Product Description: Polyvinyl Alcohol 2699
Polyvinyl Alcohol (PVA) 2699 is a high-performance, water-soluble synthetic polymer known for its excellent film-forming, emulsifying, and adhesive properties. It is a white, odorless powder that is soluble in water, making it an ideal choice for various applications across multiple industries. PVA 2699 is characterized by its high degree of hydrolysis, which enhances its chemical resistance and thermal stability. This product is widely used in the production of coatings, adhesives, textiles, and paper products, among others.
Uses of Polyvinyl Alcohol 2699
- Adhesives: PVA 2699 is commonly used in the formulation of adhesives due to its strong bonding capabilities and flexibility.
- Textiles: It serves as a sizing agent in the textile industry, improving the strength and durability of fabrics.
- Paper Coatings: PVA is utilized in paper coatings to enhance surface properties and printability.
- Films and Packaging: The polymer is used to create biodegradable films and packaging materials, contributing to sustainable practices.
- Construction: PVA is employed in construction materials, such as cement and mortar, to improve workability and adhesion.
- Cosmetics: It is also found in cosmetic formulations as a film-forming agent and stabilizer.
Technical Data Details
| Property | Value |
|---|---|
| Appearance | White powder |
| Molecular Weight | 72,000 – 100,000 g/mol |
| Degree of Hydrolysis | 98 – 99% |
| Solubility | Soluble in water |
| Viscosity (1% solution) | 20 – 30 mPa·s |
| pH (1% solution) | 4.5 – 6.5 |
| Glass Transition Temp. | 85°C |
| Melting Point | 230 – 240°C |
| Tensile Strength | 30 – 50 MPa |
| Elongation at Break | 200 – 300% |
Key Features
- Biodegradable: PVA 2699 is environmentally friendly and can decompose naturally.
- Non-toxic: Safe for use in food packaging and cosmetic applications.
- Versatile: Suitable for a wide range of applications across different industries.
- Excellent Film-Forming Ability: Creates strong, flexible films that are resistant to water and chemicals.
Polyvinyl Alcohol 2699 is a versatile and essential material in modern manufacturing and product formulation, making it a valuable asset in various industrial applications.