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題 名 | 木粒片-聚乳酸複合材之製造=Manufacture of Wood Particle-Polylactic Acid Composite |
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作 者 | 宋洪丁; 陳合進; 曾勁中; 鍾勝湟; 謝沛峰; 陳恬恬; 黃文正; 吳松林; | 書刊名 | 林產工業 |
卷 期 | 29:4 2010.12[民99.12] |
頁 次 | 頁265-270 |
分類號 | 474.5 |
關鍵詞 | 聚乳酸; 尿素甲醛樹酯; 聚氯乙烯; 高密度聚乙烯; 木塑複合材; 力學性質; 熱壓; Polylactic acid; Urea formaldehyde resin; Polyvinylchloride; High-density polyethylene; Wood-plastic composite; Mechanical properties; Hot pressure; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究使用木粒片與PLA以不同比例混合,其對照組包括以下三組:以木粒片分別混合聚氯乙烯(Polyvinylchloride, PVC)、高密度聚乙烯(High-density polyethylene, HDPE)與尿素甲醛樹脂(Urea Formaldehyde Resin, UF)作為膠合劑之板材比較其性質。其板材尺寸為300mm×200mm×12mm,密度為0.8g/cm^3,熱壓溫度為180℃,熱壓時間約5~20分鐘,其物理試驗項目,含水率、密度及吸水厚度膨脹率,力學試驗項目:內聚強度、破壞模數、彈性模數和木螺釘保持力,均以CNS2215之試驗方法為標準,其複合材的含水率會隨著木材比例增加而增加,複合材的密度除了UF板外,其他九種材料之密度並沒有顯著性差異,複合材之吸水厚度膨脹率會隨著木粒片比例的增加而增加,彈性模數經Duncan檢定後無顯著差異,其內聚強度、破壞模數和木螺釘保持力均會隨著PLA比例增加而增加。 |
英文摘要 | The main purpose of this study is to blend wood material and polylactic acid (PLA) in various proportions to make wood/PLA composite. Wood chips were respectively mixed with polyvinyl chloride (PVC), high density poly-ethylene (HDPE) and urea formaldehyde resin (UF). The board size is 300mm × 200mm × 12mm with target density of 0.8 g/cm^3, pressing temperature of 180℃ and pressing time of about 5~20 minutes. The physical test items include moisture content, density and thickness swelling. The mechanical test items include internal bonding strength, modulus of rupture, bending modulus of elasticity and screw holding strength. All the test methods follow CNS2215 standard. The moisture content of wood-PLA composites increase with increasing the proportion of the wood material. The density of wood-PLA composites show no significant difference among the nine combinations of composites, except for the board blended with UF. The thickness swelling of wood-PLA composites will increase with increasing the proportion of the wood material. The elastic moduli of composites compared by Duncan test show no significant difference. The internal bonding strength and screw holding strength will increase with increasing the proportion of PLA. |
本系統中英文摘要資訊取自各篇刊載內容。