Polyvinyl Alcohol
Polyvinyl alcohol is a water-soluble synthetic polymer.
Description
Polyvinyl alcohol is used:
- To produce polyvinyl butyral
- As an emulsion polymerization aid
- As protective colloid
- Make polyvinyl acetate dispersions
- As a water-soluble film useful for package
- Thickener, modifier, in polyvinyl acetate glues
- As textile sizing agent
- Paper coatings, release liner
- As reinforcement in concrete
- Vinylon fiber production
- To produce polyvinyl nitrate
- In 3D printing
- In chemical-resistant gloves
- Paper adhesive
- As a form release
- In Feminine hygiene and adult incontinence products
Additional information
| Appearance | White granular or powder |
|---|---|
| Density | 1.28 g/cm3 (solid @ 25°C/4°C) |
| Thermal conductivity | 0.2 w/(m·K) |
| Boiling point | 23.5°C (@ 760 mmHg) |
| Flash point | 79°C |
| Solubility | Soluble in water (@80~90°C) |
| Melting point | 200°C |
| Ignition temperature | 410°C (solid) |
| Refractive index (nD) | 1.50 |
| Lower explosive limit (V/V) | 125 g/m3 |
