Biological Resistance and Application Properties of Particleboards Containing Nano-Zinc Oxide
Table 3
Physical and mechanical properties of the control PB and the nano-ZnO-treated PBs.
Physical and mechanical properties of PBs
Nano-ZnO (% wt. in MUF glue)
0
2
6
12
24
Density (kg·m−3)
644 (19.26)
638 (17.78)
629 (25.66)
653 (15.69)
637 (12.40)
Thickness swelling (TS) after 2 h (%)
5.91 (0.41)
6.88 (0.89)
6.79 (0.36)
6.72 (0.48)
6.61 (1.47)
Thickness swelling (TS) after 24 h (%)
15.51 (1.69)
18.82 (1.33)
19.71 (1.38)
19.33 (2.61)
16.60 (2.29)
Water absorption (WA) after 2 h (%)
15.23 (1.43)
18.25 (2.14)
17.77 (1.60)
17.47 (1.26)
15.73 (2.20)
Water absorption (WA) after 24 h (%)
39.88 (3.88)
46.75 (1.40)
48.83 (2.50)
45.71 (3.35)
39.87 (3.42)
Internal bond (IB) strength (N·mm−2)
0.49 (0.05)
0.35 (0.09)
0.30 (0.06)
0.32 (0.05)
0.33 (0.06)
Bending strength (BS) (N·mm−2)
9.80 (1.33)
7.80 (0.95)
8.08 (0.47)
9.13 (0.83)
8.71 (0.54)
Note. Mean values: density from 6 samples, TS from 8 samples, WA from 8 samples, IB from 10 samples, and BS from 6 samples. Standard deviations are in the parentheses.
