木塑复合材料
材料科学
木粉
复合材料
紧迫的
原材料
热压
润湿
表面粗糙度
粒径
复合数
化学
有机化学
物理化学
作者
Nadir Ayrılmış,Jan T. Benthien,Heiko Thoemen
标识
DOI:10.1016/j.compositesb.2011.07.011
摘要
Degree of surface quality of wood plastic composites (WPCs) is a function of both raw material characteristics and the manufacturing variables. The WPC panels comprised of different panel densities (800, 950, 1000, and 1080 kg/m3), wood flour contents (50, 60, 70, and 80 wt.%), wood flour sizes (<0.5, ⩾0.5 to <0.8, 0.8–1, and >1 mm), and hot-pressing temperatures (190 and 210 °C) were manufactured using a dry blend/flat-pressing method under laboratory conditions. The surface smoothness of the WPC panels improved with increasing WPC density, plastic content, and hot-pressing temperature while it deteriorated with increasing wood flour size. The reduction in the particle size of the WF resulted in a more compact structure on the WPC surface. In general, the wettability of the samples increased by increasing surface roughness.
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