Synthesis and characterization of novel polybenzimidazoles bearing pendant phenoxyamine groups
A novel aromatic diacid, 3, 5-dicarboxyl-4'-amino diphenyl ether, containing pendant phenoxy amine group was synthesized. Homo- and co-polybenzimidazoles containing different content of pendant phenoxyamine groups were synthesized by condensation of 3,3'-diaminobenzidine with this acid and...
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| Veröffentlicht in: | Journal of polymer science. Part A, Polymer chemistry Polymer chemistry, 2008-09, Vol.46 (17), p.5776-5793 |
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| container_title | Journal of polymer science. Part A, Polymer chemistry |
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| creator | Kulkarni, Mahesh Potrekar, Ravindra Kulkarni, R.A Vernekar, S.P |
| description | A novel aromatic diacid, 3, 5-dicarboxyl-4'-amino diphenyl ether, containing pendant phenoxy amine group was synthesized. Homo- and co-polybenzimidazoles containing different content of pendant phenoxyamine groups were synthesized by condensation of 3,3'-diaminobenzidine with this acid and a mixture of this acid and isophthalic acid in different ratio in polyphosphoric acid. Copolybenzimidazoles with structural variations were also synthesized based on this acid and pyridine dicarboxylic acid, terephthalic acid, adipic acid, or sebacic acid. The polymers have good solubility in polar aprotic solvents and strong acids and they form tough flexible films by solution casting. The polymers were characterized by different instrumental techniques (FTIR, TGA, DSC, XRD, etc.) and for solvent solubility, mechanical properties, inherent viscosity, and proton conductivity. The inherent viscosities of the polymers vary in the range of 0.62-1.52 dL/g. They have high thermal stability up to 475-506 °C (IDT) in nitrogen, high glass transition temperatures (Tg) ranging from 313 to 435 °C and good tensile strength ranging from 58 to 125 MPa. Proton conductivity of homo polymer is 3.72 x 10⁻³ S/cm at 25 °C and 2.45 x 10⁻² S/cm at 200 °C |
| doi_str_mv | 10.1002/pola.22892 |
| format | Article |
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Homo- and co-polybenzimidazoles containing different content of pendant phenoxyamine groups were synthesized by condensation of 3,3'-diaminobenzidine with this acid and a mixture of this acid and isophthalic acid in different ratio in polyphosphoric acid. Copolybenzimidazoles with structural variations were also synthesized based on this acid and pyridine dicarboxylic acid, terephthalic acid, adipic acid, or sebacic acid. The polymers have good solubility in polar aprotic solvents and strong acids and they form tough flexible films by solution casting. The polymers were characterized by different instrumental techniques (FTIR, TGA, DSC, XRD, etc.) and for solvent solubility, mechanical properties, inherent viscosity, and proton conductivity. The inherent viscosities of the polymers vary in the range of 0.62-1.52 dL/g. They have high thermal stability up to 475-506 °C (IDT) in nitrogen, high glass transition temperatures (Tg) ranging from 313 to 435 °C and good tensile strength ranging from 58 to 125 MPa. Proton conductivity of homo polymer is 3.72 x 10⁻³ S/cm at 25 °C and 2.45 x 10⁻² S/cm at 200 °C</description><identifier>ISSN: 0887-624X</identifier><identifier>EISSN: 1099-0518</identifier><identifier>DOI: 10.1002/pola.22892</identifier><identifier>CODEN: JPLCAT</identifier><language>eng</language><publisher>Hoboken: Wiley Subscription Services, Inc., A Wiley Company</publisher><subject>Applied sciences ; characterization ; copolybenzimidazoles ; Exact sciences and technology ; high performance polymers ; high temperature materials ; Organic polymers ; pendant phenoxyamine group ; Physicochemistry of polymers ; polybenzimidazoles ; Polymers with particular properties ; Preparation, kinetics, thermodynamics, mechanism and catalysts ; synthesis</subject><ispartof>Journal of polymer science. 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Part A, Polymer chemistry</title><addtitle>J. Polym. Sci. A Polym. Chem</addtitle><description>A novel aromatic diacid, 3, 5-dicarboxyl-4'-amino diphenyl ether, containing pendant phenoxy amine group was synthesized. Homo- and co-polybenzimidazoles containing different content of pendant phenoxyamine groups were synthesized by condensation of 3,3'-diaminobenzidine with this acid and a mixture of this acid and isophthalic acid in different ratio in polyphosphoric acid. Copolybenzimidazoles with structural variations were also synthesized based on this acid and pyridine dicarboxylic acid, terephthalic acid, adipic acid, or sebacic acid. The polymers have good solubility in polar aprotic solvents and strong acids and they form tough flexible films by solution casting. The polymers were characterized by different instrumental techniques (FTIR, TGA, DSC, XRD, etc.) and for solvent solubility, mechanical properties, inherent viscosity, and proton conductivity. The inherent viscosities of the polymers vary in the range of 0.62-1.52 dL/g. They have high thermal stability up to 475-506 °C (IDT) in nitrogen, high glass transition temperatures (Tg) ranging from 313 to 435 °C and good tensile strength ranging from 58 to 125 MPa. Proton conductivity of homo polymer is 3.72 x 10⁻³ S/cm at 25 °C and 2.45 x 10⁻² S/cm at 200 °C</description><subject>Applied sciences</subject><subject>characterization</subject><subject>copolybenzimidazoles</subject><subject>Exact sciences and technology</subject><subject>high performance polymers</subject><subject>high temperature materials</subject><subject>Organic polymers</subject><subject>pendant phenoxyamine group</subject><subject>Physicochemistry of polymers</subject><subject>polybenzimidazoles</subject><subject>Polymers with particular properties</subject><subject>Preparation, kinetics, thermodynamics, mechanism and catalysts</subject><subject>synthesis</subject><issn>0887-624X</issn><issn>1099-0518</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNp9kU1v1DAQhi0EEkvppX-AXOCAlOKPJE6O1Yq2SAut1JZywpo4411D1g52Fpr99bhN6ZHTHOZ5H43eIeSI0WNGKf8w-B6OOa8b_owsGG2anJasfk4WtK5lXvHi20vyKsYflKZdWS_I96vJjRuMNmbgukxvIIAeMdg9jNa7zJvM-d_YZ8k8tej2dms72PseY9YiBOvW2YCuAzdmwwadv5tgax1m6-B3Q3xNXhjoIx4-zgNyc_rxenmery7OPi1PVrkWTcXzpqsNK0rJdVdxXjCu2w5M2bZdR1lTSilMK2WlKYi0l0bUjWixAGNQM1MacUDezd4h-F87jKPa2qix78Gh30UlkpwVTZHA9zOog48xoFFDsFsIk2JU3Veo7itUDxUm-O2jFaKG3gRw2sanBKfpMsZl4tjM_bE9Tv8xqsuL1ck_dz5nbBzx7ikD4aeqpJCluv1ypm6_fj6t5fJcXSb-zcwb8ArWId1xc8UpE-mTXHBGxV_5Ipw4</recordid><startdate>20080901</startdate><enddate>20080901</enddate><creator>Kulkarni, Mahesh</creator><creator>Potrekar, Ravindra</creator><creator>Kulkarni, R.A</creator><creator>Vernekar, S.P</creator><general>Wiley Subscription Services, Inc., A Wiley Company</general><general>Wiley</general><scope>FBQ</scope><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20080901</creationdate><title>Synthesis and characterization of novel polybenzimidazoles bearing pendant phenoxyamine groups</title><author>Kulkarni, Mahesh ; Potrekar, Ravindra ; Kulkarni, R.A ; Vernekar, S.P</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3962-9d8f14572cd622412cbdaf5bbdd0195773fb776c0a36227f3893be4affec1f5f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Applied sciences</topic><topic>characterization</topic><topic>copolybenzimidazoles</topic><topic>Exact sciences and technology</topic><topic>high performance polymers</topic><topic>high temperature materials</topic><topic>Organic polymers</topic><topic>pendant phenoxyamine group</topic><topic>Physicochemistry of polymers</topic><topic>polybenzimidazoles</topic><topic>Polymers with particular properties</topic><topic>Preparation, kinetics, thermodynamics, mechanism and catalysts</topic><topic>synthesis</topic><toplevel>online_resources</toplevel><creatorcontrib>Kulkarni, Mahesh</creatorcontrib><creatorcontrib>Potrekar, Ravindra</creatorcontrib><creatorcontrib>Kulkarni, R.A</creatorcontrib><creatorcontrib>Vernekar, S.P</creatorcontrib><collection>AGRIS</collection><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of polymer science. Part A, Polymer chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kulkarni, Mahesh</au><au>Potrekar, Ravindra</au><au>Kulkarni, R.A</au><au>Vernekar, S.P</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesis and characterization of novel polybenzimidazoles bearing pendant phenoxyamine groups</atitle><jtitle>Journal of polymer science. Part A, Polymer chemistry</jtitle><addtitle>J. Polym. Sci. A Polym. Chem</addtitle><date>2008-09-01</date><risdate>2008</risdate><volume>46</volume><issue>17</issue><spage>5776</spage><epage>5793</epage><pages>5776-5793</pages><issn>0887-624X</issn><eissn>1099-0518</eissn><coden>JPLCAT</coden><abstract>A novel aromatic diacid, 3, 5-dicarboxyl-4'-amino diphenyl ether, containing pendant phenoxy amine group was synthesized. Homo- and co-polybenzimidazoles containing different content of pendant phenoxyamine groups were synthesized by condensation of 3,3'-diaminobenzidine with this acid and a mixture of this acid and isophthalic acid in different ratio in polyphosphoric acid. Copolybenzimidazoles with structural variations were also synthesized based on this acid and pyridine dicarboxylic acid, terephthalic acid, adipic acid, or sebacic acid. The polymers have good solubility in polar aprotic solvents and strong acids and they form tough flexible films by solution casting. The polymers were characterized by different instrumental techniques (FTIR, TGA, DSC, XRD, etc.) and for solvent solubility, mechanical properties, inherent viscosity, and proton conductivity. The inherent viscosities of the polymers vary in the range of 0.62-1.52 dL/g. They have high thermal stability up to 475-506 °C (IDT) in nitrogen, high glass transition temperatures (Tg) ranging from 313 to 435 °C and good tensile strength ranging from 58 to 125 MPa. Proton conductivity of homo polymer is 3.72 x 10⁻³ S/cm at 25 °C and 2.45 x 10⁻² S/cm at 200 °C</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc., A Wiley Company</pub><doi>10.1002/pola.22892</doi><tpages>18</tpages></addata></record> |
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| subjects | Applied sciences characterization copolybenzimidazoles Exact sciences and technology high performance polymers high temperature materials Organic polymers pendant phenoxyamine group Physicochemistry of polymers polybenzimidazoles Polymers with particular properties Preparation, kinetics, thermodynamics, mechanism and catalysts synthesis |
| title | Synthesis and characterization of novel polybenzimidazoles bearing pendant phenoxyamine groups |
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