Purifying method of crude polyaryletherketone product

Purifying method of crude polyaryletherketone product

  • CN 104,892,926 A
  • Filed: 06/30/2015
  • Published: 09/09/2015
  • Est. Priority Date: 06/30/2015
  • Status: Active Application
First Claim
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1. a purification process for polyaryletherketone crude product, is characterized in that comprising the following steps:

  • (1) first adopt the mixing solutions of formic acid solution and methyl ethyl diketone composition, polyaryletherketone crude product is washed, centrifugally obtains Primary purification product;

    (2) adopt formic acid solution again, Primary purification product are washed, centrifugally obtain secondary purifying product;

    (3) finally adopt water, secondary purifying product washed, centrifugal, dry obtain polyaryletherketone purifying product.

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