Effect of Diisocyanate Structure on Thermal Properties and Microstructure of Polyurethanes Based on Polyols Derived from Renewable Resources
Polyols derived from renewables resources are good candidates to obtaining segmented polyurethane elastomers. Diisocyanates with different chemical structure, aliphatic and aromatic, have been used to synthesize by a two step polymerization procedure polyurethane elastomers with different hard segme...
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| creator | Angeles Corcuera, M Rueda, Lorena D'Arlas, Borja Fernandez Saralegui, Ainara Marieta, Cristina Arbelaiz, Aitor Mondragon, Ifiaki Eceiza, Arantxa |
| description | Polyols derived from renewables resources are good candidates to obtaining segmented polyurethane elastomers. Diisocyanates with different chemical structure, aliphatic and aromatic, have been used to synthesize by a two step polymerization procedure polyurethane elastomers with different hard segment content. Microphase separation and thermal stability have been studied using attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR), differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). The analysis of the H-bonded and non H-bonded urethane carbonyl stretching vibration in the amide I region, the glass transition temperature of the soft and hard segments and the melting temperature and enthalpies of hard segment reveal that aliphatic diisocyanate based polyurethanes present higher phase separation degree and harder segment crystallinity and also superior thermal stability than aromatic diisocyanate-based polyurethanes. |
| doi_str_mv | 10.1063/1.3455612 |
| format | Conference Proceeding |
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The analysis of the H-bonded and non H-bonded urethane carbonyl stretching vibration in the amide I region, the glass transition temperature of the soft and hard segments and the melting temperature and enthalpies of hard segment reveal that aliphatic diisocyanate based polyurethanes present higher phase separation degree and harder segment crystallinity and also superior thermal stability than aromatic diisocyanate-based polyurethanes.</description><identifier>ISSN: 0094-243X</identifier><identifier>ISBN: 9780735408043</identifier><identifier>ISBN: 0735408041</identifier><identifier>DOI: 10.1063/1.3455612</identifier><language>eng</language><subject>Aliphatic compounds ; Amides ; Attenuation ; Carbonyls ; Crystallinity ; Differential scanning calorimetry ; Diisocyanates ; Elastomers ; Enthalpy ; Fourier transforms ; Glass transition temperature ; Infrared spectroscopy ; Melting ; Microstructure ; Phase separation ; Polymerization ; Polyols ; Polyurethane resins ; Reflection ; Renewable resources ; Segments ; Separation ; Stretching ; Thermal properties ; Thermal stability ; Thermogravimetric analysis ; Urethanes ; Vibration</subject><ispartof>Proceedings of the 5th International Conference, 2010, Vol.1255, p.290-293</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><contributor>D'Amore, Alberto</contributor><contributor>Acierno, Domenico</contributor><contributor>Grassia, Luigi</contributor><creatorcontrib>Angeles Corcuera, M</creatorcontrib><creatorcontrib>Rueda, Lorena</creatorcontrib><creatorcontrib>D'Arlas, Borja Fernandez</creatorcontrib><creatorcontrib>Saralegui, Ainara</creatorcontrib><creatorcontrib>Marieta, Cristina</creatorcontrib><creatorcontrib>Arbelaiz, Aitor</creatorcontrib><creatorcontrib>Mondragon, Ifiaki</creatorcontrib><creatorcontrib>Eceiza, Arantxa</creatorcontrib><title>Effect of Diisocyanate Structure on Thermal Properties and Microstructure of Polyurethanes Based on Polyols Derived from Renewable Resources</title><title>Proceedings of the 5th International Conference</title><description>Polyols derived from renewables resources are good candidates to obtaining segmented polyurethane elastomers. Diisocyanates with different chemical structure, aliphatic and aromatic, have been used to synthesize by a two step polymerization procedure polyurethane elastomers with different hard segment content. Microphase separation and thermal stability have been studied using attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR), differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). The analysis of the H-bonded and non H-bonded urethane carbonyl stretching vibration in the amide I region, the glass transition temperature of the soft and hard segments and the melting temperature and enthalpies of hard segment reveal that aliphatic diisocyanate based polyurethanes present higher phase separation degree and harder segment crystallinity and also superior thermal stability than aromatic diisocyanate-based polyurethanes.</description><subject>Aliphatic compounds</subject><subject>Amides</subject><subject>Attenuation</subject><subject>Carbonyls</subject><subject>Crystallinity</subject><subject>Differential scanning calorimetry</subject><subject>Diisocyanates</subject><subject>Elastomers</subject><subject>Enthalpy</subject><subject>Fourier transforms</subject><subject>Glass transition temperature</subject><subject>Infrared spectroscopy</subject><subject>Melting</subject><subject>Microstructure</subject><subject>Phase separation</subject><subject>Polymerization</subject><subject>Polyols</subject><subject>Polyurethane resins</subject><subject>Reflection</subject><subject>Renewable resources</subject><subject>Segments</subject><subject>Separation</subject><subject>Stretching</subject><subject>Thermal properties</subject><subject>Thermal stability</subject><subject>Thermogravimetric analysis</subject><subject>Urethanes</subject><subject>Vibration</subject><issn>0094-243X</issn><isbn>9780735408043</isbn><isbn>0735408041</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2010</creationdate><recordtype>conference_proceeding</recordtype><recordid>eNpFT81KAzEYDKhgrT34Brl52ppsfveobf2BikUreCvZ7Be6srupSVbpO_jQblHwNMMwM8wgdEHJlBLJruiUcSEkzY_QpFCaKCY40YSzYzQipOBZztnbKTqL8Z2QvFBKj9D3wjmwCXuH53Udvd2bziTALyn0NvUBsO_weguhNQ1eBb-DkGqI2HQVfqxt8PHf6PDKN_uBpq3pBs-NiVAd8gfZNxHPIdSfg-SCb_EzdPBlygYGFn0fLMRzdOJME2Hyh2P0ertYz-6z5dPdw-x6me2oVimjKhesdJLSigpWKVJpzS2jNlesIKWSwzcioSwKWlIGitgKjHbWSWGpYY6N0eVv7y74jx5i2rR1tNA0w2zfx40STEkueM5-ALgqaQg</recordid><startdate>20100101</startdate><enddate>20100101</enddate><creator>Angeles Corcuera, M</creator><creator>Rueda, Lorena</creator><creator>D'Arlas, Borja Fernandez</creator><creator>Saralegui, Ainara</creator><creator>Marieta, Cristina</creator><creator>Arbelaiz, Aitor</creator><creator>Mondragon, Ifiaki</creator><creator>Eceiza, Arantxa</creator><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20100101</creationdate><title>Effect of Diisocyanate Structure on Thermal Properties and Microstructure of Polyurethanes Based on Polyols Derived from Renewable Resources</title><author>Angeles Corcuera, M ; Rueda, Lorena ; D'Arlas, Borja Fernandez ; Saralegui, Ainara ; Marieta, Cristina ; Arbelaiz, Aitor ; Mondragon, Ifiaki ; Eceiza, Arantxa</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p187t-17253bf611d153d70d884c31c27390b7629706eb991b13e70cdea8fcf65c1a3f3</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Aliphatic compounds</topic><topic>Amides</topic><topic>Attenuation</topic><topic>Carbonyls</topic><topic>Crystallinity</topic><topic>Differential scanning calorimetry</topic><topic>Diisocyanates</topic><topic>Elastomers</topic><topic>Enthalpy</topic><topic>Fourier transforms</topic><topic>Glass transition temperature</topic><topic>Infrared spectroscopy</topic><topic>Melting</topic><topic>Microstructure</topic><topic>Phase separation</topic><topic>Polymerization</topic><topic>Polyols</topic><topic>Polyurethane resins</topic><topic>Reflection</topic><topic>Renewable resources</topic><topic>Segments</topic><topic>Separation</topic><topic>Stretching</topic><topic>Thermal properties</topic><topic>Thermal stability</topic><topic>Thermogravimetric analysis</topic><topic>Urethanes</topic><topic>Vibration</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Angeles Corcuera, M</creatorcontrib><creatorcontrib>Rueda, Lorena</creatorcontrib><creatorcontrib>D'Arlas, Borja Fernandez</creatorcontrib><creatorcontrib>Saralegui, Ainara</creatorcontrib><creatorcontrib>Marieta, Cristina</creatorcontrib><creatorcontrib>Arbelaiz, Aitor</creatorcontrib><creatorcontrib>Mondragon, Ifiaki</creatorcontrib><creatorcontrib>Eceiza, Arantxa</creatorcontrib><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Angeles Corcuera, M</au><au>Rueda, Lorena</au><au>D'Arlas, Borja Fernandez</au><au>Saralegui, Ainara</au><au>Marieta, Cristina</au><au>Arbelaiz, Aitor</au><au>Mondragon, Ifiaki</au><au>Eceiza, Arantxa</au><au>D'Amore, Alberto</au><au>Acierno, Domenico</au><au>Grassia, Luigi</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Effect of Diisocyanate Structure on Thermal Properties and Microstructure of Polyurethanes Based on Polyols Derived from Renewable Resources</atitle><btitle>Proceedings of the 5th International Conference</btitle><date>2010-01-01</date><risdate>2010</risdate><volume>1255</volume><spage>290</spage><epage>293</epage><pages>290-293</pages><issn>0094-243X</issn><isbn>9780735408043</isbn><isbn>0735408041</isbn><abstract>Polyols derived from renewables resources are good candidates to obtaining segmented polyurethane elastomers. Diisocyanates with different chemical structure, aliphatic and aromatic, have been used to synthesize by a two step polymerization procedure polyurethane elastomers with different hard segment content. Microphase separation and thermal stability have been studied using attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR), differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). The analysis of the H-bonded and non H-bonded urethane carbonyl stretching vibration in the amide I region, the glass transition temperature of the soft and hard segments and the melting temperature and enthalpies of hard segment reveal that aliphatic diisocyanate based polyurethanes present higher phase separation degree and harder segment crystallinity and also superior thermal stability than aromatic diisocyanate-based polyurethanes.</abstract><doi>10.1063/1.3455612</doi><tpages>4</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0094-243X |
| ispartof | Proceedings of the 5th International Conference, 2010, Vol.1255, p.290-293 |
| issn | 0094-243X |
| language | eng |
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| source | AIP Journals Complete |
| subjects | Aliphatic compounds Amides Attenuation Carbonyls Crystallinity Differential scanning calorimetry Diisocyanates Elastomers Enthalpy Fourier transforms Glass transition temperature Infrared spectroscopy Melting Microstructure Phase separation Polymerization Polyols Polyurethane resins Reflection Renewable resources Segments Separation Stretching Thermal properties Thermal stability Thermogravimetric analysis Urethanes Vibration |
| title | Effect of Diisocyanate Structure on Thermal Properties and Microstructure of Polyurethanes Based on Polyols Derived from Renewable Resources |
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