IntroductionNon-modified cellulose ether is a natural polymer derived from plant cellulose, wid
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Non-modified cellulose ether is a natural polymer derived from plant cellulose, widely used in industries for its thickening, stabilizing, and water-retention properties. Unlike chemically modified cellulose ethers, it retains its natural structure, making it biodegradable and environmentally friendly. This article presents key data on its characteristics and uses through structured tables.
| Property | Typical Value | Measurement Method |
|---|---|---|
| Molecular Weight | 50.000-2.000.000 Da | Gel Permeation Chromatography |
| Degree of Polymerization | 200-10.000 | Viscosimetry |
| Solubility in Water | Insoluble to partially soluble | Hot/cold water test |
| pH Stability Range | 5.0-9.0 | pH titration |
| Decomposition Temperature | 260-300°C | Thermogravimetric Analysis |
| Parameter | Non-Modified Cellulose Ether | Modified Cellulose Ether |
|---|---|---|
| Water Retention | Moderate (60-80%) | High (80-95%) |
| Viscosity Development | Slow hydration | Rapid hydration |
| Salt Tolerance | Low | Medium-High |
| Thermal Stability | Stable up to 60°C | Stable up to 90°C |
| Film Formation | Brittle | Flexible |
| Industry | Primary Function | Typical Concentration | Key Benefit |
|---|---|---|---|
| Food | Thickener, Stabilizer | 0.1-1.0% | Clean label compliance |
| Pharmaceuticals | Tablet binder, Disintegrant | 2-5% | Non-reactive excipient |
| Construction | Mortar water retention | 0.2-0.5% | Reduced cracking |
| Cosmetics | Viscosity modifier | 0.5-2.0% | Natural alternative |
| Paper Manufacturing | Strength additive | 0.3-1.5% | Improved fiber bonding |
| Grade | Particle Size (µm) | Moisture Content | Ash Content | Recommended Use Case |
|---|---|---|---|---|
| Food Grade | 50-150 | ≤8% | ≤0.5% | Dairy products, sauces |
| Pharma Grade | 20-80 | ≤5% | ≤0.3% | Tablet formulations |
| Industrial | 100-300 | ≤10% | ≤1.0% | Adhesives, mortars |
| Cosmetic | 30-100 | ≤6% | ≤0.4% | Lotions, creams |
Sustainability: 100% biodegradable with minimal environmental impact
Regulatory Status: Generally Recognized As Safe (GRAS) for food applications
Process Compatibility: Works in both hot and cold processing systems
Lower viscosity compared to modified variants
Limited solubility in organic solvents
Reduced performance in high-salt environments
Non-modified cellulose ether offers a natural, eco-friendly solution for multiple industrial applications where chemical modification is undesirable. While possessing some performance limitations versus modified versions, its environmental profile and regulatory acceptance make it valuable for sustainable product development.
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