate tensile strength, Nanocomposite