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Reaction of fine media miller strach or protein with a polymer or polymerizable monomer

  • US 3,891,580 A
  • Filed: 10/26/1973
  • Issued: 06/24/1975
  • Est. Priority Date: 12/06/1966
  • Status: Expired due to Term
First Claim
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1. A PROCESS FOR PREPARING A POLYMERIC MATERIAL WHICH COMPRISES SUBJECTING AN AQUEOUS MIXTURE COMPRISING (1) A STARCH HAVING HYDROXYL, ALDEHYDE OR KETONIC GROUPS OR A PROTEIN HAVING AMINO OR AMIDO GROUPS, AND (2) GRINDING MEDIA, TO AN AGITATION THEREBY MILLING THE STARCH OR PROTEIN, SAID GRINDING MEDI COMPRISING ABOUT 30 TO 70 VOLUME PERCENT, SAID THE TOTAL MIXTURE AND BEING SMALLER THAN ONE-HALF INCH IN OVERALL DIAMETER AND LARGER THAN 400 MESH, AND REACTING THE MILLED STARCH OR PROTEIN WITH A POLYMER OR POLYMERIZABLE MONOMER WHICH IS REACTIVE WITH THE HYDROXYL, ALDEHYDE OR KETONIC GROUPS OF THE STARCH OR THE AMIDO OR AMIDO GROUPS OF THE PROTEIN.

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