Polyvinyl alcohol (PVA) is technically considered a synthetic polymer rather than a plastic. While both plastics and PVA are derived from polymers, they have some differences in their properties and manufacturing processes.
Plastics are typically made from long chains of polymers that can be molded and shaped when heated. They often possess a range of mechanical properties, including flexibility, durability, and resistance to chemicals. Plastics are commonly used in various applications, such as packaging, construction, and consumer goods.
On the other hand, PVA is a water-soluble synthetic polymer derived from the polymerization of vinyl acetate. It is not as thermally stable or mechanically robust as most conventional plastics. PVA has unique properties, including excellent film-forming ability, adhesion, and biodegradability, which make it suitable for applications such as coatings, adhesives, and as a water-soluble packaging material in some cases.
While PVA and plastics both fall under the broader category of polymers, they have different characteristics and applications, with PVA being distinguished by its water solubility and specific properties.
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