Polymer systems with reactive and fusible properties for solid freeform fabrication
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United States of America Patent
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Apr 29, 2008
Grant Date -
Apr 14, 2005
app pub date -
Oct 14, 2003
filing date -
Oct 14, 2003
priority date (Note) -
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Abstract
A powder system for use in solid freeform fabrication. The powder system includes at least one polymer having reactive properties and fusible properties. The at least one polymer is reactive with a liquid binder and is fusible at a temperature above the melting point or glass transition temperature of the at least one polymer. The at least one polymer may be a single co-polymer having at least one reactive portion and at least one fusible portion or may be a mixture of polymers including at least one reactive polymer and at least one fusible polymer. A method of forming an object by solid freeform fabrication is also disclosed.
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