Use double shaft kneader with the method for dissolving aramid polymer in sulfuric acid

Use double shaft kneader with the method for dissolving aramid polymer in sulfuric acid

  • CN 101,600,756 A
  • Filed: 01/30/2008
  • Published: 12/09/2009
  • Est. Priority Date: 02/03/2007
  • Status: Active Application
First Claim
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1. method of using double shaft kneader dissolve polymer in solvent, it may further comprise the steps:

  • A) with polymkeric substance and solvent metering feeding in kneading machine;

    B) mixed polymer and solvent obtain solution with dissolve polymer in solvent;

    C) the solution degassing is obtained spinning solution;

    D) spinning solution is transported out kneading machine, wherein said polymkeric substance is an aramid polymer, and solvent is a sulfuric acid, and wherein said aramid polymer before being fed to sulfuric acid metering in the kneading machine metering feeding in kneading machine.

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