Research Article

Properties of a Laminated Wood Composite Produced with Thermomechanically Treated Veneers

Table 3

Factor analysis of plywood physical properties.

SourcePropertySSDFMSSig.

TemperatureThickness2.8212.8171.960.000
0.00210.0022.450.121
TS2h37.00137.0016.990.000
WA2h45.09145.098.900.004
TS24h33.64133.6413.370.001
WA24h17.71117.711.360.248
PTS2.1612.161.100.299
EMC6.6816.6863.260.000

TimeThickness0.6110.6115.510.000
0.00110.0011.240.269
TS2h2.1312.133.270.076
WA2h100.791100.7919.890.000
TS24h1.5411.540.610.438
WA24h164.801164.8012.680.001
PTS0.09810.0980.050.824
EMC0.00210.0020.020.989

Temperature × timeThickness0.0210.020.390.532
0.0010.000.120.728
TS2h8.6918.693.990.058
WA2h4.6914.690.920.341
TS24h6.9616.962.760.102
WA24h105.731105.738.140.006
PTS17.90117.909.120.004
EMC0.6010.605.670.021

Significant and nonsignificant, respectively, in factor analysis at 0.05 level. : density; TS2h and TS24h: thickness swelling after 2 and 24 hours of water immersion; WA2h and WA24h: water absorption after 2 and 24 hours of water immersion; EMC: equilibrium moisture content; PTS: permanent thickness swelling.