Fusible water-soluble films for fabricating three-dimensional objects
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United States of America Patent
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app pub date -
Aug 10, 2005
filing date -
May 7, 2003
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Abstract
A material for use in fabricating three-dimensional objects includes a mixture of thermoplastic particles and a water-soluble polymer matrix formed as a film that is fusible into a non-water soluble state when exposed to heating. The film further includes a surfactant system bound to the thermoplastic particles, the surfactant system providing an inversion property such that the thermoplastic particles are hydrophilic but, upon a fusing of the film, become hydrophobic as the surfactant become incorporated into the bulk.
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