TARGETED DEPOSITION OF PARTICLES USED IN THE MANUFACTURE OF COMPOSITE ARTICLES
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United States of America Patent
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Issued Date -
Feb 6, 2014
app pub date -
Oct 15, 2013
filing date -
Nov 1, 2010
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Abstract
Embodiments of the present disclosure are directed to the targeted deposition of particles below 100 microns onto a substrate such as a film, tape, adhesive, fabric, fibers or a combination thereof. The targeted deposition may be accomplished by a dual-component electro-static deposition process. In one embodiment, the substrate having at least one layer of particles thereon may be combined with a prepreg. Prepregs manufactured according to embodiments of the invention may be used to manufacture composites with more robust mechanical and strength characteristics relative to conventional composites manufactured using conventional prepregs in addition to providing improved processed performance during the manufacture of the particle-coated substrate. In another embodiment, targeted deposition may be applied directly to a composite article to achieve similar benefits.
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