CAS 9003-09-2 Vinyl Methyl Ether Polymer 50% Poly PVEM Polyvinylmethyether CAS NO.9003-09-2

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CAS 9003-09-2 Vinyl Methyl Ether Polymer 50% Poly(Vinyl Methyl Ether) PVEM Polyvinylmethyether

 

Description

 

Poly(vinyl methyl ether) (PVME) is a polymer that belongs to the family of vinyl ethers. It is a synthetic polymer composed of repeating units of vinyl methyl ether (VME). PVME is a thermoplastic material with a wide range of applications.

Here is some information about PVME:

Chemical structure: PVME is a polymer formed by the polymerization of vinyl methyl ether monomer units, which have the following structure: CH2=CHOCH3.

 

Properties:

1. Solubility: PVME is highly soluble in a variety of organic solvents, including alcohols, ketones, ethers, and chlorinated solvents. It is also soluble in water, although its solubility decreases with increasing molecular weight.

2. Transparency: PVME is typically a clear and transparent polymer, allowing for optical applications.

3. Film-forming: PVME can be cast into films of varying thicknesses, making it suitable for coating applications.

4. Thermal stability: PVME exhibits good thermal stability, with a glass transition temperature (Tg) typically in the range of 45-55°C. The actual Tg can be influenced by the molecular weight of the polymer.

Applications:

1. Adhesives: PVME is used as a component in adhesives due to its film-forming properties and good adhesion to various substrates. It can be found in applications such as packaging, labeling, and tape.

2. Coatings: PVME is used as a binder in coatings to improve adhesion and film formation. It can be found in applications such as paints, varnishes, and protective coatings.

3. Controlled Release Systems: PVME has been investigated for its use in controlled release systems for pharmaceuticals and other active ingredients. Its solubility and film-forming properties make it suitable for encapsulating and delivering substances over time.

4. Optical Films: PVME's transparency and film-forming capabilities make it useful for optical applications. It can be used as a component in optical films, such as anti-reflective coatings and protective layers for displays.

5. Personal Care Products: PVME can be found in personal care products, including hair styling products, where it provides film-forming properties and helps hold hairstyles in place.

 

 

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