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題 名 | The Fracture Properties of Thermoplastics Toughened Epoxy Resin=工程塑膠增韌環氧樹脂之破壞特性 |
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作 者 | 施文昌; | 書刊名 | 勤益學報 |
卷 期 | 11 1993.12[民82.12] |
頁 次 | 頁83-91 |
分類號 | 467.4 |
關鍵詞 | 工程塑膠; 破壞特性; 增韌環氧樹脂; |
語 文 | 英文(English) |
中文摘要 | 本文主要探討工程塑膠PC,Phenoxy及blocked PU增韌環氧樹脂之破壞機 構當改變工程塑膠含量時,會呈現不同之裂縫圖形;且增韌的程度受基材與環氧 樹脂的相容性,形成之粒子大小及基材的特性等所影響。從動態實驗中,我們發 現在環氧樹脂中含有10phr的blocked PU或10phr的Phenoxy展現較佳的增韌效果,而 PC增韌環氧樹脂則無顯著的變化。從靜態實驗中,我們也觀察到15phr的blocked PU或10phr的PC展現較佳的增韌結果,但Phenoxy增韌環氧樹脂則無顯著的影響, 此外,我們也藉SEM照片觀察增韌機構中的破壞形態。 |
英文摘要 | The fracture properties of toughenes epox-y by Phenoxy, Polycarbonate andblocked NCO- terminated PU prepolymer were studied. The toughening mecha- nism of the system was investigated. Different crack patterns were observed onspecimens of different plastic contents. The toughness of a toughened material isaffected by the amount of particles, the miscibility of particle and matrix material,and the property of matrix material. Under dynamic condition, the epoxy resincontaining 10 phr blocked NCO- terminated PU prepolymer or 10 phr Phenoxyshowed good toughness. On the other hand, the effect of adding Polycarbonateon toughness of epox-y resin is insignificant. Under quasi-static condition, the besttoughening result of resin by adding blocked NCO-terminated PU prepolymer andPolycarbonate was obtained at 15 phr and 10 phr separately, and the tougheningeffect is insignificant by adding Phenoxy in epoxy. The toughening mechanismwas investigated by examining the fracture morphology with SEM photographs. |
本系統中英文摘要資訊取自各篇刊載內容。