A kind of preparation method of high solids content alumina sol

A kind of preparation method of high solids content alumina sol

  • CN 106,477,607 A
  • Filed: 10/13/2016
  • Published: 03/08/2017
  • Est. Priority Date: 10/13/2016
  • Status: Active Application
First Claim
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1. a kind of preparation method of high solids content alumina sol it is characterised in that:

  • The method comprises the following steps:



    1)

    Aluminum stone powder body will be visitd add in container, and add redistilled water;



    2)

    Heat and stir formation suspension;



    3)

    To in described suspension, Deca nitric acid carries out peptization, uses laser detection suspension to change simultaneously, works as Tyndall phenomenonStop Deca nitric acid during generation, obtain alumina sol;



    4)

    Vacuum distillation is carried out to described alumina sol, both obtains the alumina sol of high solids content.

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