Development of Computer-Controlled Thermogravimetric Instrumentation for Measurement of Environmental and High Temperature Volatilization and Desorption of Contaminants from Polymeric Materials
A conventional thermogravimetric analyzer was modified and computerized to provide an environmental chamber adequate for comparative measurement of diffusion and evaporation of liquids from polymers. The computer-instrument system supplements complex and expensive environmental wind tunnel research...
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| creator | Shuely, Wendel J McHugh, Vincent M Ince, Brian S |
| description | A conventional thermogravimetric analyzer was modified and computerized to provide an environmental chamber adequate for comparative measurement of diffusion and evaporation of liquids from polymers. The computer-instrument system supplements complex and expensive environmental wind tunnel research for preliminary measurements of relative rates of processes at both environmental and high temperatures and under atmospheric conditions. The diffusion and evaporation transport properties of liquid-state chloroesters, diesters, organophosphates, and ether-acetates were measured in or on urethane, polyester, and methacrylate polymers. The results obtained that are of general interest to computer-oriented chemists demonstrate the enhancement of instrument performance by the computer system; the important system components are signal analysis software, kinetic computations, graphic display of rate data, and data base generation. Keywords: Desorption, Thermogravimetric, Computerized, Polymer solutions, Polymer surface, Environmental transport. (MJM) |
| format | Report |
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The computer-instrument system supplements complex and expensive environmental wind tunnel research for preliminary measurements of relative rates of processes at both environmental and high temperatures and under atmospheric conditions. The diffusion and evaporation transport properties of liquid-state chloroesters, diesters, organophosphates, and ether-acetates were measured in or on urethane, polyester, and methacrylate polymers. The results obtained that are of general interest to computer-oriented chemists demonstrate the enhancement of instrument performance by the computer system; the important system components are signal analysis software, kinetic computations, graphic display of rate data, and data base generation. Keywords: Desorption, Thermogravimetric, Computerized, Polymer solutions, Polymer surface, Environmental transport. (MJM)</description><language>eng</language><subject>ANALYZERS ; CHAMBERS ; CHEMISTS ; COMPUTATIONS ; COMPUTER APPLICATIONS ; COMPUTER PROGRAMS ; COMPUTERS ; CONTAMINANTS ; CONTROL ; DATA BASES ; DATA PROCESSING ; DESORPTION ; DIFFUSION ; ENVIRONMENTS ; ESTERS ; EVAPORATION ; GRAPHICS ; HIGH TEMPERATURE ; INSTRUMENTATION ; KINETICS ; LIQUIDS ; MATERIALS ; MEASUREMENT ; METHACRYLATES ; ORGANOPHOSPHATES ; Physical Chemistry ; POLYESTER PLASTICS ; POLYMERS ; RATES ; SIGNALS ; SOLUTIONS(MIXTURES) ; SURFACES ; Test Facilities, Equipment and Methods ; THERMOGRAVIMETRIC ANALYSIS ; TRANSPORT ; TRANSPORT PROPERTIES ; URETHANES ; VOLATILITY ; WIND TUNNEL TESTS</subject><creationdate>1988</creationdate><rights>APPROVED FOR PUBLIC RELEASE</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,776,881,27544,27545</link.rule.ids><linktorsrc>$$Uhttps://apps.dtic.mil/sti/citations/ADA195934$$EView_record_in_DTIC$$FView_record_in_$$GDTIC$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Shuely, Wendel J</creatorcontrib><creatorcontrib>McHugh, Vincent M</creatorcontrib><creatorcontrib>Ince, Brian S</creatorcontrib><creatorcontrib>CHEMICAL RESEARCH DEVELOPMENT AND ENGINEERING CENTER ABERDEEN PROVING GROUND MD</creatorcontrib><title>Development of Computer-Controlled Thermogravimetric Instrumentation for Measurement of Environmental and High Temperature Volatilization and Desorption of Contaminants from Polymeric Materials</title><description>A conventional thermogravimetric analyzer was modified and computerized to provide an environmental chamber adequate for comparative measurement of diffusion and evaporation of liquids from polymers. The computer-instrument system supplements complex and expensive environmental wind tunnel research for preliminary measurements of relative rates of processes at both environmental and high temperatures and under atmospheric conditions. The diffusion and evaporation transport properties of liquid-state chloroesters, diesters, organophosphates, and ether-acetates were measured in or on urethane, polyester, and methacrylate polymers. The results obtained that are of general interest to computer-oriented chemists demonstrate the enhancement of instrument performance by the computer system; the important system components are signal analysis software, kinetic computations, graphic display of rate data, and data base generation. Keywords: Desorption, Thermogravimetric, Computerized, Polymer solutions, Polymer surface, Environmental transport. 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The computer-instrument system supplements complex and expensive environmental wind tunnel research for preliminary measurements of relative rates of processes at both environmental and high temperatures and under atmospheric conditions. The diffusion and evaporation transport properties of liquid-state chloroesters, diesters, organophosphates, and ether-acetates were measured in or on urethane, polyester, and methacrylate polymers. The results obtained that are of general interest to computer-oriented chemists demonstrate the enhancement of instrument performance by the computer system; the important system components are signal analysis software, kinetic computations, graphic display of rate data, and data base generation. Keywords: Desorption, Thermogravimetric, Computerized, Polymer solutions, Polymer surface, Environmental transport. (MJM)</abstract><oa>free_for_read</oa></addata></record> |
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| source | DTIC Technical Reports |
| subjects | ANALYZERS CHAMBERS CHEMISTS COMPUTATIONS COMPUTER APPLICATIONS COMPUTER PROGRAMS COMPUTERS CONTAMINANTS CONTROL DATA BASES DATA PROCESSING DESORPTION DIFFUSION ENVIRONMENTS ESTERS EVAPORATION GRAPHICS HIGH TEMPERATURE INSTRUMENTATION KINETICS LIQUIDS MATERIALS MEASUREMENT METHACRYLATES ORGANOPHOSPHATES Physical Chemistry POLYESTER PLASTICS POLYMERS RATES SIGNALS SOLUTIONS(MIXTURES) SURFACES Test Facilities, Equipment and Methods THERMOGRAVIMETRIC ANALYSIS TRANSPORT TRANSPORT PROPERTIES URETHANES VOLATILITY WIND TUNNEL TESTS |
| title | Development of Computer-Controlled Thermogravimetric Instrumentation for Measurement of Environmental and High Temperature Volatilization and Desorption of Contaminants from Polymeric Materials |
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