INJECTION MOLDING OF AQUEOUS SUSPENSIONS OF HIGH-TEMPERATURE CERAMICS
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United States of America Patent
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May 11, 2017
app pub date -
Jun 24, 2016
filing date -
Jun 25, 2015
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Abstract
A method for ambient temperature injection molding of ceramic bodies, including combining ceramic powder, water, and dispersant to yield a first admixture, combining water and water soluble polymer to yield a second admixture, combining the first and second admixture to yield a homogeneous slurry, flowing the homogeneous slurry into a mold to yield a molded green body, and removing the green body from the mold, all of which are performed at room temperature. The slurry exhibits yield psuedoplastic flow characteristics and contains more than 50 weight percent ceramic powder and less than 5 weight percent water soluble polymer.
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