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With wood shavings, bamboo shavings and charcoal powder, activated carbon, charcoal powder / activated carbon adsorption material as raw material, the study of indoor air purification composite particleboard manufacturing process and indoor air purification performance, theory provides for the development and utilization of indoor air purification functional wood-based panels basis and technical support. In this study, using single factor test method sheet performance, the use of formaldehyde direct reading measured air purification ability of the plate, through the repeated the test the study sheet adsorption ability persistent; standing wave tube method for the determination of sound absorption properties of the plate. The results show that: (1) composite particleboard physical and mechanical properties of wood shavings, bamboo shavings charcoal powder, activated carbon, charcoal powder / activated carbon adsorption material is generally better than ordinary wood particleboard and bamboo particleboard. Temperature of 180 ° C hot pressing, hot pressing pressure 3.0MPa, pressing time of 8 min hot pressing conditions, when the sheet density is set to 0.88g.cm-3, having a thickness of 8 mm, the surface layer of wood shavings with charcoal powder / better physical and mechanical properties of the activated carbon composite wood particleboard, MOR value 19.186MPa the MOE value 3308MPa, 2h absorption thickness ratio was 8.93% and the rate of 18.26%, 24h absorption thickness; core layer of wood shavings and 0.4% activated carbon composite better physical and mechanical properties of wood particleboard, IB value 1.417MPa MOR value 21.781MPa, the MOE value 3399MPa, a the 2h absorption thickness rate of 3.13%, 24h absorption thickness was 12.35%; bamboo shavings with 1.6% charcoal powder composite particleboard physical and mechanical properties, IB = 2.05MPa, MOR value 22.835MPa 2h absorbent thickness of only 0.22%, 24h absorption thickness was 3.49%. (2) wood bamboo shavings and charcoal powder, activated carbon, charcoal powder / activated carbon adsorption material composite particleboard formaldehyde in the air have good adsorption effect. 1mg formaldehyde into the 1m3 sealed box, will test plate area are 0.21m2 different types plate test, respectively, after 11 in a sealed box, the following results were obtained: in the surface layer of wood shavings different adsorbents composite wood particleboard most have the best adsorption effect, supplemented with 0.5% charcoal wood particleboard to its purification value of mg/m2.h 1.159; in the core layer of wood shavings with a different adsorbent material composite wood particleboard, the addition of 0.5% activated carbon composite wood particleboard good adsorption effect, its purification value 1.25 mg/m2.h; in Bamboo by different adsorbents composite bamboo particleboard, add 0.75% activated carbon composite bamboo particleboard best adsorption effect, its purification value of 1.53 mg / m2.h. (3) through the adsorbent material of the surface shavings or charcoal powder, activated carbon, charcoal powder / activated carbon, etc. composite wood particleboard desorption and re-adsorption test, small proof sheet re-release the formaldehyde content, and with the passage of time to continuously reduce when the concentration of formaldehyde in the air, the plate will automatically adsorption of formaldehyde in the air, so when such a plate can be used as indoor air purification materials used as furniture backplanes form of vegetarian plates. (4) add charcoal powder, activated carbon, charcoal powder / activated carbon adsorption material such as wood particleboard and bamboo particleboard sound absorption performance is not as good as the sound absorption performance of the control plate, but it added to the adsorption material sheet analysis for wood particleboard , add charcoal / activated carbon sheet. The sound absorption properties of bamboo particleboard core layer of shavings with 0.4% charcoal / activated carbon composite was 0.15. Bamboo particleboard, bamboo shavings and 2% bamboo charcoal composite sound absorption properties of bamboo particleboard best, the absorption coefficient of the plate in the frequency 1200HZ over control plate, but the frequency 2000HZ and control plates suck The acoustic coefficient similar to the absorption coefficient of 0.15.
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