Table 1

Main Chemical composition and froe sugar couteut in Ⅰ-72 poplar original wood"

Table 2

Chemical compositions of Ⅰ-72 Poplar wood by sucrose explosion"

Fig.1

Change of chemical composition of Ⅰ-72 Poplar under 2.5MPa Within different steaming time"

Table 3

Phenolic acids content of Ⅰ-72 Poplar wood unoler different explosion couditions  (μg/g)"

Fig.2

Observation of the original wood by SEM × 1800"

Fig.3

Observation of wood exploded with the steaming pressure 2.5MPa and time 5min × 775;Observation of wood exploded with the steaming pressure 3.0MPa and time 3min × 503"

Table 4

Chemical components of particleboard exploded and pressed with Ⅰ-72 Poplar"

Table 5

Phenolic acid content of particleboard exploded with Ⅰ-72 Poplar and plessed"

Fig.4

The content of hot - water extract at the same steaming before and after the hot - pressed"

Fig.5

The content of lignin of Ⅰ-72 Poplar at the same steaming before and after hot-pressed"

Table 6

Mechanical properties of particleboard exploded from Ⅰ-72 Poplar and pressed"