POLIIMIDAS CON PROPIEDADES PIEZOELECTRICAS
The invention defines polyimides with good piezoelectric properties at high temperatures having a repeating structural unit of formula (I) wherein X and Y represent hydrogen and cyano, with the proviso that when one of X and Y is hydrogen, the other one is cyano. The invention also defines a process...
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| creator | GONZALO GONZALEZ BEATRIZ LEON ISIDRO LUIS MANUEL BRECZEWSKI TOMASZ DIOS PEON JOSE RAMON VILAS VILELA JOSE LUIS PEREZ JUBINDO MIGUEL ANGEL |
| description | The invention defines polyimides with good piezoelectric properties at high temperatures having a repeating structural unit of formula (I) wherein X and Y represent hydrogen and cyano, with the proviso that when one of X and Y is hydrogen, the other one is cyano. The invention also defines a process for the preparation of these polyimides. It likewise defines diamines for the preparation thereof and a process for obtaining these diamines. Finally, the invention defines the use of said polyimides in a wide range of industrial applications since they have good remanent polarization values as well as stability at high temperatures and are furthermore flexible and lightweight. |
| format | Patent |
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The invention also defines a process for the preparation of these polyimides. It likewise defines diamines for the preparation thereof and a process for obtaining these diamines. Finally, the invention defines the use of said polyimides in a wide range of industrial applications since they have good remanent polarization values as well as stability at high temperatures and are furthermore flexible and lightweight.</description><language>spa</language><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; ELECTRICITY ; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ; METALLURGY ; ORGANIC CHEMISTRY ; ORGANIC MACROMOLECULAR COMPOUNDS ; THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><creationdate>2010</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20100108&DB=EPODOC&CC=ES&NR=2311414B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20100108&DB=EPODOC&CC=ES&NR=2311414B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GONZALO GONZALEZ BEATRIZ</creatorcontrib><creatorcontrib>LEON ISIDRO LUIS MANUEL</creatorcontrib><creatorcontrib>BRECZEWSKI TOMASZ</creatorcontrib><creatorcontrib>DIOS PEON JOSE RAMON</creatorcontrib><creatorcontrib>VILAS VILELA JOSE LUIS</creatorcontrib><creatorcontrib>PEREZ JUBINDO MIGUEL ANGEL</creatorcontrib><title>POLIIMIDAS CON PROPIEDADES PIEZOELECTRICAS</title><description>The invention defines polyimides with good piezoelectric properties at high temperatures having a repeating structural unit of formula (I) wherein X and Y represent hydrogen and cyano, with the proviso that when one of X and Y is hydrogen, the other one is cyano. 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The invention also defines a process for the preparation of these polyimides. It likewise defines diamines for the preparation thereof and a process for obtaining these diamines. Finally, the invention defines the use of said polyimides in a wide range of industrial applications since they have good remanent polarization values as well as stability at high temperatures and are furthermore flexible and lightweight.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY COMPOSITIONS BASED THEREON ELECTRICITY MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | POLIIMIDAS CON PROPIEDADES PIEZOELECTRICAS |
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