羟乙基甲壳素是甲壳素的一种水溶性醚化产物，采用气固相制备方法可以得到水溶性好、醚化度高的羟乙基甲壳素。

Water soluble hydroxyethyl chitin which has high etherification degree can be received by the gas-solid reaction with ethylene oxide.

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羟乙基甲壳素是甲壳素的一种水溶性醚化产物，采用气固相制备方法可以得到醚化度高、水溶性好的羟乙基甲壳素。

Water soluble hydroxyethyl chitin which has high etherification degree can be obtained by the gas-solid reaction with ethylene oxide.

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研究了水的用量，醚化温度，溶剂的量对CMS的粘度和取代度的影响。

Study the dosage of the water temperature, etherification, solvent quantity of CMS viscosity and substitution degree.

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