{"id":"https://openalex.org/W1984046813","doi":"https://doi.org/10.1063/1.1699711","title":"Second-Order Transition Temperatures and Related Properties of Polystyrene. I. Influence of Molecular Weight","display_name":"Second-Order Transition Temperatures and Related Properties of Polystyrene. I. Influence of Molecular Weight","publication_year":1950,"publication_date":"1950-06-01","ids":{"openalex":"https://openalex.org/W1984046813","doi":"https://doi.org/10.1063/1.1699711","mag":"1984046813"},"language":"en","primary_location":{"id":"doi:10.1063/1.1699711","doi":"https://doi.org/10.1063/1.1699711","is_oa":false,"landing_page_url":"https://doi.org/10.1063/1.1699711","pdf_url":null,"source":{"id":"https://openalex.org/S187991544","display_name":"Journal of Applied Physics","issn_l":"0021-8979","issn":["0021-8979","1089-7550","1520-8850"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-d","jufo-1","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320257","host_organization_name":"American Institute of Physics","host_organization_lineage":["https://openalex.org/P4310320257"],"host_organization_lineage_names":["American Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Applied Physics","raw_type":"journal-article"},"volume":null,"type":"article","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/A5001975504","display_name":"Thomas Fox","orcid":"https://orcid.org/0000-0002-7572-8210","observed_orcids":["https://orcid.org/0000-0002-7572-8210"]},"institutions":[{"id":"https://openalex.org/I205783295","display_name":"Cornell University","ror":"https://ror.org/05bnh6r87","country_code":"US","type":"education","lineage":["https://openalex.org/I205783295"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Thomas G. Fox","raw_affiliation_strings":["Department of Chemistry, Cornell University, Ithaca, New York"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry, Cornell University, Ithaca, New York","institution_ids":["https://openalex.org/I205783295"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5058114693","display_name":"Paul J. Flory","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I205783295","display_name":"Cornell University","ror":"https://ror.org/05bnh6r87","country_code":"US","type":"education","lineage":["https://openalex.org/I205783295"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Paul J. Flory","raw_affiliation_strings":["Department of Chemistry, Cornell University, Ithaca, New York"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry, Cornell University, Ithaca, New York","institution_ids":["https://openalex.org/I205783295"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I205783295"],"apc_list":{"value":3500,"currency":"USD","value_usd":3500},"apc_paid":null,"fwci":17.6902,"has_fulltext":false,"cited_by_count":2426,"citation_normalized_percentile":{"value":0.9957487,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"21","issue":"6","first_page":"581","last_page":"591"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10474","display_name":"Material Dynamics and Properties","score":0.5913000106811523,"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"}},"topics":[{"id":"https://openalex.org/T10474","display_name":"Material Dynamics and Properties","score":0.5913000106811523,"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"}},{"id":"https://openalex.org/T11379","display_name":"Rheology and Fluid Dynamics Studies","score":0.396699994802475,"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/T10389","display_name":"Polymer crystallization and properties","score":0.002400000113993883,"subfield":{"id":"https://openalex.org/subfields/2507","display_name":"Polymers and Plastics"},"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/polystyrene","display_name":"polystyrene","score":0.9929999709129333},{"id":"https://openalex.org/keywords/molecular-weight-dependence","display_name":"molecular weight dependence","score":0.9390000104904175},{"id":"https://openalex.org/keywords/specific-volume","display_name":"specific volume","score":0.9909999966621399},{"id":"https://openalex.org/keywords/polymeric-liquids","display_name":"polymeric liquids","score":0.3889999985694885},{"id":"https://openalex.org/keywords/dilatometry","display_name":"dilatometry","score":0.6100000143051147},{"id":"https://openalex.org/keywords/viscosity-measurement","display_name":"viscosity measurement","score":0.8550000190734863},{"id":"https://openalex.org/keywords/empirical-relationships","display_name":"empirical correlations","score":0.4690000116825104}],"concepts":[{"id":"https://openalex.org/C2777922577","wikidata":"https://www.wikidata.org/wiki/Q146243","display_name":"Polystyrene","level":3,"score":0.809860110282898},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.6980865001678467},{"id":"https://openalex.org/C521977710","wikidata":"https://www.wikidata.org/wiki/Q81163","display_name":"Polymer","level":2,"score":0.6334089040756226},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.5522933006286621},{"id":"https://openalex.org/C2775997480","wikidata":"https://www.wikidata.org/wiki/Q586277","display_name":"Degree (music)","level":2,"score":0.5321288108825684},{"id":"https://openalex.org/C127172972","wikidata":"https://www.wikidata.org/wiki/Q128709","display_name":"Viscosity","level":2,"score":0.5155813097953796},{"id":"https://openalex.org/C47542005","wikidata":"https://www.wikidata.org/wiki/Q7834435","display_name":"Transition temperature","level":3,"score":0.5090927481651306},{"id":"https://openalex.org/C2987642246","wikidata":"https://www.wikidata.org/wiki/Q5452196","display_name":"First order","level":2,"score":0.45214515924453735},{"id":"https://openalex.org/C158117686","wikidata":"https://www.wikidata.org/wiki/Q909693","display_name":"Molar mass distribution","level":3,"score":0.45083606243133545},{"id":"https://openalex.org/C20556612","wikidata":"https://www.wikidata.org/wiki/Q4469374","display_name":"Volume (thermodynamics)","level":2,"score":0.4351201057434082},{"id":"https://openalex.org/C188027245","wikidata":"https://www.wikidata.org/wiki/Q750446","display_name":"Polymer chemistry","level":1,"score":0.34772053360939026},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.321346640586853},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.1876419484615326},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.15158843994140625},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.11542835831642151},{"id":"https://openalex.org/C26873012","wikidata":"https://www.wikidata.org/wiki/Q214781","display_name":"Condensed matter physics","level":1,"score":0.08368077874183655},{"id":"https://openalex.org/C54101563","wikidata":"https://www.wikidata.org/wiki/Q124131","display_name":"Superconductivity","level":2,"score":0.0},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1063/1.1699711","doi":"https://doi.org/10.1063/1.1699711","is_oa":false,"landing_page_url":"https://doi.org/10.1063/1.1699711","pdf_url":null,"source":{"id":"https://openalex.org/S187991544","display_name":"Journal of Applied Physics","issn_l":"0021-8979","issn":["0021-8979","1089-7550","1520-8850"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-d","jufo-1","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320257","host_organization_name":"American Institute of Physics","host_organization_lineage":["https://openalex.org/P4310320257"],"host_organization_lineage_names":["American Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Applied Physics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1982481986","https://openalex.org/W2000216463","https://openalex.org/W2001935106","https://openalex.org/W2032257557","https://openalex.org/W2084373625","https://openalex.org/W2086739819","https://openalex.org/W2088985844","https://openalex.org/W2094106974","https://openalex.org/W2111787096","https://openalex.org/W2126264340","https://openalex.org/W2131777527","https://openalex.org/W2166351042","https://openalex.org/W2313488215","https://openalex.org/W2321337761","https://openalex.org/W2335655142","https://openalex.org/W2613743543","https://openalex.org/W4249158364"],"related_works":["https://openalex.org/W2002997916","https://openalex.org/W2354452863","https://openalex.org/W2052448730","https://openalex.org/W2377507864","https://openalex.org/W2064086148","https://openalex.org/W4237902291","https://openalex.org/W2042209018","https://openalex.org/W2026373995","https://openalex.org/W2072093052","https://openalex.org/W2058904997"],"abstract_inverted_index":{"Dilatometric":[0],"and":[1,23,52,74,126],"viscometric":[2],"data":[3],"on":[4,59,76],"fractionated":[5],"polystyrenes":[6,132],"containing":[7],"diethylbenzene":[8],"end":[9,97],"groups":[10,98],"are":[11,37,44,72],"presented":[12,45],"over":[13],"wide":[14],"temperature":[15],"ranges.":[16],"The":[17,108,117],"second-order":[18,109,135],"transition":[19,110,136],"temperature,":[20,129],"viscosity-temperature":[21],"coefficient,":[22],"specific":[24],"volume":[25],"all":[26,131],"change":[27],"rapidly":[28],"with":[29],"increasing":[30],"molecular":[31,50,60],"weight":[32,51,61],"toward":[33],"asymptotic":[34],"limits":[35],"which":[36],"practically":[38],"reached":[39],"at":[40],"M\u224530,000.":[41],"Empirical":[42],"expressions":[43],"relating":[46],"these":[47],"properties":[48],"to":[49,99,105,123],"temperature.":[53],"In":[54],"each":[55],"case":[56],"the":[57,77,80,83,94],"dependence":[58],"is":[62,91,103],"expressed":[63],"as":[64],"a":[65,88,100],"simple":[66],"function":[67],"of":[68,79,96,128],"M\u0304n\u22121.":[69],"These":[70],"observations":[71],"interpreted":[73],"correlated":[75],"basis":[78],"hypothesis":[81],"that":[82,102],"local":[84,119],"configurational":[85,120],"order":[86],"in":[87,130],"liquid":[89],"polymer":[90],"disturbed":[92],"by":[93],"introduction":[95],"degree":[101],"proportional":[104],"their":[106,134],"number.":[107],"does":[111],"not":[112],"represent":[113],"an":[114],"isoviscous":[115],"state.":[116],"internal":[118],"structure":[121],"appears":[122],"be":[124],"equivalent,":[125],"independent":[127],"below":[133],"temperatures.":[137]},"counts_by_year":[{"year":2026,"cited_by_count":82},{"year":2025,"cited_by_count":89},{"year":2024,"cited_by_count":86},{"year":2023,"cited_by_count":62},{"year":2022,"cited_by_count":93},{"year":2021,"cited_by_count":108},{"year":2020,"cited_by_count":104},{"year":2019,"cited_by_count":101},{"year":2018,"cited_by_count":94},{"year":2017,"cited_by_count":111},{"year":2016,"cited_by_count":80},{"year":2015,"cited_by_count":86},{"year":2014,"cited_by_count":57},{"year":2013,"cited_by_count":51},{"year":2012,"cited_by_count":57}],"updated_date":"2026-10-15T10:00:46.086208","created_date":"2025-10-10T00:00:00"}
