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目前的FTIR證據無法可靠地將樣品鑑定為聚(乙烯基苄基氯化銨),因為譜庫匹配置信度低,且沒有直接或相關的文獻來源獨立支持該歸屬。觀察到的光譜更合理地描述為含氧聚合物材料,顯示寬O-H譜帶、酯或酸樣羰基譜帶、脂肪族C-H伸縮以及多個與C-O聚合物結構一致的指紋區譜帶。僅憑現有證據,無法從化學上可靠地歸屬到特定的銨鹽聚合物。
建議的下一步: Recollect the FTIR spectrum with improved signal quality and baseline control, ideally including the full 4000-400 cm-1 range and relative band intensities. Check specifically for confirming bands that would separate carboxylic acid, ester, anhydride, and alcohol-rich polymers, especially in the 1800-1500 and 1300-900 cm-1 regions. If Poly(vinylbenzylammonium chloride) remains of interest, look for independent evidence of aromatic ring modes and ammonium-associated features using a higher-quality spectrum and comparison to an authenticated reference. Complement FTIR with Raman, elemental analysis, or XPS to test for nitrogen and possible counterion content; this would help confirm or reject an ammonium-containing polymer assignment.
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