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Methyl 2-hydroxyethyl cellulose (201613)
Details:

Properties

1. Appearance: white or off-white powder, odorless and tasteless.

2. Particle size: the passage rate of 100 meshes is more than 98.5%; and 80 meshes is 100%.

3. Apparent density: 0.30-0.60g/cm3.

4. Solubility: It is soluble in water and some organic solvents. It can be dissolved in cold water. And solubility varies with the viscosity. The lower the viscosity, the higher  the solubility.  With the surface treatment it will disperse in cold water, not to agglomerate, and slowly dissolve. However, if the pH value is adjusted to 8-10, it can be quickly dissolved.

5. It has lots of functions such as thickening, suspension, dispersion, emulsion, film, adhesive and water retention. Its water holding capacity is better than methyl cellulose, and its viscosity stability, mildew resistance, and dispensability is better than hydroxyethyl cellulose.

6. pH stability: The viscosity of water solution is almost not affected by acid or alkali. pH value is stable in the range of 2-12.

Specifications

Item

Index

Substituting degree

Methoxyl     %

22.0-30.0

1.3-2.5

Hydroxyethyl   %

2.0-14.0

0.06-0.5

Gelation temperature °C

60-90

Moisture content  %

≤5

Ash content     %

≤5

pH value,1% solution, 25°C

4.0-8.0

Viscosity, 2% water solution,

20°C, mPa· s

5-200000

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