Characterization of Polycarbonate - Hydrocarbon Systems
Proceedings (senza ISBN) del Congresso "XVIth European Seminar on Applied Thermodynamics", Pont-à-Mousson (F), 19-22 giugno 1997. - Polycarbonates (PC) are a special class of polyesters derived from the reaction of carbonic acid derivatives with aromatic, aliphatic, or mixed diols. They ma...
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M. Rogalski, J.N. Joubert
1997
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ftunitriestiris:oai:arts.units.it:11368/2555895 2023-05-15T15:52:49+02:00 Characterization of Polycarbonate - Hydrocarbon Systems KIKIC, IRENEO ALESSI, PAOLO CORTESI, ANGELO Kikic, Ireneo Alessi, Paolo Cortesi, Angelo 1997 STAMPA http://hdl.handle.net/11368/2555895 eng eng M. Rogalski, J.N. Joubert firstpage:80 lastpage:85 http://hdl.handle.net/11368/2555895 Inverse Gas Chromatography Bisphenol A Polycarbonate Modeling info:eu-repo/semantics/other 1997 ftunitriestiris 2023-04-09T06:08:51Z Proceedings (senza ISBN) del Congresso "XVIth European Seminar on Applied Thermodynamics", Pont-à-Mousson (F), 19-22 giugno 1997. - Polycarbonates (PC) are a special class of polyesters derived from the reaction of carbonic acid derivatives with aromatic, aliphatic, or mixed diols. They may be produced by the Schotten-Baumann reaction of phosgene with a diol in the presence of an appropriate hydrogen chloride acceptor or by melt transesterification reaction between the diol and a carbonate ester. Extreme toughness, transparency, resistance to burning, maintenance of useful engineering properties over a temperature range from -200 to +140°C are the outstanding features of Polycarbonates. This balance of properties qualifies Polycarbonates for high-tech applications: bubble helmets for astronauts; break resistant windows for buildings, buses, trains; impact-resistant lenses for lighting; their good optical properties made Polycarbonates the materials which are mostly used to produce optical disks (CD). The solution of these problems is very complex and gas chromatography has often been employed to solve them, since it provides useful information about thermodynamics of polymer systems and allows to determine experimentally the parameters characterising polymers in presence of solvents. In this work, a sample of Bisphenol A Polycarbonate was studied by Inverse Gas Chromatography (IGC): the weight activity coefficients at infinite dilution and the Flory-Huggins parameter for paraffinic and aromatic solvents have been determined. Two thermodynamic models (UNIFAC-FV and GC-FLORY EOS) were then used and compared with the experimental data. Other/Unknown Material Carbonic acid Università degli studi di Trieste: ArTS (Archivio della ricerca di Trieste) Huggins ENVELOPE(162.483,162.483,-78.283,-78.283) |
institution |
Open Polar |
collection |
Università degli studi di Trieste: ArTS (Archivio della ricerca di Trieste) |
op_collection_id |
ftunitriestiris |
language |
English |
topic |
Inverse Gas Chromatography Bisphenol A Polycarbonate Modeling |
spellingShingle |
Inverse Gas Chromatography Bisphenol A Polycarbonate Modeling KIKIC, IRENEO ALESSI, PAOLO CORTESI, ANGELO Characterization of Polycarbonate - Hydrocarbon Systems |
topic_facet |
Inverse Gas Chromatography Bisphenol A Polycarbonate Modeling |
description |
Proceedings (senza ISBN) del Congresso "XVIth European Seminar on Applied Thermodynamics", Pont-à-Mousson (F), 19-22 giugno 1997. - Polycarbonates (PC) are a special class of polyesters derived from the reaction of carbonic acid derivatives with aromatic, aliphatic, or mixed diols. They may be produced by the Schotten-Baumann reaction of phosgene with a diol in the presence of an appropriate hydrogen chloride acceptor or by melt transesterification reaction between the diol and a carbonate ester. Extreme toughness, transparency, resistance to burning, maintenance of useful engineering properties over a temperature range from -200 to +140°C are the outstanding features of Polycarbonates. This balance of properties qualifies Polycarbonates for high-tech applications: bubble helmets for astronauts; break resistant windows for buildings, buses, trains; impact-resistant lenses for lighting; their good optical properties made Polycarbonates the materials which are mostly used to produce optical disks (CD). The solution of these problems is very complex and gas chromatography has often been employed to solve them, since it provides useful information about thermodynamics of polymer systems and allows to determine experimentally the parameters characterising polymers in presence of solvents. In this work, a sample of Bisphenol A Polycarbonate was studied by Inverse Gas Chromatography (IGC): the weight activity coefficients at infinite dilution and the Flory-Huggins parameter for paraffinic and aromatic solvents have been determined. Two thermodynamic models (UNIFAC-FV and GC-FLORY EOS) were then used and compared with the experimental data. |
author2 |
Kikic, Ireneo Alessi, Paolo Cortesi, Angelo |
format |
Other/Unknown Material |
author |
KIKIC, IRENEO ALESSI, PAOLO CORTESI, ANGELO |
author_facet |
KIKIC, IRENEO ALESSI, PAOLO CORTESI, ANGELO |
author_sort |
KIKIC, IRENEO |
title |
Characterization of Polycarbonate - Hydrocarbon Systems |
title_short |
Characterization of Polycarbonate - Hydrocarbon Systems |
title_full |
Characterization of Polycarbonate - Hydrocarbon Systems |
title_fullStr |
Characterization of Polycarbonate - Hydrocarbon Systems |
title_full_unstemmed |
Characterization of Polycarbonate - Hydrocarbon Systems |
title_sort |
characterization of polycarbonate - hydrocarbon systems |
publisher |
M. Rogalski, J.N. Joubert |
publishDate |
1997 |
url |
http://hdl.handle.net/11368/2555895 |
long_lat |
ENVELOPE(162.483,162.483,-78.283,-78.283) |
geographic |
Huggins |
geographic_facet |
Huggins |
genre |
Carbonic acid |
genre_facet |
Carbonic acid |
op_relation |
firstpage:80 lastpage:85 http://hdl.handle.net/11368/2555895 |
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1766387923954958336 |