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METHOD FOR PREPARING NANOCELLULOSE

  • US 20190309477A1
  • Filed: 10/04/2018
  • Published: 10/10/2019
  • Est. Priority Date: 04/06/2018
  • Status: Active Grant
First Claim
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1. A method for preparing nanocellulose, the method comprising:

  • preparing a urea solution by dissolving urea in distilled water;

    adding phosphoric acid to the urea solution;

    adding pulp to the solution in which urea and phosphoric acid are dissolved;

    heating the solution such that the urea and the phosphoric acid each react with the pulp; and

    preparing nanocellulose by washing the pulp which is completely reacted, and then grinding the pulp,wherein a weight of the phosphoric acid is 10 to 50% based on a weight of the pulp.

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