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Applied Adhesion Science
Fig. 6 | Applied Adhesion Science

Fig. 6

From: Effect of thermal postcuring on the micro- and macromechanical properties of polyurethane for wood bonding

Fig. 6

Hardness of adhesive in the bondline (HBondline). Comparison of HBondline of different adhesives (PU = one-component polyurethane, CNFT = PU, mixed with carbon nanofibers/nanotubes, CB = PU, mixed with carbon black) and four different postcuring conditions (e.g. 80/1 = 80 °C for 1 h). ANOVA (p ≤ 0.05) indicates no statistical significant differences of reduced elastic modulus (only different letters indicate differences). n = number of specimen tested. Boxplots: boxes = quartile of distribution, whiskers = 1.5 of interquartile range, circles = outliers

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