Poly(4-vinylphenol)

CAS 24979-70-2[CH2CH(C6H4OH)]nOrganic & Printed Electronics

Poly(4-vinylphenol) (CAS: 24979-70-2), with the linear formula [CH2CH(C6H4OH)]n, is a polymer known for its phenolic functionality. It serves as a versatile material in various scientific and industrial applications. Notably, it acts as a substitute for Novolac resins in photoresists, enhances adhesion in hot melt adhesives, and improves heat resistance. Its derivatives also find use as antioxidants and flame retardants.

IUPAC: PVP,Poly(4-hydroxystyrene)
Synonyms: Poly(4-hydroxystyrene)

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Poly(4-vinylphenol) ([CH2CH(C6H4OH)]n) — chemical structure, CAS 24979-70-2; Materials Science, fine chemical supplied by Tech Serve Solutions

BioelectronicsDielectric MaterialsFlexible Organic TransistorsHydrophobic PolymersMaterials SciencePoly(4-vinylphenol) (PVP)Polymer SciencePolymersStyrenes

01 /Applications

Photoresist Technology

Poly(4-vinylphenol) is employed as a substitute for Novolac resins in the formulation of photoresists, crucial for photolithography processes in microelectronics manufacturing.

Adhesives and Coatings

It functions as an adhesion promoter and enhances the thermal resistance of hot melt adhesives. Additionally, it is used for surface treatments in metal finishing applications.

Polymer Modification

This polymer can be incorporated into polymer blends to modify surface characteristics and improve the impact resistance of the resulting materials.

Functional Derivatives

Derivatives of Poly(4-vinylphenol) are utilised in the plastics industry for their properties as antioxidants and flame retardants, contributing to material stability and safety.

Organic Electronics

Poly(4-vinylphenol) is relevant in the field of organic electronics, particularly as a dielectric material for flexible organic transistors (OFETs) and in printed electronics applications.

02 /Properties

Linear formula	[CH2CH(C6H4OH)]n
Density	1.16 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.6
Solubility	alcohols, ethers, ketones and esters: solublearomatics, petroleum ethers and chlorinated hydrocarbons: insoluble
Impurities tested	≤0.2 wt. % Monomer
Application	Substitute for Novolac resins in photoresists, adhesion promoter and improves heat resistance in hot melt adhesives and surface treatment in metal finishing. Derivatives used as antioxidants and flame retardants in plastics. Component of polymer blends to modify surface characteristics and improve impact resistance.
Melting point	360 °C (dec.)

03 /Safety & handling

Protective equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)	3

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

24979-70-2

MDL number

MFCD00147948

PubChem substance

24867290

05 /Additional specifications

Mol Wt	average Mw ~25,000
Transition Temp	Tg 130-185 °C
Intrinsic Viscosity	(α=0.50, k=9.71 × 10-4)

06 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

07 /Frequently asked questions

What is Poly(4-vinylphenol) used for?

Poly(4-vinylphenol) is used as a substitute for Novolac resins in photoresists, as an adhesion promoter and heat resistance enhancer in hot melt adhesives, and for surface treatment in metal finishing. Its derivatives are used as antioxidants and flame retardants in plastics, and it's a component in polymer blends to modify surface characteristics and improve impact resistance. It is also used in bioelectronics and as a dielectric material for organic transistors (OFETs).

What is the CAS number and formula for Poly(4-vinylphenol)?

The CAS number is 24979-70-2, and the linear formula is [CH2CH(C6H4OH)]n.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Poly(4-vinylphenol) with an average molecular weight (Mw) of approximately 25,000 and a monomer impurity of no more than 0.2 wt. %. TSS does not represent this product as USP, BP, or EP grade.

What are the safety and handling precautions for Poly(4-vinylphenol)?

When handling Poly(4-vinylphenol), it is essential to wear eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The material has a flash point of 360 °C (dec.). Ensure adequate ventilation and avoid contact with skin and eyes.

How is Poly(4-vinylphenol) packed, shipped, and exported?

Tech Serve Solutions can cater to various packing requirements for domestic and international shipments and exports, ensuring safe and compliant transport of chemicals globally.

How can I request a sample or a quote for Poly(4-vinylphenol)?

To request a sample or a quote, please contact the Tech Serve Solutions sales team through our website or by phone. Provide the product name, CAS number, and desired quantity.