本研究主要分為兩部分，第一個部分是混摻(polymer blend)環氧樹脂(epoxy resin)、壓克力核殼粒子(PMMA Core-shell powder)以達到增韌效果，改善其耐衝擊性。首先以熱示差分析儀(DSC)分析交聯反應速度(curing rate)及加工條件，再以彎曲試驗、硬度試驗、拉伸強度試驗，做一系列對於物理機械強度的探討；接著，以粒子分散性分析儀(LUMICIZER)及粒子界面特性分析儀(Acorn Area)探討粒子在EPOXY溶液裡的穩定性及分散性；在以熱動態機械分析儀(DMA)可得知其相容性，以熱重損失分析(TGA)探討其耐熱性的變化，透過IZOD衝擊試驗確認衝擊性能的改變，最後再利用掃描式電子顯微鏡觀察其斷面斷裂情形觀察其增韌機制。
第二部分，環氧樹脂/砂漿複合材透過加速老化之研究去測量其壽命，將成型好的拉伸試片與彎取試片分別放置再三個不同溫度(95℃,180℃,200℃)的烘箱裡，每隔一段時間取出，測量其拉伸強度與彎曲強度的變化並推測其壽命。

There are two subjects in this research.In the first part,we mix up epoxy resin with the PMMA core-shell powder to toughen it and improve its impact strength.First,we used dynamic scanning calorimetry (DSC) to determine processing time and curing rate.With doing the bending test,hardness test, tensile test,we can know its mechnical properties.After that,we used Lumicizer and Acorn area to testify the stability and dispersibility of the powder in Epoxy.And through doing Dynamic Mechanical Analysis(DMA),we can investigate its miscibility.To know the quality of the thermal resistance,we use thermal gravimetric analysis(TGA) to test it.After that,doing the izod impact test can help us check wheather it really toughens or not. Finally,we observe phase separation and toughing mechanism by scanning electronic microscopy (SEM).
In the second part,we measure the effective duration of epoxy/sand composite through accelerating aging test.We put the testing samples in the oven with 3 different temperature(95℃,180℃,200℃).Take them out every once in a while and do the tensile and bending test.Through the test,we can infer the effective duration of the epoxy/sand composite.

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