Light weight particulate composite materials with cenospheres as reinforcements and method for making the same
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United States of America Patent
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Jan 14, 2003
Grant Date -
N/A
app pub date -
Nov 9, 2000
filing date -
Nov 10, 1999
priority date (Note) -
Expired
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Abstract
This invention provides a particulate composite comprising a polyester resin, a plasticizer, and a plurality of cenospheres. The polyester resin and the plasticizer form a matrix wherein the cenospsheres are distributed nonhomogeneously in the matrix. The nonhomogenous distribution of cenospheres further comprises a continuously varying particle volume fraction along a single dimension.
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