Poly(vinyl methyl ether), 50% aqueous solution, also known as PVME, is a thermoresponsive polymer solution used in adhesives, binders, coatings, rheology modification, and specialty polymer formulation. PVME is water-soluble below its cloud point and becomes water-insoluble above approximately 28°C.
Synonyms / related names: PVME; poly(methyl vinyl ether); methyl vinyl ether polymer.
This product is supplied as a 50% aqueous solution with a listed molecular weight of approximately 90,000. Its temperature-responsive solubility behavior makes it useful in research and formulation workflows where phase behavior, film formation, viscosity modification, and polymer compatibility are important.
Researchers, formulators, and industrial users may use poly(vinyl methyl ether) in pressure-sensitive adhesive systems, binder formulations, coatings, personal care and industrial formulations, and stimuli-responsive polymer research.
Key Properties
- Thermoresponsive poly(vinyl methyl ether) solution
- CAS Number: 9003-09-2
- Product Number: 03032
- Synonym: PVME
- Linear Formula: [-CH2CH(OCH3)-]n
- Molecular Weight: ~90,000
- Solids: 50% aqueous solution
- Solids Content Specification: 48.00-52.00%
- Appearance: Viscous liquid
- Glass Transition Temperature (Tg): -34°C
- Water-insoluble above 28°C
- Refractive Index: 1.467
- Density: 1.03
Applications
Adhesives & Binders
Poly(vinyl methyl ether) may be used in adhesive and binder formulations where tack, cohesion, film formation, and polymer compatibility are important performance considerations.
Rheology Modification
PVME may be evaluated as a rheology modifier or formulation additive in personal care, coating, and industrial systems where viscosity and temperature-responsive behavior are relevant.
Coatings & Film-Forming Systems
This polymer solution is useful in coating and film-forming workflows where flexibility, solubility behavior, and compatibility with other formulation components must be evaluated.
Stimuli-Responsive Polymer Research
PVME is commonly used in research involving thermoresponsive polymers, aqueous phase behavior, and temperature-triggered changes in polymer solubility.
Solubility & Compatibility Considerations
- Supplied as a 50% aqueous solution
- Water-soluble below its cloud point and water-insoluble above approximately 28°C
- Listed as soluble in aromatic and chlorinated hydrocarbons, alcohols, esters, and glycols
- Compatibility depends on temperature, concentration, solvent system, additives, and formulation conditions
Final performance should be confirmed under the user’s specific processing conditions, including concentration, temperature profile, substrate, carrier system, and additive package.
Preparation Tips
- Mix thoroughly before use to support uniform solution handling
- Control temperature during formulation when phase behavior is important
- Add gradually with appropriate agitation when blending into aqueous or solvent-based systems
- Run small-scale compatibility and stability trials before production or process transfer
Handling & Storage
- Store at room temperature
- Keep from freezing
- Keep container tightly closed when not in use
- Use only with good ventilation
- Wear protective gloves and chemical goggles
- Avoid breathing mist, vapors, or spray
- Refer to the Safety Data Sheet before handling
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FAQ
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1. What is Poly(vinyl methyl ether), 50% aqueous solution used for?
Poly(vinyl methyl ether), 50% aqueous solution is used in adhesives, binders, coatings, rheology modification, and thermoresponsive polymer research.
2. What is the molecular weight of this PVME product?
The listed molecular weight is approximately 90,000.
3. What is the solids content?
The product is supplied as a 50% aqueous solution, with a specification range of 48.00-52.00% solids content.
4. Is PVME water-soluble?
PVME is water-soluble below its cloud point and is listed as water-insoluble above approximately 28°C.
5. How should Poly(vinyl methyl ether), 50% aqueous solution be stored?
Store the product at room temperature and keep it from freezing. Review the Safety Data Sheet for complete storage, handling, and personal protective equipment guidance.
Safety & Documentation
Poly(vinyl methyl ether), 50% aqueous solution should be handled with good ventilation, protective gloves, chemical goggles, and standard laboratory or industrial safety procedures. The product is classified as harmful if inhaled and may cause skin and eye irritation. Refer to the Safety Data Sheet (SDS) and product specification for complete handling, storage, hazard, and technical information.
