{"id":"https://openalex.org/W2015991680","doi":"https://doi.org/10.1080/01932691.2012.739857","title":"Preparation the Esters of Oleic Acid-Maleic Anhydride Copolymer and Their Evaluation as Flow Improvers for Waxy Crude Oil","display_name":"Preparation the Esters of Oleic Acid-Maleic Anhydride Copolymer and Their Evaluation as Flow Improvers for Waxy Crude Oil","publication_year":2012,"publication_date":"2012-11-05","ids":{"openalex":"https://openalex.org/W2015991680","doi":"https://doi.org/10.1080/01932691.2012.739857","mag":"2015991680"},"language":"en","primary_location":{"id":"doi:10.1080/01932691.2012.739857","doi":"https://doi.org/10.1080/01932691.2012.739857","is_oa":false,"landing_page_url":"https://doi.org/10.1080/01932691.2012.739857","pdf_url":null,"source":{"id":"https://openalex.org/S65464001","display_name":"Journal of Dispersion Science and Technology","issn_l":"0193-2691","issn":["0193-2691","1532-2351"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","norway-1","poland-40","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Dispersion Science and Technology","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/A5032134126","display_name":"A.M. Al-Sabagh","orcid":"https://orcid.org/0000-0001-6311-1021","observed_orcids":["https://orcid.org/0000-0001-6311-1021"]},"institutions":[{"id":"https://openalex.org/I88126159","display_name":"Egyptian Petroleum Research Institute","ror":"https://ror.org/044panr52","country_code":"EG","type":"facility","lineage":["https://openalex.org/I88126159"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"A. M. Al-Sabagh","raw_affiliation_strings":["Department of Petroleum Applications, Egyptian Petroleum Research Institute (EPRI), Cairo, Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Petroleum Applications, Egyptian Petroleum Research Institute (EPRI), Cairo, Egypt","institution_ids":["https://openalex.org/I88126159"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108387057","display_name":"S.H. El-Hamouly","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"S. H. El-Hamouly","raw_affiliation_strings":["Department of Chemistry, Faculty of Science, Monofeya University, Monofeya, Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry, Faculty of Science, Monofeya University, Monofeya, Egypt","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061434143","display_name":"Taisir Taha Khidr","orcid":"https://orcid.org/0000-0002-3318-2774","observed_orcids":["https://orcid.org/0000-0002-3318-2774"]},"institutions":[{"id":"https://openalex.org/I88126159","display_name":"Egyptian Petroleum Research Institute","ror":"https://ror.org/044panr52","country_code":"EG","type":"facility","lineage":["https://openalex.org/I88126159"]}],"countries":["EG"],"is_corresponding":true,"raw_author_name":"T. T. Khidr","raw_affiliation_strings":["Department of Petroleum Applications, Egyptian Petroleum Research Institute (EPRI), Cairo, Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Petroleum Applications, Egyptian Petroleum Research Institute (EPRI), Cairo, Egypt","institution_ids":["https://openalex.org/I88126159"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034200308","display_name":"Rasha A. El\u2010Ghazawy","orcid":"https://orcid.org/0000-0002-0609-3469","observed_orcids":["https://orcid.org/0000-0002-0609-3469"]},"institutions":[{"id":"https://openalex.org/I88126159","display_name":"Egyptian Petroleum Research Institute","ror":"https://ror.org/044panr52","country_code":"EG","type":"facility","lineage":["https://openalex.org/I88126159"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"R. A. El-Ghazawy","raw_affiliation_strings":["Department of Petroleum Applications, Egyptian Petroleum Research Institute (EPRI), Cairo, Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Petroleum Applications, Egyptian Petroleum Research Institute (EPRI), Cairo, Egypt","institution_ids":["https://openalex.org/I88126159"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110470786","display_name":"Shimaa A. Higazy","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I88126159","display_name":"Egyptian Petroleum Research Institute","ror":"https://ror.org/044panr52","country_code":"EG","type":"facility","lineage":["https://openalex.org/I88126159"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Sh. A. Higazy","raw_affiliation_strings":["Department of Petroleum Applications, Egyptian Petroleum Research Institute (EPRI), Cairo, Egypt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Petroleum Applications, Egyptian Petroleum Research Institute (EPRI), Cairo, Egypt","institution_ids":["https://openalex.org/I88126159"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5061434143"],"corresponding_institution_ids":["https://openalex.org/I88126159"],"apc_list":null,"apc_paid":null,"fwci":1.2616,"has_fulltext":false,"cited_by_count":51,"citation_normalized_percentile":{"value":0.74949165,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"34","issue":"11","first_page":"1585","last_page":"1596"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11630","display_name":"Petroleum Processing and Analysis","score":0.8978999853134155,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11630","display_name":"Petroleum Processing and Analysis","score":0.8978999853134155,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11557","display_name":"Lubricants and Their Additives","score":0.05609999969601631,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11379","display_name":"Rheology and Fluid Dynamics Studies","score":0.023600000888109207,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/esterification","display_name":"esterification","score":0.6470000147819519},{"id":"https://openalex.org/keywords/long-chain-fatty-alcohols","display_name":"long-chain alcohols","score":0.800000011920929},{"id":"https://openalex.org/keywords/pour-point-depressants","display_name":"pour point depressants","score":0.847000002861023},{"id":"https://openalex.org/keywords/waxy-crude-oil","display_name":"waxy crude oil","score":0.8569999933242798},{"id":"https://openalex.org/keywords/flow-improvers","display_name":"flow improvers","score":0.9520000219345093},{"id":"https://openalex.org/keywords/wax-morphology","display_name":"wax morphology","score":0.46799999475479126},{"id":"https://openalex.org/keywords/rheology","display_name":"rheology","score":0.6800000071525574},{"id":"https://openalex.org/keywords/polymer-additives","display_name":"polymer additives","score":0.414000004529953}],"concepts":[{"id":"https://openalex.org/C69304742","wikidata":"https://www.wikidata.org/wiki/Q431684","display_name":"Pour point","level":2,"score":0.8734607696533203},{"id":"https://openalex.org/C2777666793","wikidata":"https://www.wikidata.org/wiki/Q412377","display_name":"Maleic anhydride","level":4,"score":0.8114463090896606},{"id":"https://openalex.org/C2781403372","wikidata":"https://www.wikidata.org/wiki/Q207688","display_name":"Oleic acid","level":2,"score":0.7231498956680298},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.6628490686416626},{"id":"https://openalex.org/C15920480","wikidata":"https://www.wikidata.org/wiki/Q421281","display_name":"Copolymer","level":3,"score":0.5835199952125549},{"id":"https://openalex.org/C2779091418","wikidata":"https://www.wikidata.org/wiki/Q17992308","display_name":"Acid anhydride","level":3,"score":0.558995246887207},{"id":"https://openalex.org/C63179538","wikidata":"https://www.wikidata.org/wiki/Q854422","display_name":"Gel permeation chromatography","level":3,"score":0.5468028783798218},{"id":"https://openalex.org/C11432220","wikidata":"https://www.wikidata.org/wiki/Q1975334","display_name":"Dispersity","level":2,"score":0.5147014260292053},{"id":"https://openalex.org/C521977710","wikidata":"https://www.wikidata.org/wiki/Q81163","display_name":"Polymer","level":2,"score":0.43937522172927856},{"id":"https://openalex.org/C153033020","wikidata":"https://www.wikidata.org/wiki/Q124695","display_name":"Wax","level":2,"score":0.43773970007896423},{"id":"https://openalex.org/C188027245","wikidata":"https://www.wikidata.org/wiki/Q750446","display_name":"Polymer chemistry","level":1,"score":0.42663976550102234},{"id":"https://openalex.org/C13965031","wikidata":"https://www.wikidata.org/wiki/Q243545","display_name":"Nuclear chemistry","level":1,"score":0.39477866888046265},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.3899271488189697},{"id":"https://openalex.org/C166595027","wikidata":"https://www.wikidata.org/wiki/Q143983","display_name":"Epoxy","level":2,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1080/01932691.2012.739857","doi":"https://doi.org/10.1080/01932691.2012.739857","is_oa":false,"landing_page_url":"https://doi.org/10.1080/01932691.2012.739857","pdf_url":null,"source":{"id":"https://openalex.org/S65464001","display_name":"Journal of Dispersion Science and Technology","issn_l":"0193-2691","issn":["0193-2691","1532-2351"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","norway-1","poland-40","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Dispersion Science and Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W1979072782","https://openalex.org/W1982403885","https://openalex.org/W1988186724","https://openalex.org/W1989981173","https://openalex.org/W1992394161","https://openalex.org/W1993492309","https://openalex.org/W2000507334","https://openalex.org/W2010396240","https://openalex.org/W2012286355","https://openalex.org/W2020111737","https://openalex.org/W2028802130","https://openalex.org/W2033010842","https://openalex.org/W2036196722","https://openalex.org/W2039246905","https://openalex.org/W2040529598","https://openalex.org/W2043343197","https://openalex.org/W2043983668","https://openalex.org/W2048828657","https://openalex.org/W2054181562","https://openalex.org/W2080951497","https://openalex.org/W2082152814","https://openalex.org/W2088517488","https://openalex.org/W2090883849","https://openalex.org/W2099122657","https://openalex.org/W2114405030","https://openalex.org/W2126795303","https://openalex.org/W2136273058","https://openalex.org/W2147032020","https://openalex.org/W2150756281","https://openalex.org/W2172168935","https://openalex.org/W2182456590","https://openalex.org/W4243344032","https://openalex.org/W4247049557"],"related_works":["https://openalex.org/W2088517488","https://openalex.org/W2147184609","https://openalex.org/W4414887423","https://openalex.org/W1575428967","https://openalex.org/W2319018448","https://openalex.org/W2193581889","https://openalex.org/W2517903899","https://openalex.org/W2023635564","https://openalex.org/W2696209270","https://openalex.org/W2758248145"],"abstract_inverted_index":{"Five":[0],"comb-like":[1],"copolymers":[2,48],"derived":[3],"from":[4,83],"oleic":[5],"acid-maleic":[6],"anhydride":[7],"were":[8,27,49,166,184],"prepared":[9,47],"and":[10,31,54,129,164,169,187],"then":[11],"esterified":[12,105],"by":[13,29,40,76,101,106],"long-chain":[14,80],"fatty":[15],"alcohol":[16,81,107],"(POMA":[17],"Cn),":[18],"where":[19],"n":[20],"=":[21,88],"18,":[22],"20,":[23],"22.":[24],"These":[25],"polymers":[26,125],"characterized":[28],"FTIR":[30],"1H":[32],"NMR":[33],"analysis.":[34],"The":[35,46,113,154],"molecular":[36,127],"weight":[37],"was":[38,66,74,95,119,142,203,209],"determined":[39],"using":[41,198],"gel":[42],"permeation":[43],"chromatography":[44],"(GPC).":[45],"investigated":[50],"as":[51],"flow":[52,139],"improvers":[53],"pour":[55,116],"point":[56,117],"depressants":[57],"(PPD)":[58],"for":[59,156,176],"crude":[60,157,179],"oil.":[61],"From":[62],"the":[63,69,91,110,122,134,137,145,149,174,177,194,199,206],"evaluation,":[64],"it":[65,94,141,202],"found":[67,143,204],"that,":[68,205],"maximum":[70],"depression":[71,99,114],"of":[72,115,124,136,216],"PP":[73],"obtained":[75,100],"(POMA2":[77,102],"C22)":[78],"with":[79,181],"(C22\u2013OH)":[82],"27\u00b0C":[84],"to":[85,212],"15\u00b0C":[86],"(\u0394PP3000ppm":[87],"\u221212\u00b0C).":[89],"On":[90],"other":[92],"side,":[93],"remarked":[96],"that":[97,144],"no":[98],"C18),":[103],"which":[104],"(C18\u2013OH)":[108],"at":[109,190,193],"same":[111,195],"condition.":[112],"effectiveness":[118],"discussed":[120],"on":[121],"light":[123],"structure,":[126],"weights,":[128],"their":[130],"concentrations.":[131],"By":[132,197],"analysis":[133],"results":[135],"rheological":[138],"properties,":[140],"POMA2":[146,182],"C22":[147,183],"enhanced":[148],"Bingham":[150],"yield":[151],"values":[152],"(\u03c4\u03b2).":[153],"\u03c4\u03b2":[155,175],"oil":[158,180],"without":[159],"additives":[160],"against":[161],"15,":[162],"27,":[163],"39\u00b0C":[165],"0.286,":[167],"0.131,":[168],"0.075":[170],"Pa":[171,189],"respectively,":[172],"whereas":[173],"treated":[178],"0.027,":[185],"0.022":[186],"0.010":[188],"3000":[191],"ppm":[192],"temperatures.":[196],"photomicrography":[200],"analysis,":[201],"wax":[207],"morphology":[208],"greatly":[210],"modified":[211],"fine":[213],"dispersed":[214],"crystals":[215],"compact":[217],"size.":[218]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":8},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":1}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}
