Research Article

Effects of Thermal and Humidity Aging on the Interfacial Adhesion of Polyketone Fiber Reinforced Natural Rubber Composites

Figure 3

SEM photographs of polyketone/NR composite surface; (a) nonaged, (b) thermal aged at 105°C (8 days), (c) 125°C (8 days), (d) 180°C (2 days), and (e) 180°C (8 days), and (f) humidity aged at 99% (500 h).
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