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Specialty Grades

Hydrophilic Group Modified PVOH WO Series


A nonionic specialty modified PVOH having an ethylene oxide group on its side chain.

GOHSENX™ WO has achieved a great reputation in both global and domestic markets as a coating and binder for its low crystallinity and excellent hydrophilic properties. Also, GOHSENX™ WO excels general PVOH in water solubility, hygroscopicity, and flexibility of its film.

Chemical Structure

Structural formula WO Series

  • ・Excellent water solubility
  • ・Forms a film which has excellent hydrophilicity
  • ・Forms a flexible film
Grades and Technical Specifications
Grades Saponification Value
Viscosity *1
pH *2
WO-320N Min.98.5 6.5 - 8.5 5.0 - 7.0

*1 : 4% aqueous solution at 20℃
*2 : 4% aqueous solution at 30℃

Major Applications and Example Use
Application Example Use Properties
Film Water-soluble film
(Packaging for agrichemicals & detergents, laundry bag)
Water-soluble, flexibility
Paper Processing Water-soluble paper by melt laminating Water-soluble
Ink jet recording paper Excellent ink absorbing
Others Coating agent Hydrophilic
Water-soluble molding Capable of melt molding
Water-soluble, flexibility

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