請查看上方報告。如果需要後續討論,請使用下方的評論。
當前的FTIR證據過於有限,無法進行可靠的物質級識別。譜庫頂級匹配是多硫化物聚乙烯聚縮醛聚合物,但所有報告的譜庫相似度均為0.000,且沒有直接參考文獻或相關文獻證據確認該歸屬。僅有約728、774和1007 cm-1的峰,最可支持的結論是廣泛的含硫聚合物或聚合物混合物,可能具有醚/縮醛型C-O鍵結,而非特定的命名聚合物。
建議的下一步: Recollect a full FTIR spectrum over the standard mid-IR range and verify whether additional characteristic bands are present, especially in the C-H stretching, carbonyl, and sulfur-related fingerprint regions. Compare the sample directly against authenticated spectra of polysulfide polymer, mercaptan-terminated polysulfide, poly(vinyl formal), and poly(vinyl butyral) to test whether the 1007 cm-1 feature belongs to an ether/acetal polymer backbone. If the material may be a sealant or composite, examine inorganic filler content by ATR-FTIR focusing on silicate bands and confirm with elemental analysis such as XRF or EDS for sulfur, chlorine, silicon, magnesium, and phosphorus. Use Raman spectroscopy or sulfur-sensitive elemental testing to determine whether sulfur-containing chain/linkage chemistry is genuinely present.
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