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fluorinated hydrocarbon material, possibly a fluoropolymer or fluorocarbon-containing organic material

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結果編號: 20250514140928925533644 擁有者: publicuser 評論: 0
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FTIR ANALYSIS REPORT

FTIR Spectrum Analysis Report

No.: 20250514140928925533644 Date: 2025-05-14 18:10:44 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

fluorinated hydrocarbon material, possibly a fluoropolymer or fluorocarbon-containing organic material

General assessment
-
#13563 Initial rank 1 Current rank 1 Library lead match 0.0%
Conclusion
  1. The leading library cluster is dominated by fluorinated materials, supporting a fluorinated chemical direction.
  2. Bands at 1160-1182 cm-1 are characteristic of a fluorine-substituted organic or polymeric environment.
  3. C-H stretching bands near 2812 and 2943 cm-1 support a hydrocarbon component, which is compatible with partially fluorinated organic material.
Main limitation

The top library hit has 0.000 similarity, so the named match itself is not strong evidence for that exact material.

Evidence & interpretation
Evidence

Key evidence

資料庫主要匹配
TETRAFLUOROETHYLENE/ETHYLENE COPOLYMER #13563 | match 0.0%
材料方向
fluorinated hydrocarbon material, possibly a fluoropolymer or fluorocarbon-containing organic material The ordinary FTIR search does not support a firm compound-level identification for this sample. The nearest library name is TETRAFLUOROETHYLENE/ETHYLENE COPOLYMER, but all reported library similarities are 0.000 and there is no direct reference or related-literature confirmation. The observed spectrum does contain bands in the 1160-1182 cm-1 region and several strong fingerprint-region absorptions that are compatible with C-F-containing material, while the C-H stretching bands near 2812 and 2943 cm-1 indicate a hydrocarbon component. A broad band near 3342 cm-1 suggests an N-H or O-H containing contribution, which is not a clean fit to a simple fluoropolymer assignment. Taken together, the chemically supportable conclusion is a broader fluorinated hydrocarbon direction rather than a secure identification as the top library entry.
Support

Evidence supporting the conclusion

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

  1. The ordinary FTIR search does not support a firm compound-level identification for this sample. The nearest library name is TETRAFLUOROETHYLENE/ETHYLENE COPOLYMER, but all reported library similarities are 0.000 and there is no direct reference or related-literature confirmation. The observed spectrum does contain bands in the 1160-1182 cm-1 region and several strong fingerprint-region absorptions that are compatible with C-F-containing material, while the C-H stretching bands near 2812 and 2943 cm-1 indicate a hydrocarbon component. A broad band near 3342 cm-1 suggests an N-H or O-H containing contribution, which is not a clean fit to a simple fluoropolymer assignment. Taken together, the chemically supportable conclusion is a broader fluorinated hydrocarbon direction rather than a secure identification as the top library entry.
  2. The leading library cluster is dominated by fluorinated materials, supporting a fluorinated chemical direction.
  3. Bands at 1160-1182 cm-1 are characteristic of a fluorine-substituted organic or polymeric environment.
  4. C-H stretching bands near 2812 and 2943 cm-1 support a hydrocarbon component, which is compatible with partially fluorinated organic material.
  5. The retrieved top library name is TETRAFLUOROETHYLENE/ETHYLENE COPOLYMER, but the match quality is very weak because the top candidates all carry 0.000 similarity.
  6. The Top-15 library pattern includes several fluorinated entries such as FLUOROCARBON, FLUOROPOLYMER, trifluoroacetyl-containing compounds, and chlorofluorinated molecules, so fluorine-containing chemistry is the main recurring library theme.
  7. Sample bands at 1160 and 1182 cm-1 are consistent with absorptions often seen from C-F-containing structures, supporting a fluorinated-material direction.
  8. Bands at 2812 and 2943 cm-1 support aliphatic C-H stretching, indicating that the sample is not composed solely of fully fluorinated carbon framework.
  9. The band at 3342 cm-1 points to an N-H or O-H containing contribution, which limits confidence in assigning the sample directly to a simple fluoropolymer such as the top library name.
  10. Additional fingerprint bands at 769, 837, 935, 957, 1006, 1041, 1054, 1307, and 1458 cm-1 show a structured spectrum, but without reliable reference support they do not uniquely establish a single material identity.
Limitations

Evidence that limits the conclusion

  • The top library hit has 0.000 similarity, so the named match itself is not strong evidence for that exact material.
  • No related-literature evidence supports a narrower material conclusion.
  • The broad 3342 cm-1 band suggests N-H or O-H functionality, which is not expected for a clean tetrafluoroethylene/ethylene copolymer assignment on its own.
  • It is unclear whether the 3342 cm-1 feature belongs to the main material, surface contamination, absorbed moisture, or an additive.
  • The present evidence cannot distinguish confidently between a fluoropolymer, a fluorocarbon-containing organic material, or a mixture involving a fluorinated component.
  • Because no reliable literature-linked reference match is available, the exact identity and formulation remain uncertain.
Recommendation

Suggested next verification

  • Re-run the FTIR with careful background subtraction and drying/cleaning of the sample to test whether the 3342 cm-1 band persists.
  • Compare the sample specifically against authenticated fluoropolymer references, including ETFE-type materials and other partially fluorinated polymers, rather than relying on the weak general library search alone.
  • Check for polymer-characteristic thermal behavior by DSC or TGA to determine whether the sample behaves like a fluoropolymer.
  • If composition confirmation is important, use XPS or elemental analysis to verify fluorine content and to assess whether nitrogen or oxygen is truly present.
Peak analysis

Detected peaks and interpretation

★ = Literature-supported peak assignment.

Index Characteristic Wavenumber Absorbance Evidence One-line interpretation Citation Confidence
1 · 1182 1.00 - - - -
2 · 1041 0.90 - - - -
3 · 1054 0.86 - - - -
4 · 1160 0.82 - - - -
5 · 1006 0.69 - - - -
6 · 769 0.34 - - - -
7 · 2812 0.26 - - - -
8 · 837 0.20 - - - -
9 · 1307 0.19 - - - -
10 · 935 0.18 - - - -
11 · 957 0.16 - - - -
12 · 2943 0.14 - - - -
13 · 1458 0.13 - - - -
14 · 3342 0.10 - - - -
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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