{"id":"https://openalex.org/W971574101","doi":null,"title":"METALLOCENE POLYETHYLENES WITH BROAD OR BIMODAL MOLECULAR WEIGHT DISTRIBUTION","display_name":"METALLOCENE POLYETHYLENES WITH BROAD OR BIMODAL MOLECULAR WEIGHT DISTRIBUTION","publication_year":1998,"publication_date":"1998-01-01","ids":{"openalex":"https://openalex.org/W971574101","mag":"971574101"},"language":"en","primary_location":{"id":"mag:2377221902","doi":null,"is_oa":false,"landing_page_url":"https://en.cnki.com.cn/Article_en/CJFDTOTAL-GFZK199804013.htm","pdf_url":null,"source":{"id":"https://openalex.org/S11406725","display_name":"Chinese Journal of Polymer Science","issn_l":"0256-7679","issn":["0256-7679","1439-6203","1793-7043"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Chinese Journal of Polymer Science","raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"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/A5036516111","display_name":"\u7530\u519b","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I205237279","display_name":"Nankai University","ror":"https://ror.org/01y1kjr75","country_code":"CN","type":"education","lineage":["https://openalex.org/I205237279"]},{"id":"https://openalex.org/I4210092888","display_name":"Changchun Institute of Applied Chemistry","ror":"https://ror.org/00h52n341","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210092888"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jia Tian","raw_affiliation_strings":["HUANG Baotong Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun 130022, China Nankai University, Tianjin 300071, China"],"raw_orcid":"https://orcid.org/0000-0002-8339-0563","affiliations":[{"raw_affiliation_string":"HUANG Baotong Changchun Institute of Applied Chemistry, Chinese Academy of Sciences Changchun 130022, China Nankai University, Tianjin 300071, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I205237279","https://openalex.org/I4210092888"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073477188","display_name":"\u738b\u4f70\u5168","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wang Bq","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088548074","display_name":"\u9648\u5bff\u5c71","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"SS Chen","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017212315","display_name":"Y\u00fc Liu","orcid":"https://orcid.org/0000-0002-1692-1811","observed_orcids":["https://orcid.org/0000-0002-1692-1811"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Liu Y","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-4339-6389","affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5064589225","display_name":"\u9ec4\u8446\u540c","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Huang Bt","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3990,"currency":"USD","value_usd":3990},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.02723918,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"16","issue":"4","first_page":"370","last_page":"376"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10092","display_name":"Organometallic Complex Synthesis and Catalysis","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic 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/T10092","display_name":"Organometallic Complex Synthesis and Catalysis","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic 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/T10405","display_name":"Advanced Polymer Synthesis and Characterization","score":0.000699999975040555,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic 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/T10661","display_name":"biodegradable polymer synthesis and properties","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/2502","display_name":"Biomaterials"},"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/metallocene-catalysts","display_name":"metallocene catalysts","score":0.9139999747276306},{"id":"https://openalex.org/keywords/ethylene-polymerization","display_name":"ethylene polymerization","score":0.8600000143051147},{"id":"https://openalex.org/keywords/molecular-weight-distribution","display_name":"molecular weight distribution","score":0.7739999890327454},{"id":"https://openalex.org/keywords/bimodal-distribution","display_name":"bimodal distribution","score":0.8679999709129333},{"id":"https://openalex.org/keywords/steric-hindrance","display_name":"steric hindrance","score":0.7799999713897705},{"id":"https://openalex.org/keywords/catalyst-configuration","display_name":"catalyst configuration","score":0.38600000739097595},{"id":"https://openalex.org/keywords/polymerization-temperature","display_name":"polymerization temperature","score":0.7910000085830688},{"id":"https://openalex.org/keywords/catalyst-stability","display_name":"catalyst stability","score":0.515999972820282},{"id":"https://openalex.org/keywords/polyethylene","display_name":"polyethylene","score":0.3089999854564667}],"concepts":[{"id":"https://openalex.org/C17365422","wikidata":"https://www.wikidata.org/wiki/Q664231","display_name":"Disproportionation","level":3,"score":0.8692691326141357},{"id":"https://openalex.org/C201194858","wikidata":"https://www.wikidata.org/wiki/Q898238","display_name":"Steric effects","level":2,"score":0.8103649020195007},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.634779691696167},{"id":"https://openalex.org/C161790260","wikidata":"https://www.wikidata.org/wiki/Q82264","display_name":"Catalysis","level":2,"score":0.5895119309425354},{"id":"https://openalex.org/C2780446808","wikidata":"https://www.wikidata.org/wiki/Q413676","display_name":"Metallocene","level":4,"score":0.580313503742218},{"id":"https://openalex.org/C188027245","wikidata":"https://www.wikidata.org/wiki/Q750446","display_name":"Polymer chemistry","level":1,"score":0.5633237361907959},{"id":"https://openalex.org/C44228677","wikidata":"https://www.wikidata.org/wiki/Q181898","display_name":"Polymerization","level":3,"score":0.5427605509757996},{"id":"https://openalex.org/C124681953","wikidata":"https://www.wikidata.org/wiki/Q339062","display_name":"Decomposition","level":2,"score":0.5412331223487854},{"id":"https://openalex.org/C32909587","wikidata":"https://www.wikidata.org/wiki/Q11369","display_name":"Molecule","level":2,"score":0.4613160789012909},{"id":"https://openalex.org/C8010536","wikidata":"https://www.wikidata.org/wiki/Q160398","display_name":"Crystallography","level":1,"score":0.3329959511756897},{"id":"https://openalex.org/C71240020","wikidata":"https://www.wikidata.org/wiki/Q186011","display_name":"Stereochemistry","level":1,"score":0.28264209628105164},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.19114241003990173},{"id":"https://openalex.org/C521977710","wikidata":"https://www.wikidata.org/wiki/Q81163","display_name":"Polymer","level":2,"score":0.1518975794315338}],"mesh":[],"locations_count":2,"locations":[{"id":"mag:2377221902","doi":null,"is_oa":false,"landing_page_url":"https://en.cnki.com.cn/Article_en/CJFDTOTAL-GFZK199804013.htm","pdf_url":null,"source":{"id":"https://openalex.org/S11406725","display_name":"Chinese Journal of Polymer Science","issn_l":"0256-7679","issn":["0256-7679","1439-6203","1793-7043"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Chinese Journal of Polymer Science","raw_type":null},{"id":"mag:971574101","doi":null,"is_oa":false,"landing_page_url":"http://www.cqvip.com/QK/86788X/199804/3000960284.html","pdf_url":null,"source":{"id":"https://openalex.org/S11406725","display_name":"Chinese Journal of Polymer Science","issn_l":"0256-7679","issn":["0256-7679","1439-6203","1793-7043"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"\u9ad8\u5206\u5b50\u79d1\u5b66\uff1a\u82f1\u6587\u7248","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2082289672","https://openalex.org/W2080848031","https://openalex.org/W2362204487","https://openalex.org/W2035899180","https://openalex.org/W2080124460","https://openalex.org/W2082017621","https://openalex.org/W2149244559","https://openalex.org/W2114594099","https://openalex.org/W2003461190","https://openalex.org/W2019908817"],"abstract_inverted_index":{"Seven":[0],"new":[1],"binuclear":[2,106],"titanocenes":[3,107],"with":[4,42],"different":[5,71],"linking":[6],"bridges,":[7],"unsubsti-tuted":[8],"or":[9,102],"substituted":[10,68],"on":[11,22],"the":[12,25,53,61,66,76,105,110,113],"Cp":[13],"rings,":[14],"were":[15],"synthesized":[16],"and":[17,94],"tested":[18],"for":[19],"their":[20],"effect":[21],"ethylenepolymerization":[23],"in":[24,55,90,92],"presence":[26],"of":[27,57,75,84,104,112],"MAO.":[28],"The":[29],"polyethylenes":[30],"thus":[31],"obtained":[32],"had":[33],"broad":[34],"MWDor":[35],"even":[36],"bimodal":[37],"GPC":[38],"curves,":[39],"as":[40,88],"compared":[41],"that":[43],"from":[44],"two":[45],"reference":[46],"mononuclear":[47],"ti-tanocenes.":[48],"This":[49],"is":[50,97],"explained":[51],"by":[52,65,100,109],"difference":[54],"degree":[56],"steric":[58],"hindrance":[59],"around":[60],"activecenter":[62],"sites":[63],"imposed":[64],"bulky":[67],"ligands":[69],"assuming":[70],"configurations":[72],"inthe":[73],"rotation":[74],"catalyst":[77],"molecules.":[78],"Lower":[79],"polymerization":[80],"temperatures":[81],"alleviate":[82],"theeffect":[83],"these":[85],"configuration":[86],"differences,":[87],"reflected":[89],"change":[91],"MW":[93],"M_w/M_n.":[95],"Thiseffect":[96],"not":[98],"caused":[99],"decomposition":[101],"disproportionation":[103],"asevidenced":[108],"stability":[111],"catalyst.":[114]},"counts_by_year":[{"year":2015,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
