國內使用刨除回收料超過50年，對於其來源、性質以及鋪築時間沒有詳細的紀錄，材料性質的變異性很大，不容易控制鋪面的績效。回收瀝青混凝土(Reclaimed Asphalt Pavement, RAP)中的老化瀝青在服務期間經過環境的作用，使性質與新鮮瀝青產生差異，經由添加還原劑可使老化瀝青的性質改變，但再生劑的種類與成分對於回收瀝青的恢復效果仍不清楚。本研究選用兩種不同老化程度之黏結料，添加不同種類及比例之再生劑與軟化劑於回收瀝青黏結料中，混合期使再生瀝青黏結料(Recycling Asphalt Binder, RAB)達到目標黏度。透過動態剪切流變儀(Dynamic Shear Rheometer, DSR) 、薄層液相層析法之火焰離子檢視器(TLC-FID) 、傅立葉轉換紅外線光譜儀(Fouier Transform Infrared Spectroscopy, FTIR)以及凝膠滲透層析儀(Gel Permeation Chromatogrephy, GPC)以比較RAB與新鮮瀝青(pen 60/70)之物理與化學性質，並建議還原劑之選用與RAB適當的目標黏度。本研究使用校正後的AI MS-2方法計算還原劑添加比例，將黏度單位由poise轉換為centipoise並作圖計算比例，可使黏度值更接近所需目標黏度。質流試驗結果顯示，將還原劑添加於老化瀝青可使RAB複合模數(G*)接近新鮮瀝青，並明顯恢復相位角性質，但RAB性質較新鮮瀝青更具彈性，這表示再生劑無法將黏彈特性完全恢復至與新鮮瀝青相同。此外，添加再生劑可使RAB中的老化官能基Sulfoxide與Carbonyl顯著減少，且隨著再生劑含量增加而降低，說明添加再生劑對於老化瀝青的官能基為一種稀釋作用。添加再生劑能有效調整老化瀝青的組分，其中瀝青精比例可降至接近新鮮瀝青，並提高膠質成分。然而，再生劑可調整老化瀝青的組分，但與新鮮瀝青仍有差異。

In Taiwan, reclaimed asphalt pavement (RAP) has been used over 50 years, but few information was known about the source and the characteristics of these materials. The aged binder of RAP due to the affection of environment, a significant difference in properties between aged and virgin binders, the addittion of recycling agent into the aged binder will recover the properties of aged binders. The reclaimed binder used was extracted from two kinds of RAP, which were different in viscosity. Then mixed reclaimed binder and rejuvenating agent and softening agent by various contents to obtain Recyling Asphalt Binder (RAB) in target viscosity. Dynamic Shear Rheometer (DSR), Thin-layer Chromatography–Flame Ionization Detector (TLC-FID), Fouier Transform Infrared Spectroscopy (FTIR), and Gel Permeation Chromatogrephy (GPC) were used to evaluate the properties of RAB in this study, and the physical and chemical characteristics between RAB and virgin binder (pen 60/70) were compared. In this study, we used the adjustment AI MS-2 method to calculate and decide the content of recycling agents. Rheological result indicated that recycling agents are able to recover complex modulus (G*) and phase angle, but the RAB had lower phase angle, it’s mean recycling agents could not recover all the RAB rheological properties as virgin binder. Besides, the proportion of sulfoxide and carbonyl functionalities will decrease as recycling agent increase. Add rejuvenating agent can effectively adjust the components of aged binder, which can decrease asphaltenes and increase resins. However, rejuvenating agent can adjust the components of aged binder, but there are difference between virgin binder.

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