A kind of reactive chitosan quaternary ammonium salt and its preparation method and application

A kind of reactive chitosan quaternary ammonium salt and its preparation method and application

  • CN 106,188,340 A
  • Filed: 07/26/2016
  • Published: 12/07/2016
  • Est. Priority Date: 07/26/2016
  • Status: Active Application
First Claim
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1. a preparation method for reactive chitosan quaternary ammonium salt, is characterized in that, comprises the following steps:

  • 1) chitosan and 2,3-epoxypropyltrimethylchloride chloride generation friedel-crafts reaction, generate N-2-Hydroxyproyl Trimethyl chlorinationAmmonium chitosan;

    2) described N-2-hydroxypropyltrimethyl ammonium chloride chitosan and compound generation substitution reaction, generate containing active groupReactive chitosan quaternary ammonium salt;

    Described compound is Cyanuric Chloride, tetrachloro-pyrimidine or N hydroxymethyl acrylamide.

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