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نتیجہ صفحہ

sulfur-containing polymer or polymer mixture with ether/acetal-like and fingerprint-region C-H features

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نتیجہ نمبر: 20250312161331967161214 مالک: publicuser تبصرے: 0
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FTIR ANALYSIS REPORT

FTIR Spectrum Analysis Report

No.: 20250312161331967161214 Date: 2025-03-12 10:44:52 Reported by: FTIR.fun Contact: [email protected]

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Top15

Similarity-ranked Top-15 library comparison

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Top 15 candidates

Reference library candidates

Rank Match % Compound Name Formula / SMILES Library preview Action
Reference candidates load with this Top-15 workbench.

Based on the library matches and evidence above.

Conclusion

sulfur-containing polymer or polymer mixture with ether/acetal-like and fingerprint-region C-H features

General assessment
-
#40754 Initial rank 1 Current rank 1 Library lead match 0.0%
Conclusion
  1. The library nearest match is Polysulfide polyethylene polyformal polymer, and additional high-ranking entries include Polysulfide crude, mercaptan terminated and 2- COMPONENT POLYSULFIDE.
  2. The 1007 cm-1 feature is consistent with an organic polymer containing C-O linkages, which is compatible with formal/acetal-type polymer components suggested by the library pattern.
  3. The fingerprint-region bands are compatible with an organic polymeric sample rather than a simple small molecule assignment.
Main limitation

All listed top-library similarities are 0.000, so the retrieval does not provide reliable direct identification strength.

Evidence & interpretation
Evidence

Key evidence

لائبریری معروف مماثلت
Polysulfide polyethylene polyformal polymer #40754 | match 0.0%
مواد کی سمت
sulfur-containing polymer or polymer mixture with ether/acetal-like and fingerprint-region C-H features The current FTIR evidence does not support a firm material identification. The nearest library hit is Polysulfide polyethylene polyformal polymer, but the match quality is effectively non-discriminating, and the sample shows only three reported bands at 728, 774, and 1007 cm-1. Those bands are compatible with a sulfur-containing organic polymeric material and may also be consistent with ether or acetal-type C-O stretching in the 1007 cm-1 region, but the available evidence is too limited to justify a specific polymer assignment.
Support

Evidence supporting the conclusion

Only sample-relevant statements that support the present conclusion are shown here.

  1. The current FTIR evidence does not support a firm material identification. The nearest library hit is Polysulfide polyethylene polyformal polymer, but the match quality is effectively non-discriminating, and the sample shows only three reported bands at 728, 774, and 1007 cm-1. Those bands are compatible with a sulfur-containing organic polymeric material and may also be consistent with ether or acetal-type C-O stretching in the 1007 cm-1 region, but the available evidence is too limited to justify a specific polymer assignment.
  2. The library nearest match is Polysulfide polyethylene polyformal polymer, and additional high-ranking entries include Polysulfide crude, mercaptan terminated and 2- COMPONENT POLYSULFIDE.
  3. The 1007 cm-1 feature is consistent with an organic polymer containing C-O linkages, which is compatible with formal/acetal-type polymer components suggested by the library pattern.
  4. The fingerprint-region bands are compatible with an organic polymeric sample rather than a simple small molecule assignment.
  5. The reported spectrum contains only three listed peaks, all in the fingerprint region: 728, 774, and 1007 cm-1.
  6. The top library candidate is Polysulfide polyethylene polyformal polymer, and several other leading candidates also include polysulfide or polymeric materials.
  7. A broader pattern in the top library list includes sulfur-containing materials, formal/acetal-type polymers, and some inorganic silicate entries, indicating poor specificity rather than a single clean chemical class.
  8. The 1007 cm-1 band is compatible with C-O single-bond stretching often seen in ether- or acetal-containing polymers, which is qualitatively consistent with polyformal-like chemistry.
  9. The pair of lower-wavenumber bands at 728 and 774 cm-1 falls in a region commonly influenced by skeletal, C-H deformation/rocking, or substituted-chain fingerprint vibrations, but these peaks alone are not uniquely identifying.
Limitations

Evidence that limits the conclusion

  • All listed top-library similarities are 0.000, so the retrieval does not provide reliable direct identification strength.
  • The sample lacks reported higher-information bands such as clear O-H, C=O, C-H stretching, S-H, or distinctive aromatic-region features that would be needed to support a narrow assignment.
  • Some top-15 candidates imply nitrogen-containing or chlorinated chemistry, but the reported peak set does not provide direct support for those required groups.
  • Silicate-containing candidates also appear in the top-15 list, showing that the retrieval pattern is mixed and not chemically specific.
  • It remains uncertain whether the sample is a single sulfur-containing polymer, a blended formulation, or a polymer plus inorganic filler.
  • The present peaks do not distinguish confidently between polysulfide-rich material, polyformal/poly(vinyl formal)-like material, or a more general sulfur-containing polymer mixture.
  • Without additional bands outside the fingerprint region, the role of sulfur, ether/acetal functionality, and any fillers or additives cannot be confirmed.
Recommendation

Suggested next verification

  • Reacquire the FTIR spectrum over the full mid-IR range with a good signal-to-noise ratio and report all major bands, especially 4000-1200 cm-1 as well as the full fingerprint region.
  • Check specifically for characteristic bands that would strengthen or reject the current direction: C-H stretches near 2850-2960 cm-1, O-H near 3200-3600 cm-1, carbonyl near 1650-1750 cm-1, and additional C-O/C-O-C bands in the 900-1200 cm-1 region.
  • Inspect the 600-700 cm-1 region for stronger sulfur-related skeletal features and the 1000-1150 cm-1 region for a fuller ether/acetal pattern.
  • If the sample may be formulated, use complementary methods such as Raman spectroscopy, SEM-EDS for sulfur and inorganic fillers, and if possible pyrolysis-GC/MS to separate polymer-binder and additive contributions.
Peak analysis

Detected peaks and interpretation

★ = Literature-supported peak assignment.

Index Characteristic Wavenumber Absorbance Evidence One-line interpretation Citation Confidence
1 · 1007 1.00 - - - -
2 · 774 0.49 - - - -
3 · 728 0.46 - - - -
Appendix

Sample information and raw spectrum

Original uploaded spectrum for reference and verification.

Baseline correction method: Asymmetric Least Squares Smoothing

The wavelength range for analysis(cm-1): [(650, 4000)]

Raw spectrum without baseline correction or other processing:

Sample spectrum image
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