Nanometer Pd/Fe/PVDF catalyst modified by means of in-situ polymerization and application of catalyst

Nanometer Pd/Fe/PVDF catalyst modified by means of in-situ polymerization and application of catalyst

  • CN 103,878,028 A
  • Filed: 03/24/2014
  • Published: 06/25/2014
  • Est. Priority Date: 03/24/2014
  • Status: Active Application
First Claim
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1. an in-situ polymerization modified Nano Pd/Fe/PVDF catalyst, is characterized in that described catalyst is prepared from by the following method:

  • (1), using benzoyl peroxide as initator, be dissolved in toluene solution;

    Then add acrylic acid, after dissolving, add trimethylolpropane triacrylate as crosslinking agent, by the toluene solution preparing high pure nitrogen nitrogen flushing, to remove dissolved oxygen;

    (2) PVDF carrier is placed in to toluene solution taking-up in 2 minutes and is placed on two polytetrafluoro acetic acid flat boards, be fixed;

    The polytetrafluoroethylene of immobilization carrier is placed in the baking oven of 80-100 and heats 4 hours, and pass into nitrogen;

    After (3) 4 hours, carrier departs from from polytetrafluoroethylene, removes unreacted monomer with ethanol, and PAA/PVDF carrier, with after washed with de-ionized water, is placed in to deionized water synthesizing for nano particle;

    (4) modified support is placed in to KOH solution 12-14 hour, makes polyacrylic COOH be converted into COOK, the rear deionized water flush vehicle of using;

    Again carrier is placed in to the FeCl of the pH4.8-5 of deoxidation 210-14 hour in solution, nitrogen blowing 10-14 hour simultaneously, uses deionized water flush vehicle three times.Subsequently carrier is dipped in solution of potassium borohydride;

    (5) the PVDF carrier that is loaded with Fe ion is put into KBH 48-12min in solution, then cleans with absolute ethyl alcohol.First clean with ethanol again by deionized water, the carrier that is loaded with nano iron particles is placed in to potassium chloropalladate solution 25-35 minute, wash three times with ethanol, the modified support that is loaded with nanometer Pd/Fe catalyst is stored in ethanolic solution.

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