High porosity superabrasive resin products and method of manufacture
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United States of America Patent
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Jul 10, 2012
Grant Date -
Jan 28, 2010
app pub date -
May 7, 2009
filing date -
Jun 23, 2008
priority date (Note) -
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Abstract
A superabrasive product, such as a superabrasive tool, includes a superabrasive grain component and a porous continuous phase that includes a thermoplastic polymer component in which the superabrasive grain component is distributed. A superabrasive product precursor to the superabrasive product includes a superabrasive grain component, a bond component and a polymer blowing agent of encapsulated gas. A method of forming a superabrasive product includes combining a superabrasive, a bond component and a polymer blowing agent of encapsulated gas to form, for example, a superabrasive product precursor. The combined superabrasive, bond component and polymer blowing agent of encapsulated gas are heated to a temperature and for a period of time that causes release of at least a portion of the gas from encapsulation within the blowing agent.
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