Current Search: Polyimides (x)
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Title
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Investigation of Structure-Property Relationship of a High Temperature Polyimide Reinforced with Nanoparticles.
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Creator
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Rowbottom, Colin, Mahfuz, Hassan, Florida Atlantic University, College of Engineering and Computer Science, Department of Ocean and Mechanical Engineering
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Abstract/Description
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Nano-reinforced polymeric systems have demonstrated a great deal of interest within academia and industry, due to the intrinsic properties of the graphene nanofillers, having excellent mechanical, thermal and electrical properties. The reinforcement of multiwall carbon nanotubes (MWCNTs) and graphene nanoplatelets (GNPs) were introduced into a low cost, non-carcinogenic, high temperature PMR type polyimide resin. The effects of the interfacial interaction and dispersion quality resulted in...
Show moreNano-reinforced polymeric systems have demonstrated a great deal of interest within academia and industry, due to the intrinsic properties of the graphene nanofillers, having excellent mechanical, thermal and electrical properties. The reinforcement of multiwall carbon nanotubes (MWCNTs) and graphene nanoplatelets (GNPs) were introduced into a low cost, non-carcinogenic, high temperature PMR type polyimide resin. The effects of the interfacial interaction and dispersion quality resulted in improvement in the glass transition temperature (Tg), elastic modulus and thermal stability by, 31°C, 63% and 16°C, respectively. In fine, this study presents a simple but effective high temperature polyimide (HTPI) nanocomposites manufacturing procedure and established that nanoparticle reinforcement can be used to improve both thermal and mechanical properties.
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Date Issued
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2018
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PURL
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http://purl.flvc.org/fau/fd/FA00013035
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Subject Headings
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Polyimides, Nanoparticles, Carbon nanotubes, Graphene
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Format
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Document (PDF)
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Title
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A fault-tolerant memory architecture for storing one hour of D-1 video in real time on long polyimide tapes.
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Creator
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Monteiro, Pedro Cox de Sousa., Florida Atlantic University, Glenn, William E., College of Engineering and Computer Science, Department of Computer and Electrical Engineering and Computer Science
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Abstract/Description
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Research is under way to fabricate large-area thin-film transistor arrays produced on a thin polyimide substrate. The polyimide substrate is available in long thirty centimeter wide rolls of tape, and lithography hardware is being developed to expose hundreds of meters of this tape with electrically addressable light modulators which can resolve 2 $\mu$m features. A fault-tolerant memory architecture is proposed that is capable of storing one hour of D-1 component digital video (almost 10^12...
Show moreResearch is under way to fabricate large-area thin-film transistor arrays produced on a thin polyimide substrate. The polyimide substrate is available in long thirty centimeter wide rolls of tape, and lithography hardware is being developed to expose hundreds of meters of this tape with electrically addressable light modulators which can resolve 2 $\mu$m features. A fault-tolerant memory architecture is proposed that is capable of storing one hour of D-1 component digital video (almost 10^12 bits) in real-time, on eight two-hundred meter long tapes. Appropriate error correcting codes and error concealment are proposed to compensate for drop-outs resulting from manufacturing defects so as to yield video images with error rates low enough to survive several generations of copies.
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Date Issued
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1992
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PURL
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http://purl.flvc.org/fcla/dt/14869
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Subject Headings
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Polyimides, Computer architecture, Memory hierarchy (Computer science), Fault-tolerant computing
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Format
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Document (PDF)
