Polyvinyl alcohol (PVA ) is a versatile and widely used polymer used in various industries such as construction, textile, paper and agriculture. Polyvinyl alcohol (PVA) is a heavy polymer that usually appears as a non-toxic, tasteless and non-polluting white or pale yellow flocculent, flaky, granular or powder. This polymer is a water-soluble resin with good chemical stability and has good adhesion, film-forming, insulation, oil resistance, and wear resistance. However, does PVA have the necessary performance or not? In this comprehensive guide, we examine the various aspects of purchasing polyvinyl alcohol, its properties and uses.
If you are looking for more details, kindly visit Haoshuo.
Polyvinyl alcohol is a nonionic polymer with high molecular weight and soluble in water. It is known for its excellent solubility and adhesive properties. “” in its name indicates its average polymerization degree and hydrolysis level. It is in the normal molecular weight range of 20,000 to 30,000. Next, let’s check the features of PVA .
Due to its relatively low molecular weight, PVA exhibits excellent solubility in water. For this reason, it allows easy formation of uniform solutions. This feature is preferred for its safety in water-based solution applications.
Polyvinyl alcohol can be dissolved in some organic solvents such as methanol and ethanol. Because it offers more flexibility and application choices. This feature is useful in scenarios where water-based solutions may not be suitable.
During the drying process, PVA forms colloidal solutions rapidly and exhibits strong adhesive properties. This property makes it suitable for adhesive preparation and ensures safety in bonding applications.
An important safety feature of PVA is its ability to rapidly hydrolyze and degrade in the natural environment, which minimizes its risk to the ecosystem.
Polyvinyl alcohol is a special type of polyvinyl alcohol polymer with unique properties. PVA is a water-soluble synthetic polymer obtained by polymerization of vinyl acetate. PVA has properties that make it suitable for various industrial applications. Here are several uses of polyvinyl alcohol:
Polyvinyl alcohol is widely considered a key component in the formulation of adhesives. This adhesion is used on different levels and often in woodworking, paper gluing and packaging. PVA adhesives are recognized for their strong bonding capabilities, flexibility, and user-friendliness.
PVA is a surface measuring agent in the paper industry. It improves the surface properties of paper and increases its printing ability, smoothness and ink absorption. Papers coated with PVA are often used for high quality printing.
In the textile industry, PVA is a measuring agent for yarns. It gives strength and flexibility to the thread and facilitates the weaving process. In addition, the size of PVA increases the fabric’s resistance to wear.
Polyvinyl alcohol is used in the construction industry as an additive in cement and mortar formulations. It increases the adhesion of these materials to different surfaces and improves their strength and durability. PVA is often added to tile adhesives, joint compounds, and plaster.
PVA is a precursor in the production of polyvinyl acetate (PVAc) through emulsion polymerization. PVAc is used in the manufacture of various products including paints, coatings and adhesives.
PVA films derived from PVA are used in the packaging industry. These films are water soluble and are used to package water soluble detergent pods, agrochemicals and other products where controlled release or easy dissolution capability is required.
Water-soluble PVA films are used in the medical and pharmaceutical industries for applications such as dissolvable packaging for drugs and capsules. These films offer a convenient and safe method for administering specific types of medications.
PVA is used in the formulation of coatings and resins and contributes to their film-forming properties. This is especially important in the production of water-based paints, varnishes and other coating materials.
Polyvinyl alcohol can be used instead of a mold release agent in the production of some molded products. Its water-soluble nature makes it easy to release from the mold and facilitates the manufacturing process.
Polyvinyl alcohol is one of the most widely used types of synthetic resins. Due to its unique characteristics, it is used in various industries including textiles, adhesives, polymer films and paper products. This material is particularly important with its high adhesive strength, resistance to solvents and water solubility. In the following, we will examine the key points for purchasing this product to ensure that you choose the best quality and most affordable options.
Polyvinyl alcohol is used in textile, adhesive, paper, cosmetics, construction and many other industries. If you need more information to buy polyvinyl alcohol, contact our experts at Aref Shimi.
Polyvinyl alcohol is used in various laboratories and industries. The supply of this material is in powder form and has unique characteristics. When buying polyvinyl alcohol, pay attention to the quality and purity of the product and the price. When shopping for polyvinyl alcohol, consider the following points to ensure you choose the right product for your needs.
Characteristics (structure and formula): white powder
Formula: (C₂H₄O)ₓ soluble in water (vinyl polymer soluble in water)
Density: 1.19 g/cm³
Boiling temperature: 200 degrees Celsius
Solvent: water
Other features:
Thermal stability: melting point and thermal decomposition temperature are close (about 180 degrees Celsius or higher).
PVA , one of the grades of PVA
PVA stands for polyvinyl alcohol, which is a polymeric compound that is soluble in water. PVA was first developed in Germany by the Nobel Laureate Dr. Hermann Staudinger, and further developed in Japan. It's usually found in bead or solution form on the market, and industrially it can be made through the hydrolysis of polyvinyl acetate or any other vinyl ester derived polymer belonging to the formate or chloroacetate group.
Contact us to discuss your requirements of pva . Our experienced sales team can help you identify the options that best suit your needs.
There are different grades of PVA sold on the market. This could occur due to different levels of polymerization during the making process. Although it seems that these different types are the same chemical, they are suitable for different purposes. Here we list some of the PVA sold on the market and their specifications:
PVA is known to be used as an adhesive material due to its high tensile strength and its ability to be solved in water. It is similar to natural adhesive material, such as dextrin and casein. However, PVA has the advantage of being more adhesive and has more stable chemical structure. This allows PVA to be used minimally when used as adhesive material.
Generally, PVA and PVA are used for adhesive purpose. It is used as adhesive or glue for office purpose, paper, wood, textiles, and coating base material.
PVA Film is a film that is water soluble and biodegradable due to the properties of PVA. Although PVA is soluble in water, it is hard to dissolve in other chemicals, especially organic solvents. This makes PVA film a good choice to package chemical products such as detergents, agrochemicals, dyes, fertilizers, and water treatment chemicals.
PVA Film
To produce PVA Film, generally, PVA , PVA , PVA , PVA , and PVA are used.
Water-soluble polymers are used in various processes in the paper making industry. PVA is usually used as a binding agent, re-moisturizing agent, pigment coating, and surface sizing agent. Starch and casein were originally used as surface sizing and binding agents respectively. However, PVA is now being used due to it being more efficient to use.
Paper Making Industry
For paper making industry, PVA , PVA , and PVA are generally used
PVA is typically used as the binding agent for plywood and timber processing. In these processes, resins such as melamine, formaldehyde, and carbamide are typically used. If PVA is used in these resins, it could increase the viscosity and shorten the curing and cooling time of the resin. The addition of PVA will also increase the initial cohesion of the resin.
For this purpose, PVA , PVA, , and PVA are commonly used.
In construction, PVA could be added to the cement mortar mix. The addition of PVA could increase the waterproofing qualities and the adhesion capability of the mixture to a surface. Other than being mixed into the cement mortar mixture, PVA could also be painted onto a surface before the mixture is applied to further increase the adhesion.
Cement Mixture in Construction
As building adhesive, PVA , PVA , PVA , and PVA are used for this purpose.
PVA is used in the preparation, printing, dyeing, and finishing processes in the textile industry to carry out these processes more efficiently. Here are the reasons why PVA is used as a textile auxiliary:
PVA and PVA are used for this purpose.
An emulsifying agent is a chemical that stabilizes an emulsion, which allows a mixture of liquids that commonly don’t mix to separate. PVA is used in the production of Vinyl Acetate Homopolymer (PVAc) emulsion. In the production of this emulsion, PVA is added to a mixture of polymerized, colloidal, and granular PVAc and a solvent. This result in an emulsion that is stable and prevents the emulsion from degrading.
For this purpose, PVA , PVA , PVA , PVA , and PVA are used.
PVA can be used to make PVA fibers, which can be used for various purpose. PVA fiber can be modulated to have medium to high strength, and can have various other characteristic, such as being water soluble. One of the examples of PVA fiber is Vinylon.
Vinylon is a type of synthetic fiber made with PVA, anthracite, and limestone. As a textile material, vinylon has the advantage of being highly resistant to heat and chemicals. However, it is no longer widely used in the textile industry due to its stiffness, difficulty in dyeing, and high manufacturing cost. It is still used in the textile industry to manufacture work clothes and uniforms.
Vinylon Yarn
Other than the textile industry, Vinylon can also be used to produce fish nets and as an alternative to asbestos due to its high resistance and high strength. To produce PVA fiber, PVA , PVA , PVA , PVA , and PVA are used
PVB, also known as Polyvinyl Butyral, is a colorless compound made from the condensation of PVA and butyraldehyde. It has various uses, but the most common application is to manufacture laminated glass, which is glass that could hold itself together when breaking. This glass usually used for vehicles glasses and windows. Its other uses are for bulletproof material and for photovoltaic thin film for solar panels. The most common PVAs that is used for this purpose are PVA , PVA , PVA , PVA , and PVA .
PVA is available in various packaging. At Camachem, we package PVA typically in:
PVA in 50 Kg Sealed Bags
To store PVA, it is recommended to store it in a waterproof storage facility, as PVA can quickly degenerate once it is mixed with water. This degeneration happened due to activity of bacteria. When storing the paste of PVA, it is advised to use a stainless-steel container, as corrosion may occur in an iron or steel container. If stainless steel container is not available, an application of 0.05% sodium benzoate or sodium nitrate can be done to the PVA paste to avoid the corrosion process.
Since PVA quickly degenerates once mixed with water, it can be difficult to store it in liquid form. If storage in liquid form is needed, 0.01-0.05% of an antiseptic, such as salicylic acid, can be added.
Here at Camachem we have PVA for sale. We export worldwide, so you can contact us for a FREE quotation via address [ protected] or send a message on for a fast response at +86-131--.
If you want to learn more, please visit our website vae powders.