Poly(4-vinylphenol) (PVPh), also known as poly(4-hydroxystyrene), is a phenol-functional vinyl polymer with hydroxyl groups on the aromatic rings. This grade has an approximate molecular weight of 22,000 and a polydispersity of approximately 5.
Synonyms: Poly(4-hydroxystyrene); PVPh.
The phenolic hydroxyl groups participate in hydrogen bonding and other specific intermolecular interactions. Poly(4-vinylphenol) is used in photoresist and thin-film patterning research and is also widely studied in polymer blends where hydrogen bonding influences miscibility and phase behavior.
Key Properties
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Polymer: Poly(4-vinylphenol) (PVPh)
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Product number: 18980
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CAS number: 24979-70-2
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Approximate molecular weight: ~22,000
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Polydispersity: ~5
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Linear formula: [-CH2CH(C6H4OH)-]n
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Glass transition temperature (Tg): 150°C
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Form: Powder
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Storage temperature: Room temperature
Applications
Photoresist & Lithography Research
Poly(4-vinylphenol) is used as a phenolic polymer in photoresist systems. Its hydroxyl-functional aromatic structure is relevant to resist chemistry and lithographic materials research.
Thin-Film Patterning
The ~22,000 MW Polysciences grade has been used as a polymer resist in thin-film patterning research, including patterned thin-film transistor fabrication.
Polymer Blend & Hydrogen-Bonding Studies
PVPh is frequently studied as a hydrogen-bond-donating polymer in investigations of polymer miscibility and specific intermolecular interactions.
Solubility & Compatibility
Poly(4-vinylphenol) is soluble in tetrahydrofuran (THF), lower alcohols, and dioxane.
The phenolic hydroxyl groups can form hydrogen bonds with complementary functional groups in other polymers, making PVPh useful in studies of hydrogen-bonded polymer blends.
Preparation Tips
- Ensure complete dissolution before solution processing or film preparation
- Control drying conditions when comparing thermal measurements because residual solvent or moisture can affect measured glass transition temperature
Handling & Storage
- Store at room temperature
- Handle using standard laboratory practices
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FAQ
Click a question to expand.
1. What is poly(4-vinylphenol)?
Poly(4-vinylphenol) is a phenol-functional vinyl polymer containing pendant aromatic hydroxyl groups. It is also known as poly(4-hydroxystyrene).
2. What is poly(4-vinylphenol) used for?
Poly(4-vinylphenol) is used in photoresist and thin-film patterning research and in studies of hydrogen bonding and miscibility in polymer blends.
3. What does MW ~22,000 mean?
The ~22,000 designation refers to the approximate molecular weight of this poly(4-vinylphenol) grade.
4. Is poly(4-vinylphenol) the same as PVP?
Some sources abbreviate poly(4-vinylphenol) as PVP, but PVP is also widely used for poly(vinylpyrrolidone), a different polymer. PVPh is a clearer abbreviation for poly(4-vinylphenol).
5. What solvents dissolve poly(4-vinylphenol)?
Poly(4-vinylphenol) is soluble in THF, lower alcohols, and dioxane.
Safety & Documentation
Handle poly(4-vinylphenol) using standard laboratory practices. Refer to the Safety Data Sheet (SDS) for complete handling, storage, and safety information.
atings: Applied in biomaterials for improved wettability.
