Process of making a continuous dielectric film comprising dispersed nanoparticles
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United States of America Patent
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Dec 13, 2016
Grant Date -
Oct 15, 2015
app pub date -
Jul 12, 2013
filing date -
Jul 13, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
The invention provides a process of making a continuous freeform thermoplastic dielectric film (25) that is evenly loaded with dispersed nanoparticles comprising the steps of; feeding thermoplastic granules (21) into an extruder (23), injecting a secondary feed (27) comprising a suspension of nanoparticles in a liquid carrier to create a nanocomposite, and extruding said composite onto cooled rollers (26) at a preset rate thereby enabling the crystalline structure of the nanocomposite film (25) to be controlled wherein the secondary feed (27) is mixed continuously by an ultrasonicator (29) whilst being injected into the extruder (23). By selecting the size of the nano particles based on their de Broglie wavelength in the crystalline polymer the dielectric can be produced in bulk to make high capacitance high energy density storage capacitors
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International Classification(s)
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- B29B:PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE ....
- H01B:CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATER....
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
- C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....
- H01G:CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWI....
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