Hydrophilic Group Modified PVOH WO Series

Hydrophilic Group Modified PVOH WO Series

GOHSENX™ WO Series

The product is a nonionic specially modified PVOH with a hydrophilic ethylene oxide group on its side chain. The product has been widely used both in global and domestic markets as a coating agent and binder based on its low crystallinity and excellent hydrophilic properties, coupled with its higher water solubility, hygroscopicity, and film flexibility compared to common PVOH.

Structural formula

Properties

・Excellent water solubility
・Forms a film with excellent hydrophilicity
・Forms a flexible film

Grades and technical specifications

GradesSaponification Value(mol%)Viscosity  *1 (mPa・s)pH *2
WO-320NMin. 98.56.5~8.55.0~7.0

*1: 4% aqueous solution at 20°C

*2: 4% aqueous solution at 30°C

Major applications and examples of use

ApplicationExample UseProperties
FilmWater-soluble film
(Packaging for agrichemicals & detergents, laundry bag)
Water-soluble, flexibility
Paper ProcessingWater-soluble paper by melt laminatingWater-soluble
Ink jet recording paperExcellent ink absorbing
OthersCoating agentHydrophilic
Water-soluble moldingCapable of melt molding
Water-soluble, flexibility