With low surface tension, low liquid viscosity and highly filled fluorinated ionomer dispersion

With low surface tension, low liquid viscosity and highly filled fluorinated ionomer dispersion

  • CN 102,459,361 B
  • Filed: 06/10/2010
  • Issued: 07/05/2019
  • Est. Priority Date: 06/12/2009
  • Status: Active Grant
First Claim
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1. the method for manufacturing (complete) Fluoroionomer liquid composition, the composition has relative to the total of the composition(complete) fluorinated ionomer content of weight at least 9% wt, which comprises(complete) fluorinated ionomer (I) is provided;

  • 2) described (complete) fluorinated ionomer (I) is made at least to be subjected to following processing;

    (B) processing carried out using polar organic solvent [solvent (S)];

    And3) separation of (complete) fluorinated ionomer (I) by described in is with (complete) fluorinated ionomer (I) of recovery purifying;

    4) (complete) fluorinated ionomer (I) by described at least 150 °

    C at a temperature of be dispersed in and be substantially free of an organic solventAqueous medium in, to obtain water-based composition;

    5) at least one polar organic solvent [solvent (S'"'"')] is added in Xiang Suoshu composition.

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