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High water solubility with rapid dissolution in cold and warm water.
Excellent film-forming capability and strong adhesion to polar substrates.
Biodegradable, non-toxic, and compliant with FDA and EU food-contact regulations.
Precise hydrolysis control delivering consistent degree of saponification (87–99 mol%).
Low residual acetaldehyde content ensuring high purity and stability in sensitive formulations.
Water-soluble packaging films for agrochemicals, detergents, and industrial cleaners.
Binders and dispersants in ceramic tile adhesives and refractory castables.
Thickening and stabilizing agents in textile sizing and paper coating formulations.
Protective coatings for seed treatment and controlled-release agricultural systems.
Matrix component in pharmaceutical tablet binders and oral thin-film drug delivery systems.
| Chemical Type | Polyvinyl alcohol (PVOH), fully or partially hydrolyzed |
| Product Form | White to off-white free-flowing powder |
| Appearance | Free-flowing granular or fine powder |
| Primary Applications | Water-soluble films, binders, thickeners, dispersants |
| Key Features | Controlled hydrolysis, low residual vinyl acetate, high purity |
| Benefits | Enhanced film strength, excellent compatibility with cellulose derivatives and acrylics |
| Storage Conditions | Store in cool, dry place; protect from moisture and direct sunlight |
| Regulatory Compliance | FDA 21 CFR §177.1680, EU Regulation (EC) No 10/2011 for food contact |
Q1: What are the key performance advantages of Elvanol compared to generic PVOH resins?
A: Elvanol resins offer superior film-forming ability, enhanced water solubility at lower temperatures, and improved compatibility with diverse polymer systems—attributes achieved through Kuraray’s proprietary saponification control and molecular weight tailoring. These characteristics support more consistent processing and higher functional reliability in demanding applications.
Q2: Is Elvanol suitable for use in food-contact or pharmaceutical applications?
A: Elvanol resins are manufactured under strict quality control and comply with relevant global food-contact regulations where applicable. For specific regulatory compliance—including regional food-grade or pharmaceutical excipient status—users must consult the latest technical documentation and obtain formal confirmation from Kuraray for their intended formulation and end-use.
Q3: How does viscosity grade selection impact application performance?
A: Viscosity grade directly influences solution rheology, film strength, and drying behavior. Lower-viscosity grades facilitate rapid dissolution and are preferred for coating or adhesive applications requiring low-threshold flow. Higher-viscosity grades provide greater green strength and cohesive integrity in binders or thickening systems—selection should align with process conditions and final performance requirements.
Q4: Can Elvanol be blended with other water-soluble polymers or surfactants?
A: Yes—Elvanol exhibits broad compatibility with common water-soluble additives such as cellulose ethers, polyacrylates, and nonionic surfactants. However, compatibility with anionic or cationic systems should be verified experimentally, as interactions may affect solution stability or film properties depending on pH, ionic strength, and concentration.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
