POLYMER AND ELASTOMER COMPOSITIONS HAVING CARBON NANOSTRUCTURE ADDITIVES AND ARTICLES FORMED THEREFROM FOR USE IN EMI AND RFI SHIELDING AND IN PRESSURE SENSING SEALS HAVING QUANTUM TUNNELING COMPOSITE EFFECTS

Compositions of at least one matrix polymer that may be a thermoplastic and/or curable polymer having at least one functional group for crosslinking for use in forming articles are disclosed as well as methods for making such articles, wherein the compositions and methods include a carbon nanostruct...

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Bibliographische Detailangaben
Hauptverfasser:	GUREVICH, Eugene, REICHL, Gary, PERIYASAMY, Mookkan, LYNN, Brian, QUARTAPELLA, Carmen J, PIACENTE, Nicholas P
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G BASIC ELECTRIC ELEMENTS CABLES CHEMISTRY COMPOSITIONS BASED THEREON CONDUCTORS ELECTRICITY GENERAL PROCESSES OF COMPOUNDING INSULATORS MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES TESTING THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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Beschreibung
Zusammenfassung:	Compositions of at least one matrix polymer that may be a thermoplastic and/or curable polymer having at least one functional group for crosslinking for use in forming articles are disclosed as well as methods for making such articles, wherein the compositions and methods include a carbon nanostructure additive that is three-dimensional, branched and crosslinked. The resulting articles can in one embodiment provide a volume resistivity level of about 0.5 ohm-cm or less which are useful in applications requiring conductivity sufficient to provide electromagnetic interference shielding and/or radio frequency interference shielding. Other articles formed using compositions disclosed herein in other embodiments can demonstrate dissipative and/or quantum tunneling effects and so are useful as self-sensing pressure sensitive articles, such as self-sensing seals.