{"id":"https://openalex.org/W2089908387","doi":"https://doi.org/10.1002/pen.10459","title":"Competition between textural transitions and pressure effects on the viscosity of thermotropic liquid\u2010crystal polymers","display_name":"Competition between textural transitions and pressure effects on the viscosity of thermotropic liquid\u2010crystal polymers","publication_year":1996,"publication_date":"1996-03-01","ids":{"openalex":"https://openalex.org/W2089908387","doi":"https://doi.org/10.1002/pen.10459","mag":"2089908387"},"language":"en","primary_location":{"id":"doi:10.1002/pen.10459","doi":"https://doi.org/10.1002/pen.10459","is_oa":false,"landing_page_url":"https://doi.org/10.1002/pen.10459","pdf_url":null,"source":{"id":"https://openalex.org/S114499311","display_name":"Polymer Engineering and Science","issn_l":"0032-3888","issn":["0032-3888","0096-8129","1548-2634"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-d","jufo-1","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Polymer Engineering & Science","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5060104928","display_name":"Pilar Izu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I169108374","display_name":"University of the Basque Country","ror":"https://ror.org/000xsnr85","country_code":"ES","type":"education","lineage":["https://openalex.org/I169108374"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Pilar Izu","raw_affiliation_strings":["Departamento de Ciencia y Technologi\u0301a de Poli\u0301meros Universidad del Pai\u0301s Vasco E-20080 San Sebastia\u0301n, Spain","Departamento de Ciencia y Technolog\u00eda de Pol\u00edmeros Universidad del Pa\u00eds Vasco E-20080 San Sebasti\u00e1n, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Departamento de Ciencia y Technologi\u0301a de Poli\u0301meros Universidad del Pai\u0301s Vasco E-20080 San Sebastia\u0301n, Spain","institution_ids":["https://openalex.org/I169108374"]},{"raw_affiliation_string":"Departamento de Ciencia y Technolog\u00eda de Pol\u00edmeros Universidad del Pa\u00eds Vasco E-20080 San Sebasti\u00e1n, Spain","institution_ids":["https://openalex.org/I169108374"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111535479","display_name":"M. E. Mu\u00f1oz","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I169108374","display_name":"University of the Basque Country","ror":"https://ror.org/000xsnr85","country_code":"ES","type":"education","lineage":["https://openalex.org/I169108374"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"M. Eugenia Mu\u00f1oz","raw_affiliation_strings":["Departamento de Ciencia y Technologi\u0301a de Poli\u0301meros Universidad del Pai\u0301s Vasco E-20080 San Sebastia\u0301n, Spain","Departamento de Ciencia y Technolog\u00eda de Pol\u00edmeros Universidad del Pa\u00eds Vasco E-20080 San Sebasti\u00e1n, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Departamento de Ciencia y Technologi\u0301a de Poli\u0301meros Universidad del Pai\u0301s Vasco E-20080 San Sebastia\u0301n, Spain","institution_ids":["https://openalex.org/I169108374"]},{"raw_affiliation_string":"Departamento de Ciencia y Technolog\u00eda de Pol\u00edmeros Universidad del Pa\u00eds Vasco E-20080 San Sebasti\u00e1n, Spain","institution_ids":["https://openalex.org/I169108374"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026445513","display_name":"Juan Jos\u00e9 Pe\u00f1a","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I169108374","display_name":"University of the Basque Country","ror":"https://ror.org/000xsnr85","country_code":"ES","type":"education","lineage":["https://openalex.org/I169108374"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Juan Jos\u00e9 Pe\u00f1a","raw_affiliation_strings":["Departamento de Ciencia y Technologi\u0301a de Poli\u0301meros Universidad del Pai\u0301s Vasco E-20080 San Sebastia\u0301n, Spain","Departamento de Fi\u0301sica de Materiales Facultad de Qui\u0301mica Universidad del Pai\u0301s Vasco E-20080 San Sebastia\u0301n, Spain","Departamento de Ciencia y Technolog\u00eda de Pol\u00edmeros Universidad del Pa\u00eds Vasco E-20080 San Sebasti\u00e1n, Spain","Departamento de F\u00edsica de Materiales Facultad de Qu\u00edmica Universidad del Pa\u00eds Vasco E-20080 San Sebasti\u00e1n, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Departamento de Ciencia y Technologi\u0301a de Poli\u0301meros Universidad del Pai\u0301s Vasco E-20080 San Sebastia\u0301n, Spain","institution_ids":["https://openalex.org/I169108374"]},{"raw_affiliation_string":"Departamento de Fi\u0301sica de Materiales Facultad de Qui\u0301mica Universidad del Pai\u0301s Vasco E-20080 San Sebastia\u0301n, Spain","institution_ids":["https://openalex.org/I169108374"]},{"raw_affiliation_string":"Departamento de Ciencia y Technolog\u00eda de Pol\u00edmeros Universidad del Pa\u00eds Vasco E-20080 San Sebasti\u00e1n, Spain","institution_ids":["https://openalex.org/I169108374"]},{"raw_affiliation_string":"Departamento de F\u00edsica de Materiales Facultad de Qu\u00edmica Universidad del Pa\u00eds Vasco E-20080 San Sebasti\u00e1n, Spain","institution_ids":["https://openalex.org/I169108374"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103486695","display_name":"Anton Santamar\u00eda","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I169108374","display_name":"University of the Basque Country","ror":"https://ror.org/000xsnr85","country_code":"ES","type":"education","lineage":["https://openalex.org/I169108374"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Anton Santamar\u00eda","raw_affiliation_strings":["Departamento de Ciencia y Technologi\u0301a de Poli\u0301meros Universidad del Pai\u0301s Vasco E-20080 San Sebastia\u0301n, Spain","Departamento de Ciencia y Technolog\u00eda de Pol\u00edmeros Universidad del Pa\u00eds Vasco E-20080 San Sebasti\u00e1n, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Departamento de Ciencia y Technologi\u0301a de Poli\u0301meros Universidad del Pai\u0301s Vasco E-20080 San Sebastia\u0301n, Spain","institution_ids":["https://openalex.org/I169108374"]},{"raw_affiliation_string":"Departamento de Ciencia y Technolog\u00eda de Pol\u00edmeros Universidad del Pa\u00eds Vasco E-20080 San Sebasti\u00e1n, Spain","institution_ids":["https://openalex.org/I169108374"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5103486695"],"corresponding_institution_ids":["https://openalex.org/I169108374"],"apc_list":{"value":4270,"currency":"USD","value_usd":4270},"apc_paid":null,"fwci":0.8961,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.68021449,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":93},"biblio":{"volume":"36","issue":"5","first_page":"721","last_page":"730"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10306","display_name":"Liquid Crystal Research Advancements","score":0.5810999870300293,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10306","display_name":"Liquid Crystal Research Advancements","score":0.5810999870300293,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11379","display_name":"Rheology and Fluid Dynamics Studies","score":0.4140999913215637,"subfield":{"id":"https://openalex.org/subfields/1507","display_name":"Fluid Flow and Transfer Processes"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10474","display_name":"Material Dynamics and Properties","score":0.00139999995008111,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/thermotropic-liquid-crystalline-polymers","display_name":"thermotropic liquid crystalline polymers","score":0.9800000190734863},{"id":"https://openalex.org/keywords/copolyesters","display_name":"copolyesters","score":0.7799999713897705},{"id":"https://openalex.org/keywords/viscosity","display_name":"viscosity","score":0.5360000133514404},{"id":"https://openalex.org/keywords/shear-thinning","display_name":"shear thinning","score":0.5049999952316284},{"id":"https://openalex.org/keywords/flow-alignment","display_name":"flow alignment","score":0.44699999690055847},{"id":"https://openalex.org/keywords/texture-transition","display_name":"texture transition","score":0.5550000071525574},{"id":"https://openalex.org/keywords/capillary-flow","display_name":"capillary flow","score":0.5950000286102295},{"id":"https://openalex.org/keywords/transient-rheology","display_name":"transient rheology","score":0.550000011920929}],"concepts":[{"id":"https://openalex.org/C22064058","wikidata":"https://www.wikidata.org/wiki/Q7783262","display_name":"Thermotropic crystal","level":4,"score":0.9330481290817261},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.8095969557762146},{"id":"https://openalex.org/C13274807","wikidata":"https://www.wikidata.org/wiki/Q203989","display_name":"Liquid crystal","level":2,"score":0.6555115580558777},{"id":"https://openalex.org/C196806460","wikidata":"https://www.wikidata.org/wiki/Q188603","display_name":"Capillary action","level":2,"score":0.6508424878120422},{"id":"https://openalex.org/C200990466","wikidata":"https://www.wikidata.org/wiki/Q271707","display_name":"Rheology","level":2,"score":0.5159717202186584},{"id":"https://openalex.org/C127172972","wikidata":"https://www.wikidata.org/wiki/Q128709","display_name":"Viscosity","level":2,"score":0.47755035758018494},{"id":"https://openalex.org/C165682214","wikidata":"https://www.wikidata.org/wiki/Q461293","display_name":"Shear rate","level":3,"score":0.4661276340484619},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.45691993832588196},{"id":"https://openalex.org/C2781195486","wikidata":"https://www.wikidata.org/wiki/Q289436","display_name":"Texture (cosmology)","level":3,"score":0.43154653906822205},{"id":"https://openalex.org/C199215989","wikidata":"https://www.wikidata.org/wiki/Q79239196","display_name":"Slit","level":2,"score":0.4227043092250824},{"id":"https://openalex.org/C521977710","wikidata":"https://www.wikidata.org/wiki/Q81163","display_name":"Polymer","level":2,"score":0.4210440218448639},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.41869065165519714},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.2818138599395752},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.28012746572494507},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0},{"id":"https://openalex.org/C2994273327","wikidata":"https://www.wikidata.org/wiki/Q203989","display_name":"Liquid crystalline","level":3,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/pen.10459","doi":"https://doi.org/10.1002/pen.10459","is_oa":false,"landing_page_url":"https://doi.org/10.1002/pen.10459","pdf_url":null,"source":{"id":"https://openalex.org/S114499311","display_name":"Polymer Engineering and Science","issn_l":"0032-3888","issn":["0032-3888","0096-8129","1548-2634"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-d","jufo-1","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Polymer Engineering & Science","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":34,"referenced_works":["https://openalex.org/W80371438","https://openalex.org/W181124210","https://openalex.org/W652634791","https://openalex.org/W1480703846","https://openalex.org/W1968250715","https://openalex.org/W1971843610","https://openalex.org/W1974753213","https://openalex.org/W1976175560","https://openalex.org/W1980428904","https://openalex.org/W1986195360","https://openalex.org/W2000583687","https://openalex.org/W2003306731","https://openalex.org/W2006802051","https://openalex.org/W2008316807","https://openalex.org/W2009255512","https://openalex.org/W2012298284","https://openalex.org/W2013020851","https://openalex.org/W2014900968","https://openalex.org/W2018913928","https://openalex.org/W2042853474","https://openalex.org/W2050831054","https://openalex.org/W2057202384","https://openalex.org/W2069270345","https://openalex.org/W2075329838","https://openalex.org/W2083526265","https://openalex.org/W2086325146","https://openalex.org/W2087390888","https://openalex.org/W2090720157","https://openalex.org/W2102433129","https://openalex.org/W2116101332","https://openalex.org/W2153176348","https://openalex.org/W2162235645","https://openalex.org/W2171113185","https://openalex.org/W2491314025"],"related_works":["https://openalex.org/W2102433129","https://openalex.org/W2946958726","https://openalex.org/W2116101332","https://openalex.org/W2000583687","https://openalex.org/W2063902529","https://openalex.org/W181124210","https://openalex.org/W2318155903","https://openalex.org/W1967892205","https://openalex.org/W2356014498","https://openalex.org/W2083623100"],"abstract_inverted_index":{"Abstract":[0],"Steady":[1],"measurements":[2],"in":[3,11,85,88,96,103,119,122,133,140],"capillary":[4,89,123],"and":[5,8,22,25,52,61,79,177],"slit":[6,86,97,120,134],"dies":[7],"transient":[9,104,141],"experiments":[10,105,142],"a":[12,26,107,144,170,174],"cone\u2010plate":[13],"system":[14],"are":[15,155],"presented":[16],"for":[17],"two":[18],"thermotropic":[19,27],"copolyesters,":[20],"X7G\u00ae":[21,78],"Vectra":[23,29,80,114],"A950,":[24],"copolyesteramide,":[28],"B950.":[30],"The":[31],"wide":[32],"shear":[33,108,145],"rate":[34],"range":[35],"covered,":[36],"from":[37,169],"10\u22122":[38],"to":[39,44,173],"104":[40],"s\u22121,":[41],"allows":[42],"us":[43],"observe":[45],"the":[46,56,62,65,158,161,165,178],"three":[47],"regions":[48],"defined":[49],"by":[50,157],"Onogi":[51],"Asada":[53],"(1).":[54],"However,":[55],"copolyesters":[57],"on":[58,64,181],"one":[59],"hand,":[60],"copolyesteramide":[63],"other,":[66],"show":[67],"different":[68],"rheological":[69],"behavior":[70],"that":[71],"can":[72],"be":[73],"summarized":[74],"as":[75],"follows:":[76],"For":[77,113],"A950:":[81],"i.":[82,116],"higher":[83],"viscosities":[84,118],"than":[87,121],"die":[90,98,124,135],"flow;":[91,99,136],"ii.":[92,126],"upward\u2010concave":[93],"pressure":[94,131,179],"profiles":[95,132],"iii.":[100,137],"overshoot":[101,138],"peaks":[102,139],"at":[106,143],"strain":[109,146],"\u03b3M":[110,148],"=":[111,149],"2.":[112],"B950:":[115],"lower":[117],"flows;":[125],"linear":[127],"or":[128],"slightly":[129],"convex":[130],"of":[147],"180.":[150],"These":[151],"seemingly":[152],"contradictory":[153],"results":[154],"explained":[156],"competition":[159],"between":[160],"texture":[162,172],"changes":[163],"along":[164],"flow":[166],"(a":[167],"transition":[168],"worm":[171],"flow\u2010aligned":[175],"region)":[176],"effect":[180],"viscosity.":[182]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2016-06-24T00:00:00"}