As a supplier of PVP/VA 64, I am often asked whether this product can be used in water-based formulations. This question is not only relevant to the practical applications of PVP/VA 64 but also has significant implications for industries that rely on water-based solutions, such as cosmetics, pharmaceuticals, and coatings. In this blog post, I will delve into the properties of PVP/VA 64, explore its compatibility with water-based systems, and discuss the potential applications and benefits of using it in such formulations.
Understanding PVP/VA 64
PVP/VA 64 is a copolymer of polyvinylpyrrolidone (PVP) and vinyl acetate (VA). The "64" in its name indicates the ratio of vinyl pyrrolidone (VP) to vinyl acetate (VA) in the polymer, with a 60:40 ratio of VP to VA. This specific ratio gives PVP/VA 64 unique properties that make it suitable for a wide range of applications.
The properties and differentiation of PVP/VA copolymers are determined by the VP/VA ratio in the polymer. For more detailed information on this topic, you can refer to PVP/VA Series 25086-89-9 Properties and Differentiation Are Determined by the VP/VA Ratio in the Polymer. PVP, the first component of the copolymer, is a water-soluble polymer known for its excellent film-forming properties, adhesion, and solubility in both water and organic solvents. VA, on the other hand, contributes to the copolymer's flexibility, hydrophobicity, and compatibility with other polymers.
The combination of PVP and VA in PVP/VA 64 results in a polymer that combines the best of both worlds. It has good solubility in water, which is a crucial factor for use in water-based formulations. At the same time, it offers enhanced film-forming properties, adhesion, and flexibility compared to pure PVP.
Compatibility with Water-Based Formulations
One of the key advantages of PVP/VA 64 is its excellent compatibility with water-based systems. This is due to the presence of the hydrophilic PVP component in the copolymer. PVP contains amide groups that can form hydrogen bonds with water molecules, allowing the polymer to dissolve readily in water.
When PVP/VA 64 is added to a water-based formulation, it can form a stable solution or dispersion. The copolymer can act as a thickener, emulsifier, or stabilizer, depending on the specific formulation and application. For example, in cosmetic formulations, PVP/VA 64 can be used to thicken lotions and creams, improve the stability of emulsions, and enhance the adhesion of the product to the skin.
In addition to its solubility and thickening properties, PVP/VA 64 also has good compatibility with other ingredients commonly used in water-based formulations. It can be easily blended with surfactants, polymers, and other additives without causing phase separation or other stability issues. This makes it a versatile ingredient that can be used in a wide range of water-based products.
Applications in Water-Based Formulations
PVP/VA 64 has a wide range of applications in water-based formulations across various industries. Here are some of the most common applications:
Cosmetics
In the cosmetics industry, PVP/VA 64 is widely used in hair care products, skin care products, and makeup. In hair care products, it can be used as a hair fixative to provide long-lasting hold and style. It forms a flexible film on the hair, which helps to keep the hair in place without making it stiff or sticky.
In skin care products, PVP/VA 64 can be used as a thickener and emulsifier. It helps to improve the texture and stability of lotions and creams, making them easier to apply and more pleasant to use. It can also enhance the adhesion of the product to the skin, providing a longer-lasting effect.
In makeup, PVP/VA 64 can be used in products such as mascara, eyeliner, and lipstick. It helps to improve the adhesion and durability of the makeup, preventing it from smudging or fading throughout the day.
Pharmaceuticals
In the pharmaceutical industry, PVP/VA 64 is used in a variety of drug delivery systems. It can be used as a binder in tablet formulations to improve the compressibility and disintegration of the tablets. It can also be used as a film-coating agent to protect the drug from moisture and light, and to control the release of the drug.
In addition, PVP/VA 64 can be used in topical pharmaceutical formulations, such as creams and ointments. It helps to improve the solubility and stability of the active ingredients, and to enhance the adhesion of the formulation to the skin.
Coatings
In the coatings industry, PVP/VA 64 can be used in water-based paints and coatings. It can act as a thickener, binder, and dispersant, improving the viscosity, adhesion, and stability of the coating. It can also enhance the gloss and durability of the coating, making it more resistant to abrasion and weathering.


Benefits of Using PVP/VA 64 in Water-Based Formulations
There are several benefits of using PVP/VA 64 in water-based formulations:
Excellent Film-Forming Properties
PVP/VA 64 forms a flexible and durable film on the surface of the substrate. This film provides a protective barrier, preventing moisture, oxygen, and other contaminants from reaching the substrate. It also improves the adhesion and durability of the formulation, making it more resistant to wear and tear.
Good Solubility and Compatibility
As mentioned earlier, PVP/VA 64 has excellent solubility in water and good compatibility with other ingredients commonly used in water-based formulations. This makes it easy to incorporate into a wide range of products without causing any stability issues.
Versatility
PVP/VA 64 can be used in a variety of applications across different industries. Its unique properties make it suitable for use as a thickener, emulsifier, stabilizer, binder, and film-coating agent, among other things.
Environmental Friendliness
Water-based formulations are generally considered to be more environmentally friendly than solvent-based formulations. By using PVP/VA 64 in water-based formulations, manufacturers can reduce their environmental impact and meet the growing demand for sustainable products.
Conclusion
In conclusion, PVP/VA 64 is a versatile and effective ingredient that can be used in a wide range of water-based formulations. Its excellent solubility, film-forming properties, and compatibility with other ingredients make it a popular choice in industries such as cosmetics, pharmaceuticals, and coatings.
If you are interested in using PVP/VA 64 in your water-based formulations, I encourage you to contact me to discuss your specific requirements. We can provide you with samples and technical support to help you achieve the best results.




