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Kuraray PVA-217: Properties & Applications


Partially hydrolyzed polyvinyl alcohol (PVA) like KURARAY POVAL™ PVA-217 is synthesized from polyvinyl acetate through a hydrolysis process, which converts some of the acetate groups into hydroxyl groups. This partial hydrolysis results in a polymer with a balance of water solubility and adhesive properties.

Key characteristics of KURARAY POVAL™ PVA-217 include:

1. Water Solubility: The partially hydrolyzed PVA is water-soluble due to the presence of hydroxyl groups, which allows it to dissolve in water and form clear solutions. This property is advantageous for applications where water-based formulations are desired.

2. Adhesiveness: The hydroxyl groups on the PVA polymer chains contribute to its adhesive properties. This makes KURARAY POVAL™ PVA-217 suitable for use in adhesives, where it can create strong bonds between different substrates.

3. Film Formation: The polymer's water solubility and adhesive characteristics make it suitable for forming thin films. This property is crucial in applications such as coatings and films for various surfaces.

4. Flexibility: The partially hydrolyzed PVA maintains a certain level of flexibility, which is important in applications where the material needs to bend, stretch, or conform to different shapes.

5. Applications: KURARAY POVAL™ PVA-217 can find use in a range of industries and applications. It might be used as a binder in adhesives, coatings, and sealants due to its adhesive and film-forming properties. Additionally, it could be employed in textiles to provide stiffness, smoothness, and water-soluble support for fabric production.

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