How can you identify HPMC from FTIR?
This page summarizes the recurring FTIR evidence reported for HPMC, including the most frequent peaks, supporting functional groups, and literature-backed interpretation patterns. It is a structured evidence page, not a claim of automatic single-spectrum certainty.
Backed by 13 cited sources
Quick answer
HPMC is usually reported with a recurring pattern of peaks and functional-group evidence. The most useful approach is to cross-check at least two characteristic peaks before treating it as a match, then verify whether the full spectrum still fits the same material family.
Peak interpretation
Possible materials / groups
| 작용기 | 증거 |
|---|---|
| Hydroxyl (O-H) | 16 |
| Methacrylate | 10 |
| Carbonyl (C=O) | 10 |
| Acetate | 10 |
| Ketone | 8 |
| Carboxyl (COOH) | 8 |
| Methoxy (OCH3) | 8 |
| N h | 8 |
Spectrum logic
The logic here is evidence aggregation: repeated literature mentions of HPMC, repeated peak positions, and repeated functional-group associations. A strong material hypothesis should still be supported by multiple peaks that agree with each other, not by one headline band alone.
Real-world usage
This page is designed for polymer identification, incoming-material QC, unknown plastic analysis, recycled-content review, and literature-backed interpretation of reference spectra.
Common mistakes
- Calling a material match too early because one famous peak is present.
- Ignoring sample prep, fillers, oxidation, water, or additives that can change the apparent pattern.
- Using literature evidence without checking whether your own sampling mode and spectrum quality are comparable.
Verification advice
Use DSC, GC-MS, or TGA to validate the material hypothesis when the peak pattern is ambiguous or mixed.
Literature behind this page
-
신뢰도 4.7
HPMC
Polymeric/Dextran Wafer Dressings as Promising Long-Acting Delivery Systems for Curcumin Topical Delivery and Enhancing Wound Healing in Male Wistar Albino Rats DOI: 10.3390/ph16010038 -
신뢰도 4.7
HPMC
Physicochemical characterization of solid dispersions of three antiepileptic drugs prepared by solvent evaporation method DOI: 10.1211/jpp.59.5.0004 -
신뢰도 4.7
HPMC
Kumar 等 - 2022 - Influence of KI salt concentration on the hydroxyp DOI: 10.21203/rs.3.rs-770530/v1 -
신뢰도 4.7
HPMC
Nanocrystals of Mangiferin Using Design Expert: Preparation, Characterization, and Pharmacokinetic Evaluation DOI: 10.3390/molecules28155918 -
신뢰도 3.5
HPMC
Zheng 等 - 2021 - Controlled Release of Curcumin from HPMC (Hydroxyp DOI: 10.1155/2021/7625585 -
신뢰도 2.7
HPMC
Fabrication and incompatibility evaluation of a novel modified release delivery of drugs in combination; using the software DD DOI: 10.5897/AJPP12.349 -
신뢰도 2.7
HPMC
Latif 等 - 2022 - Formulation and Evaluation of Hydrophilic Polymer DOI: 10.3390/polym14071310 -
신뢰도 2.7
HPMC
Rani 等 - 2021 - Development, Evaluation, and Molecular Docking of DOI: 10.3390/pharmaceutics13101727 -
신뢰도 2.7
HPMC
Sonali 等 - 2010 - Silymarin-solid dispersions Characterization and DOI: 10.2478/v10007-010-0038-3 -
신뢰도 0.9
HPMC
Chen 等 - 2020 - Solubility Improvement of Progesterone from Solid DOI: 10.3390/polym12040854
Upload your FTIR spectrum
Get AI-based polymer identification and peak-by-peak interpretation from your own spectrum.