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普通的FTIR搜尋不支援對該樣品的明確材料鑑定。最近的譜庫名稱是聚(乙烯亞胺),表氯醇修飾,但匹配置信度實際上為零,且沒有直接或相關的文獻證據來確認該特定歸屬。測量光譜更安全地描述為含氮、羥基化或含醚的有機材料,具有脂肪族C-H譜帶和額外的含羰基特徵,與聚合或樹脂樣組分一致,而非可靠鑑定的單一譜庫實體。
建議的下一步: Re-measure the FTIR spectrum with improved baseline quality and broader sample preparation control, especially to confirm the shape and intensity of the 3329, 1728, and 1643 cm-1 bands. Check whether the 1643 cm-1 feature decreases after thorough drying; if it does, adsorbed water is contributing and the remaining functional-group assignment will be clearer. Collect complementary Raman or solid-state NMR data to distinguish polyamine, polyalcohol, and polyether character. If the sample is soluble, use NMR or LC/MS after suitable preparation to determine whether the 1728 cm-1 band comes from ester/carbonyl modification or from a separate additive.
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