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頁籤選單縮合
題 名 | 農林廢棄物製造複合材之研究=Study on the Composites Made from Agricultural and Forest Residues |
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作 者 | 黃文正; 宋洪丁; 陳恬恬; | 書刊名 | 林產工業 |
卷 期 | 25:3 民95.09 |
頁 次 | 頁201-208 |
分類號 | 474.5 |
關鍵詞 | 廢棄物; 孟宗竹; 桂竹; 莿竹; 玉米稈; 花生殼; 稻殼; 粒片板; Residues; Moso bamboo; Makino bamboo; Thorny bamboo; Rice straw; Maize stalk; Peanut husk; Particleboard; |
語 文 | 中文(Chinese) |
中文摘要 | 竹材加工廠竹粒片之廢棄物及農業廢棄物之可回收利用率約占50%,具很高之再利用率,故農林廢棄物實為一種可再利用之材料。農林廢棄物製成之粒片板材,其甲醛釋出量均符合88年公布之CNS2215 E_1、E_2,而符合95年修訂公布CNS2215 F_3者僅孟宗竹粒片板、桂竹粒片板、稻桿粒片板,其餘均超過1.5 ppm,故農林廢棄物乃是一種生態材料。經Duncan分析後,稻桿粒片板之抗彎強度最高,乃因為稻稈粒片之細長比顯著高於其他四種粒片。孟宗竹粒片板、桂竹粒片板、稻稈粒片板、玉米桿粒片板及花生殼粒片板之內聚強度不具顯著差異。製作花生殼粒片板,可不經打碎及過篩之流程即可製成花生殼粒片板,可節省於製作流程上之能源消耗。長薄片型粒片板與粒片型粒片板內聚強度之力學性質經Duncan分析後之結果無顯著差異,乃因長薄片型粒片板之內聚強度取決於膠合劑之結合強度。因長薄片型粒片板之表層使用竹編層,其抗彎強度與木螺絲保持力顯著高於粒片型粒片板。 |
英文摘要 | The main purpose of this study is to develop composition board from natural fiber-based residues. Six kinds of residues of which particle size ranges from -8+10mesh to -10+18mesh are moso bamboo, makino bamboo, thorny bamboo, rice straw, maize stalk, and peanut husk. The recovery accounts for about 50% of the raw materials used for making board. The binder to be used is urea formaldehyde, and the resin solid content based on the ovendry weight of particle is 10%. The pressing conditions are temperature (150℃), pressure (4.2 MPa) and time (8min). The target board density is 700 kg/m^3. The moisture content, density, thickness swelling, release of formaldehyde, internal bond, bending strength, and screw holding strength of all the boards are determined following CNS 2215. Formaldehyde release of all the boards meets the criteria of CNS 2215 (-1999), whereas, three of them fails to meet current CNS 2215 (-2006). All of the boards except makino bamboo board have high thickness swelling (> 8%). The maize stalk board has the best internal bond (0.28 MPa), whereas the rice straw board has the best bending strength (14.84 MPa). The board made from strand particle and overlaid by woven thomy bamboo has the promising performances, i.e. IB(0.2 MPa) MOR(56.37 MPa), and screw holding force (1004.09 N). Though the peanut husk board has low bending strength, it can be easily handled and energy saving. Peanut husk mixed with other fiber-based materials or overlaid by veneers will be investigated later. |
本系統中英文摘要資訊取自各篇刊載內容。