Residual acetate groups are unhydrolyzed functional groups in polyvinyl alcohol binder powder that influence solubility, viscosity, and adhesion properties.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Ash Content | <0.7% | |
| Particle Size | 80-200 mesh | |
| Volatile Content | <8% | |
| PH (4% Solution) | 5-7 | |
| Hydrolysis Degree | 87-99% | |
| Viscosity (4% Solution, 20°C) | 4-65 mPa·s |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
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Residual acetate groups reduce crystallinity and hydrogen bonding, increasing cold water solubility and decreasing gelation temperature while modifying adhesion characteristics.
Optimal content depends on application: 1-5% for high-strength adhesives, 5-10% for textile sizing, and 10-13% for paper coatings requiring flexibility.
No, acetate content is fixed during the hydrolysis manufacturing process and cannot be modified in the final powder product.
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