Kuraray Poval™ Aplicaçoes Paper
KURARAY POVAL™
Kuraray Poval™ and Elvanol™ transform paper into art. With outstanding adhesion with cellulose due to hydrogen bonding, film strength, barrier properties, binding strength of filler, and dispersing performance, Kuraray Poval™ and Elvanol™ are used in a variety of paper applications. For example, the specialty grade Exceval™ enhances and improves paper performance by improving water, chemical, and oil resistance.
Kuraray Poval™ and Elvanol™ offer significant advantages for strength and barrier properties in the commodity and specialty paper market.
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Kuraray Poval™, Elvanol™, and Exceval™ are the strongest waterborne film-formers commercially available to the paper industry. With properties including chemical resistance to oils, waxes, organic solvents, and water, it is the superior material compared to starches and is used as the silicone barrier layer of Release Liner products. Kuraray Poval™ and Elvanol™ have excellent film formation properties, and films made of Kuraray Poval™, Elvanol™, and Exceval™ have higher tensile strength than those made from starch alone.
Kuraray Poval™ and Elvanol™ are effective binders in coating formulations at the size press. Because of their excellent binding performance, they can replace starch on a one-to-five basis. With the incorporation of Kuraray Poval™ and Elvanol™ into binding solutions, the optical and surface properties are improved compared to a clear, uncoated sheet. In other sectors, Kuraray Poval™ and Elvanol™ are used as powerful binders to produce matte, glossy, or high-speed industrial inkjet papers. Additionally, both are used in thermal dyestuff dispersant, a thermal top coat agent under a combination with a crosslinking agent for thermal paper/label application.
Exceval™ combines the unique properties of polymer technology with our expertise in barrier technology. Using Kuraray’s expertise in EVAL™, high gas barrier plastic packaging can be extended to paper structures by either laminating or melt-curtain coating Exceval™ onto the paper substrate. Alternatively, the similar oil and gas barrier chemistry of water-soluble EVAL™, Kuraray Poval™, Elvanol™, or Exceval™ can be applied via many aqueous paper coating techniques. For more information, visit the Barrier Films Application page.
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