本研究目的是以不同裂解溫度與硝酸銀濃度進行連續式鍍銀加工，探討加工後銀粒子在活性碳纖維布(Activated Carbon Fabric,ACF)表面之分佈、銀離子還原為金屬銀能力、鍵結情形。實驗過程中，利用嫘縈系針織布作為前驅體，經過耐燃劑(硫酸銨95%+磷酸氫二銨5%)浸漬壓吸後，喂布及喂出羅拉將速率控制在20cm/min，定速將前驅體喂入直立式高溫爐(High Temperature Furnace)，以水與空氣為活化源，經過氧化、碳化與活化工程後，經捲布羅拉喂出，完成連續式製程，製備出具有良好吸附性能與高比表面積之活性碳纖維布。接著，改變硝酸銀濃度與鍍銀裂解溫度，以直立式氧化爐進行後道鍍銀加工(Supporting Silver Finishing)，製備出鍍銀活性碳纖維布(ACF-Ag)。
研究結果顯示，鍍銀前碳纖維布之比表面積超過2000m2/g，對四氯化碳吸附率達98%。在含氧官能基方面所佔的比例也最廣，含碳元素【C】也最多，而鍍銀加工之後，在原有的ESCA的圖譜中出現了銀的訊號峰，表示銀離子確實還原成金屬銀，經由與官能基的疊圖顯示，活性碳纖維上主要的官能基以-C-H為主，其次是-OH，而含氧官能基的多寡顯示出銀離子還原成金屬銀的能力。而在ACF-Ag等溫吸附方面，鍍銀之後曲線降低，比表面積降為1776 m2/g。在溫度以及濃度的影響，經由SEM可以知道，裂解溫度在400℃、硝酸銀濃度為0.1M的鍍銀條件下，發現銀顆粒分佈最均勻，同時顆粒也較小，在ESCA的測試下也發現在此鍍銀條件製程下，含氧官能基較多，同時O/C以及Ag/C的元素比值也最高，顯示此鍍銀製程條件下，銀離子還原成金屬銀的能力最好。

A study examined the chemical properties and microstructure of continuous silver-sputtered viscose rayon-based activated carbon fabrics (ACF). Viscose rayon-based knitted fabrics were first immersed in composite flame retardant reagent (ammonium sulfate and di-ammonium hydrogen phosphate at a ratio of 95:5) to become the precursor. The pre-treated fabrics were then fed into an erect high-temperature furnace at a constant rate of 20cm/min and underwent a series of oxidization, carbonization and activation under steam and air to produce ACF with good absorption and large BET surface area. The ACF were further processed by supporting silver into ACF-Ag under different concentrations of silver nitric and different decomposition temperatures to examine the distribution of silver particles, the restoration capacity of silver ions into metal silver and Linking type
Experimental results showed that the ACF before silver sputtering had BET surface area exceeding 2000m2/g, absorption rate of CCl4 reaching 98%, a higher ratio of functional groups containing oxygen and the maximum carbon content. After silver sputtering, the original ESCA showed peak signals of silver, indicating that the silver ions had indeed restored into metal silver. Comparing the overlay of functional groups revealed that viscose rayon-based ACF was composed mainly of -C-H, followed by -OH. ACF-Ag was also found to have lower isotherm and reduced BET surface area of 1776m2/g. SEM analysis revealed that under decomposition temperature of 400C and silver nitric concentrations of 0.1M, the silver particles were of smaller size and more even distribution. ESCA testing results also showed that the more the functional groups containing oxygen and the higher the 【O】/【C】and 【Ag】/【C】ratios, the better the restoration capcity of silver ions into metal silver was.

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