As it is shown in the result of the research about larch rind broad with PF adhesive:propovties the larch rind broad with its surface covered by wood shaving,under the tempreture of 190~200℃,pressure of 2.5~3.0 MPa,time of 0.7 min/mm can meet the standard of GB/T 4897-2003.Especially MOR of the Larch rind broad exceeds the requirement of GB/T 4897-2003.It can be used as outdoor building materials.
随着我国森林资源日趋匮乏,可供采伐的资源也受到了制约.与此同时,1年生主要农作物大部分未得到合理利用的现实也日益突出,严重污染环境.因此,充分利用现有的非木材植物纤维原料,既解决了环境的污染,同时节约了木材利用资源,使其变废为宝.
落叶松是我国用材量较大的树种之一,且蕴藏丰富.东北地区制材厂和胶合板厂每年都产生大量的落叶松树皮剩余物,除少量用于制作拷胶或做胶粘剂填充物外,由于没有其他合适的用途,大部分都被废弃或烧掉.