SURFACE TREATMENT METHOD FOR MAGNETIC PARTICLES, MAGNETIC COMPOSITE PREPARED THEREBY, AND MAGNETIC COMPOSITE FOR LABELING TARGET MATERIALS
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United States of America Patent
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Issued Date -
Jul 24, 2014
app pub date -
Jun 22, 2012
filing date -
Jun 23, 2011
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Abandoned
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Abstract
The present invention relates to a surface treatment method for magnetic particles, a magnetic composite prepared thereby, and a magnetic composite for labeling target materials. More specifically, the invention relates to a surface treatment method for magnetic particles and a magnetic composite having excellent dispersibility prepared thereby, wherein the surface treatment method comprises the steps of: performing the acid-treatment of magnetic particles and mixing the acid-treated magnetic particles with a water-soluble solvent in order to form a hydroxyl group (—OH) on the surface of the magnetic particles; and mixing the magnetic particles, in which the hydroxyl group is formed, with a surface treatment agent containing an organic ligand, which can be bonded to the hydroxyl group, so that the organic ligand is treated on the surface of the magnetic particles.
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