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題 名 | 稻稈/聚丙烯製備木塑複合材機械性質之探討=The Mechanical Properties of Wood Plastic Composites Prepared from Rice Straw/Polypropylene |
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作 者 | 林曉洪; | 書刊名 | 林產工業 |
卷 期 | 37:1 2018.03[民107.03] |
頁 次 | 頁1-14 |
分類號 | 440.34 |
關鍵詞 | 射出成型; 機械性質; 聚丙烯; 稻稈; 木塑複合材; Injection molding; Mechanical properties; Polypropylene; Rice straw; Wood plastic composites; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究之目的為利用聚丙烯(PP)與回收之稻稈(RS)為原料,並添加部份機能性化藥後研製木塑複合材,計20組試材。依中華民國國家標準CNS 15730「木材-塑膠之再生複合材」室內用途為目標,評估其機械性質,包含拉伸、伸長率、彎曲及衝擊強度。試材編號WPCs-1,4,11,14;2,5,12,15;3,6,13,16;17,18,19,20 各系列組中,無論有/無添加耦合劑及添加固定量之抗UV劑及阻燃劑時,其三種機械強度(拉伸、彎曲、衝擊)和伸長率均隨著稻稈粉添加量增加而下降趨勢。複合材中,添加耦合劑時,三種機械(拉伸、彎曲、衝擊)及伸長率亦較之其它未添加者高,且隨著耦合劑(2~5 phr)添加量增加,其強度及伸長率有增加趨勢(WPCs-10 > 9 > 8 > 7)。相同原料配比(RS/PP)下,添加較多之耦合劑者,其複合材之拉伸及彎曲彈性模數較差(WPCs-7 > WPCs-8 > WPCs-9 > WPCs-10)。綜合評估顯示,各試材之機械性質(拉伸、彎曲及衝擊)和伸長率均隨著稻稈粉添加量增加而呈下降趨勢。然其彈性模數則呈現相反之現象。20組試材中,三種機械強度中,拉伸強度、伸長率及彎曲強度最高值者為編號WPCs -10之組成者。而衝擊強度則以編號WPCs -17之組成者最高。本研究20組試材就機械性質評估顯示,均可達到CNS 15730「木材-塑膠之再生複合材」室內用途之規範。 |
英文摘要 | The purpose of this study was to use polypropylene (PP) and recycled rice straw (RS) as raw materials, and adding some functional chemicals to develop wood-plastic composite materials, and with a total of 20 groups of specimens. Based on the CNS 15730 "Wood-plastic recycled composites" for indoor use, the mechanical properties (tensile, flexural, and impact strength), and elongation of each specimen are evaluated. Sample No. WPCs-1, 4, 11, 14; 2, 5, 12, 15; 3, 6, 13, 16; 17, 18, 19, 20 in each series, with or without added coupling agent and a fixed amount of anti-UV agent and flame retardant are used, the three mechanical strengths (tensile, flexural, impact) and elongation decreased with the increase of the amount of rice straw powder. In the composite, when the coupling agent is added, the three mechanical strengths (tensile, flexural, impact) and elongation are higher than those of the other none added ones, and also the strength and elongation increased with the increasing coupling agent (2~5 phr) (WPCs-10 > 9 > 8 >7). Under the same raw material ratio (RS/PP), the addition of more coupling agent has a poor tensile and flexural modulus of the composites (WPCs-7> WPCs-8> WPCs-9> WPCs-10). The comprehensive evaluation showed that the mechanical properties (tensile, flexural and impact) and elongation of each specimen decreased with the increasing of the amount of rice straw powder. However, its modulus shows the opposite phenomenon. Among the 20 specimens, the highest values of tensile strength, elongation and flexural strength are those of the No. WPCs-10. And the impact strength is highest in the composition of the No. WPCs-17. The evaluation of the mechanical properties of the 20 specimens in this study showed that they can meet the specifications for indoor use of CNS 15730 "Wood-plastic recycled composites". |
本系統中英文摘要資訊取自各篇刊載內容。