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| ltem | Specifications |
| Viscosity | 40000~200000 mPa.s |
| Substitution degree (MS) | 1.8-2.2 |
| Ash content (%) | ≤5% |
| Maximum moisture content (%) | ≤5% |
| PH (1% solution, 20 ℃) | 6-8 |
01.
Alkalization treatment:
Treat cellulose with NaOH solution to form alkali cellulose Swelling cellulose facilitates subsequent reactions
02.
Etherification reaction:
Add etherification agent (such as chloromethane) under alkaline conditions Substitution reaction occurs to generate cellulose ether
03.
Washing and neutralization:
Adjust the pH to neutral, wash away by-products and residual reagents
04.
Drying and crushing:
Obtain the final product
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