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題名 | 二氧化碳噴壓法研製臺灣杉及稻草粒片水泥板之耐燃性研究=Incombustibility of Cement-bonded Taiwania and Rice Straw Particleboard Made by Carbon Dioxide Injection Pressing Process |
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作者 | 尹華文; 柯淳涵; 蔡匡忠; 莊智勝; 鄒哲宗; | 書刊名 | 林產工業 |
卷期 | 26:3 2007.09[民96.09] |
頁次 | 頁195-206 |
分類號 | 474.5 |
關鍵詞 | 臺灣杉; 稻草; 二氧化碳噴壓法; 耐燃性質; 表面試驗; 圓錐量熱儀; Carbon dioxide injection pressing process; Cone calorimeter; Incombustibility; Rice straw; Surface test; Taiwania; |
語文 | 中文(Chinese) |
中文摘要 | 本研究係利用疏伐的台灣杉及農業廢棄物的稻草為材料,拌合波特蘭水泥,並以二氧化碳噴壓法製造粒片水泥板,再使用不同方法評定板材的耐燃性質,期能作為製造耐燃粒片水泥板之根據。試驗結果顯示:利用二氧化碳噴壓技術,可在5 min快速成板,二種粒片水泥板的抗彎強度(MOR)約為34.43-76.68 kgf/cm^2,並依水泥/粒片質量比的增加而增強。台灣杉粒片水泥板經CNS-6532表面試驗分析結果顯示,雖然其著火性(tc)、發煙係數(C_A)、表面持續燄燃的時間(tl)都符合耐燃二級,惟因發熱性(tdθ)未通過耐燃二級標準,故只達耐燃三級;而以三種水泥/粒片質量比製造之稻草粒片水泥板,除表面持續燄燃時間(tl)超過外,其餘性質皆符合耐燃三級標準。利用圓錐量熱儀檢測台灣杉粒片水泥板及稻草粒片水泥板,二種板材皆符合加拿大(CAN/ULC S 135)耐燃二級標準。本研究發現,適度提高水泥/粒片質量比,將可增加板材之強度;而耐燃等級則不但與水泥/粒片質量比有關,而且與粒片的類別、檢測方法及判定標準關係密切。 |
英文摘要 | Two methods for the incombustibility evaluation of fast-hardening cement-bonded particleboard, produced by carbon dioxide injection pressing process using thinned Taiwania and rice straw particles blended with Portland cement, were conducted. Impacts of board forming conditions were also investigated. The experimental showed that carbon dioxide injection pressing was able to form the board in five minutes with modulus of rupture (MOR) values of 34.43-76.68 kgf/cm^2. In addition, MOR values increased with increasing cement/particle ratios. Although satisfactory ignitability (tc) and smoke generation coefficients (C_A) could meet incombustibility class 2 criteria, cement boarded Taiwania particleboard could be only rated as CNS-6532 class 3 due to excessive heat generation (tdθ) values. Except residual surface flaming time (tl), other parameters could meet CNS-6532 class 3 criteria for cement boarded rice straw particleboard with three cement/particle ratios. Both Taiwania and rice straw cement boards could meet cone calorimeter method (CAN/ULC S 135) incombustibility class 2. This study found proper increasing cement/particle ratios could increase the strength of cement bonded particle board. Incombustibility related not only to the cement/particle ratios, but also to the kinds of particle character, test methods and evaluation criteria. |
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