Silane coating process for high alkali bioactive glasses
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United States of America Patent
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Apr 2, 2013
Grant Date -
Sep 1, 2011
app pub date -
Feb 7, 2009
filing date -
Feb 7, 2008
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Abstract
A method of preparing a ceramic-resin composite material for bone repair, including preparing a predetermined amount of pH controlled substantially anhydrous coupling agent by mixing a liquid silane material, alcohol and organic acid, producing particulate bioactive glass having a desired particle size of less than about 53 mesh, measuring a desired quantity of the particulate bioactive glass into a mixing vessel, heating the mixing vessel and particulate bioactive glass to about 100 degrees Celsius, mixing the heated quantity of particulate bioactive glass and spraying a predetermined amount of substantially anhydrous coupling agent into the heated quantity of particulate bioactive glass to define an admixture, mixing the admixture for sufficient time to define a quantity of substantially evenly coated particles, heating the quantity of substantially evenly coated particles for sufficient time to evolve excess solvent therefrom, and incorporating the quantity of substantially evenly coated particles into a resinous matrix to define a bone replacement medium.
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