Process for preparing cellulose ether

Process for preparing cellulose ether

  • CN 101,583,628 B
  • Filed: 01/18/2008
  • Issued: 09/24/2014
  • Est. Priority Date: 01/22/2007
  • Status: Active Grant
First Claim
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1. a method of preparing ether of cellulose, comprising Mierocrystalline cellulose and alkyl halide or carboxyalkyl halogenide reacting at high temperature, wherein at boiling point, be under the existence of ether of formula R1-O-R2 of 40-90 ℃

  • or containing described ether and boiling point is to prepare ether of cellulose under the existence of solvent mixture of 40-90 ℃

    , wherein R1 is methyl or ethyl, and R2 is secondary alkyl or tertiary alkyl.

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