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Bisphenol A-based polycarbonates: characterization of commercial samples
Poly(bisphenol A carbonate) (BPAPC) commercial samples were characterized by several techniques: DSC, TG, FTIR, SEC, VPO and viscometry. The samples presented the same FTIR spectrum profile and almost the same values of glass transition temperature and initial temperature of degradation. However, sl...
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| Published in: | Polymer testing 2002, Vol.21 (2), p.155-161 |
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| Main Authors: | , , |
| Format: | Article |
| Language: | English |
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| cites | cdi_FETCH-LOGICAL-c415t-114fe535bd23ff4f7d5c36566b1fdae325a92cd1115cb6b5531d5a9169c69e273 |
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| container_title | Polymer testing |
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| creator | Delpech, Marcia C Coutinho, Fernanda M.B Habibe, Maria Eunice S |
| description | Poly(bisphenol A carbonate) (BPAPC) commercial samples were characterized by several techniques: DSC, TG, FTIR, SEC, VPO and viscometry. The samples presented the same FTIR spectrum profile and almost the same values of glass transition temperature and initial temperature of degradation. However, slight differences were observed in DTG curves, which may be due to the presence of additives. The number-average molecular weight of the samples, as received and purified, was determined by VPO, in two different solvents (CHCl
3 and THF). Viscometric average molecular weights were obtained in CHCl
3, at 25°C. Five different equations were used to calculate intrinsic viscosities and viscometric constant values: Huggins, Kraemer, Schulz–Blaschke, by graphic extrapolation, and Solomon-Ciuta, Deb-Chanterjee and again Schulz–Blaschke, by a single point measurement. Relative molecular weights and polydispersities were determined by SEC, in THF at 35°C, and in TCB at 135°C. It was verified that the results obtained in the latter solvent were in better accordance with those obtained by the other techniques. |
| doi_str_mv | 10.1016/S0142-9418(01)00063-0 |
| format | article |
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3 and THF). Viscometric average molecular weights were obtained in CHCl
3, at 25°C. Five different equations were used to calculate intrinsic viscosities and viscometric constant values: Huggins, Kraemer, Schulz–Blaschke, by graphic extrapolation, and Solomon-Ciuta, Deb-Chanterjee and again Schulz–Blaschke, by a single point measurement. Relative molecular weights and polydispersities were determined by SEC, in THF at 35°C, and in TCB at 135°C. It was verified that the results obtained in the latter solvent were in better accordance with those obtained by the other techniques.</description><identifier>ISSN: 0142-9418</identifier><identifier>EISSN: 1873-2348</identifier><identifier>DOI: 10.1016/S0142-9418(01)00063-0</identifier><identifier>CODEN: POTEDZ</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Applied sciences ; Characterization ; Exact sciences and technology ; Organic polymers ; Physicochemistry of polymers ; Polycarbonates ; Properties and characterization ; Structure, morphology and analysis ; Viscometric study</subject><ispartof>Polymer testing, 2002, Vol.21 (2), p.155-161</ispartof><rights>2001 Elsevier Science Ltd</rights><rights>2002 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c415t-114fe535bd23ff4f7d5c36566b1fdae325a92cd1115cb6b5531d5a9169c69e273</citedby><cites>FETCH-LOGICAL-c415t-114fe535bd23ff4f7d5c36566b1fdae325a92cd1115cb6b5531d5a9169c69e273</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,786,790,4043,27956,27957,27958</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=13405773$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Delpech, Marcia C</creatorcontrib><creatorcontrib>Coutinho, Fernanda M.B</creatorcontrib><creatorcontrib>Habibe, Maria Eunice S</creatorcontrib><title>Bisphenol A-based polycarbonates: characterization of commercial samples</title><title>Polymer testing</title><description>Poly(bisphenol A carbonate) (BPAPC) commercial samples were characterized by several techniques: DSC, TG, FTIR, SEC, VPO and viscometry. The samples presented the same FTIR spectrum profile and almost the same values of glass transition temperature and initial temperature of degradation. However, slight differences were observed in DTG curves, which may be due to the presence of additives. The number-average molecular weight of the samples, as received and purified, was determined by VPO, in two different solvents (CHCl
3 and THF). Viscometric average molecular weights were obtained in CHCl
3, at 25°C. Five different equations were used to calculate intrinsic viscosities and viscometric constant values: Huggins, Kraemer, Schulz–Blaschke, by graphic extrapolation, and Solomon-Ciuta, Deb-Chanterjee and again Schulz–Blaschke, by a single point measurement. Relative molecular weights and polydispersities were determined by SEC, in THF at 35°C, and in TCB at 135°C. It was verified that the results obtained in the latter solvent were in better accordance with those obtained by the other techniques.</description><subject>Applied sciences</subject><subject>Characterization</subject><subject>Exact sciences and technology</subject><subject>Organic polymers</subject><subject>Physicochemistry of polymers</subject><subject>Polycarbonates</subject><subject>Properties and characterization</subject><subject>Structure, morphology and analysis</subject><subject>Viscometric study</subject><issn>0142-9418</issn><issn>1873-2348</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LxDAQhoMouH78BKEXRQ_VTNKkWy-i4hcseFDPIZ1OMNI2NekK-uutrujR08DwvPMyD2N7wI-Bgz554FCIvCpgfsjhiHOuZc7X2AzmpcyFLObrbPaLbLKtlF4mSE3RGbu98Gl4pj602Xle20RNNoT2HW2sQ29HSqcZPttocaToP-zoQ58Fl2HoOorobZsl2w0tpR224WybaPdnbrOn66vHy9t8cX9zd3m-yLEANeYAhSMlVd0I6Vzhykah1ErrGlxjSQplK4ENACisda2UhGZaga5QVyRKuc0OVneHGF6XlEbT-YTUtransExGaM0rocQEqhWIMaQUyZkh-s7GdwPcfHkz397MlxTDwXx7M3zK7f8U2IS2ddH26NNfWBZclaWcuLMVR9O3b56iSeipR2p8JBxNE_w_TZ_dloHK</recordid><startdate>2002</startdate><enddate>2002</enddate><creator>Delpech, Marcia C</creator><creator>Coutinho, Fernanda M.B</creator><creator>Habibe, Maria Eunice S</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>2002</creationdate><title>Bisphenol A-based polycarbonates: characterization of commercial samples</title><author>Delpech, Marcia C ; Coutinho, Fernanda M.B ; Habibe, Maria Eunice S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c415t-114fe535bd23ff4f7d5c36566b1fdae325a92cd1115cb6b5531d5a9169c69e273</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Applied sciences</topic><topic>Characterization</topic><topic>Exact sciences and technology</topic><topic>Organic polymers</topic><topic>Physicochemistry of polymers</topic><topic>Polycarbonates</topic><topic>Properties and characterization</topic><topic>Structure, morphology and analysis</topic><topic>Viscometric study</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Delpech, Marcia C</creatorcontrib><creatorcontrib>Coutinho, Fernanda M.B</creatorcontrib><creatorcontrib>Habibe, Maria Eunice S</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Polymer testing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Delpech, Marcia C</au><au>Coutinho, Fernanda M.B</au><au>Habibe, Maria Eunice S</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Bisphenol A-based polycarbonates: characterization of commercial samples</atitle><jtitle>Polymer testing</jtitle><date>2002</date><risdate>2002</risdate><volume>21</volume><issue>2</issue><spage>155</spage><epage>161</epage><pages>155-161</pages><issn>0142-9418</issn><eissn>1873-2348</eissn><coden>POTEDZ</coden><notes>ObjectType-Article-2</notes><notes>SourceType-Scholarly Journals-1</notes><notes>ObjectType-Feature-1</notes><notes>content type line 23</notes><abstract>Poly(bisphenol A carbonate) (BPAPC) commercial samples were characterized by several techniques: DSC, TG, FTIR, SEC, VPO and viscometry. The samples presented the same FTIR spectrum profile and almost the same values of glass transition temperature and initial temperature of degradation. However, slight differences were observed in DTG curves, which may be due to the presence of additives. The number-average molecular weight of the samples, as received and purified, was determined by VPO, in two different solvents (CHCl
3 and THF). Viscometric average molecular weights were obtained in CHCl
3, at 25°C. Five different equations were used to calculate intrinsic viscosities and viscometric constant values: Huggins, Kraemer, Schulz–Blaschke, by graphic extrapolation, and Solomon-Ciuta, Deb-Chanterjee and again Schulz–Blaschke, by a single point measurement. Relative molecular weights and polydispersities were determined by SEC, in THF at 35°C, and in TCB at 135°C. It was verified that the results obtained in the latter solvent were in better accordance with those obtained by the other techniques.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/S0142-9418(01)00063-0</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0142-9418 |
| ispartof | Polymer testing, 2002, Vol.21 (2), p.155-161 |
| issn | 0142-9418 1873-2348 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_26609252 |
| source | Elsevier |
| subjects | Applied sciences Characterization Exact sciences and technology Organic polymers Physicochemistry of polymers Polycarbonates Properties and characterization Structure, morphology and analysis Viscometric study |
| title | Bisphenol A-based polycarbonates: characterization of commercial samples |
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