Hydrophilic Group Modified PVOH WO Series
Hydrophilic Group Modified PVOH WO Series
CONTENTS
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
| Grades | Saponification Value（mol%） | Viscosity *1 （mPa・s） | pH *2 |
| WO-320N | Min. 98.5 | 6.5~8.5 | 5.0~7.0 |
*1: 4% aqueous solution at 20°C
*2: 4% aqueous solution at 30°C
Major applications and examples of 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 |