{"id":"https://openalex.org/W230170616","doi":null,"title":"Synthesis and Characterization of Poly(L-lactide-co-\u03b5 \u03b5 \u03b5 \u03b5-caprolactone) Copolymers: Effects of Stannous Octoate Initiator and Diethylene Glycol Coinitiator Concentrations","display_name":"Synthesis and Characterization of Poly(L-lactide-co-\u03b5 \u03b5 \u03b5 \u03b5-caprolactone) Copolymers: Effects of Stannous Octoate Initiator and Diethylene Glycol Coinitiator Concentrations","publication_year":2004,"publication_date":"2004-01-01","ids":{"openalex":"https://openalex.org/W230170616","mag":"230170616"},"language":"en","primary_location":{"id":"mag:230170616","doi":null,"is_oa":false,"landing_page_url":"http://scienceasia.org/2004.30.n4/v30_327_334.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"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/A5030079384","display_name":"Yodthong Baimark","orcid":"https://orcid.org/0000-0001-8432-8721","observed_orcids":["https://orcid.org/0000-0001-8432-8721"]},"institutions":[{"id":"https://openalex.org/I48076826","display_name":"Chiang Mai University","ror":"https://ror.org/05m2fqn25","country_code":"TH","type":"education","lineage":["https://openalex.org/I48076826"]}],"countries":["TH"],"is_corresponding":false,"raw_author_name":"Yodthong Baimark","raw_affiliation_strings":["Chiang Mai University"],"raw_orcid":"https://orcid.org/0000-0001-8432-8721","affiliations":[{"raw_affiliation_string":"Chiang Mai University","institution_ids":["https://openalex.org/I48076826"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034685397","display_name":"Robert Molloy","orcid":"https://orcid.org/0000-0001-7164-0417","observed_orcids":["https://orcid.org/0000-0001-7164-0417"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Robert Molloy","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0001-7164-0417","affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10661","display_name":"biodegradable polymer synthesis and properties","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10661","display_name":"biodegradable polymer synthesis and properties","score":1.0,"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"}},{"id":"https://openalex.org/T10389","display_name":"Polymer crystallization and properties","score":0.0,"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"}},{"id":"https://openalex.org/T11593","display_name":"Carbon dioxide utilization in catalysis","score":0.0,"subfield":{"id":"https://openalex.org/subfields/1508","display_name":"Process Chemistry and Technology"},"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/poly-l-lactide-co-epsilon-caprolactone","display_name":"poly(L-lactide-co-\u03b5-caprolactone)","score":0.9259999990463257},{"id":"https://openalex.org/keywords/copolymers","display_name":"copolymers","score":0.6959999799728394},{"id":"https://openalex.org/keywords/ring-opening-polymerization","display_name":"ring-opening polymerization","score":0.7850000262260437},{"id":"https://openalex.org/keywords/coordination-insertion-mechanism","display_name":"coordination-insertion mechanism","score":0.7080000042915344},{"id":"https://openalex.org/keywords/molecular-weight-distribution","display_name":"molecular weight distribution","score":0.8640000224113464},{"id":"https://openalex.org/keywords/chain-microstructure","display_name":"chain microstructure","score":0.8080000281333923},{"id":"https://openalex.org/keywords/copolymerization-kinetics","display_name":"copolymerization kinetics","score":0.6489999890327454}],"concepts":[{"id":"https://openalex.org/C2779136216","wikidata":"https://www.wikidata.org/wiki/Q421902","display_name":"Diethylene glycol","level":3,"score":0.9162138104438782},{"id":"https://openalex.org/C15920480","wikidata":"https://www.wikidata.org/wiki/Q421281","display_name":"Copolymer","level":3,"score":0.8838725090026855},{"id":"https://openalex.org/C2780672802","wikidata":"https://www.wikidata.org/wiki/Q55999569","display_name":"Comonomer","level":4,"score":0.8723717927932739},{"id":"https://openalex.org/C188027245","wikidata":"https://www.wikidata.org/wiki/Q750446","display_name":"Polymer chemistry","level":1,"score":0.7779853940010071},{"id":"https://openalex.org/C2781111393","wikidata":"https://www.wikidata.org/wiki/Q288104","display_name":"Caprolactone","level":4,"score":0.6899677515029907},{"id":"https://openalex.org/C158117686","wikidata":"https://www.wikidata.org/wiki/Q909693","display_name":"Molar mass distribution","level":3,"score":0.6610251069068909},{"id":"https://openalex.org/C44228677","wikidata":"https://www.wikidata.org/wiki/Q181898","display_name":"Polymerization","level":3,"score":0.5846491456031799},{"id":"https://openalex.org/C203897987","wikidata":"https://www.wikidata.org/wiki/Q900770","display_name":"Ring-opening polymerization","level":4,"score":0.5534032583236694},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.4653725326061249},{"id":"https://openalex.org/C2776743539","wikidata":"https://www.wikidata.org/wiki/Q421313","display_name":"Lactide","level":4,"score":0.4273628890514374},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.3578442633152008},{"id":"https://openalex.org/C2777516009","wikidata":"https://www.wikidata.org/wiki/Q194207","display_name":"Ethylene glycol","level":2,"score":0.24164193868637085},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.17290449142456055},{"id":"https://openalex.org/C521977710","wikidata":"https://www.wikidata.org/wiki/Q81163","display_name":"Polymer","level":2,"score":0.13256368041038513}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:230170616","doi":null,"is_oa":false,"landing_page_url":"http://scienceasia.org/2004.30.n4/v30_327_334.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W118200092","https://openalex.org/W1971931848","https://openalex.org/W1977170360","https://openalex.org/W1983778067","https://openalex.org/W2002633523","https://openalex.org/W2011628714","https://openalex.org/W2013622125","https://openalex.org/W2034387102","https://openalex.org/W2047712971","https://openalex.org/W2073233871","https://openalex.org/W2105334425","https://openalex.org/W2105518218","https://openalex.org/W2129458302","https://openalex.org/W2150714719","https://openalex.org/W2241654128","https://openalex.org/W3022839078"],"related_works":["https://openalex.org/W1915840521","https://openalex.org/W2027067834","https://openalex.org/W2359761910","https://openalex.org/W150064577","https://openalex.org/W1581527645","https://openalex.org/W1975540746","https://openalex.org/W6959437716","https://openalex.org/W1990072825","https://openalex.org/W2505310022","https://openalex.org/W2129458302"],"abstract_inverted_index":{"A":[0],"series":[1],"of":[2,14,83,119,122,126],"approximately":[3],"50:50":[4],"mol":[5],"%":[6],"poly(L-lactide-co-e-caprolactone)":[7],"copolymers":[8,37],"were":[9,38],"synthesized":[10],"by":[11,40],"bulk":[12],"copolymerization":[13],"L-lactide":[15],"(LL)":[16],"and":[17,26,53,63,76,80,98],"e-caprolactone":[18],"(CL)":[19],"using":[20],"stannous":[21],"octoate":[22],"(Sn(Oct)":[23],"2":[24,62,90],")":[25],"diethylene":[27],"glycol":[28],"(DEG)":[29],"as":[30],"the":[31,60,72,84,88,94,101,108,117,123],"initiating":[32],"system.":[33],"The":[34,112],"resulting":[35],"P(LL-co-CL)":[36],"characterized":[39],"various":[41],"analytical":[42],"techniques":[43],"including":[44],"dilute-solution":[45],"viscometry,":[46],"GPC,":[47],"1":[48],"H/":[49],"13":[50],"C":[51],"NMR":[52],"DSC.":[54],"It":[55],"was":[56,104],"found":[57],"that":[58],"both":[59],"Sn(Oct)":[61,89],"DEG":[64,102],"concentrations":[65],"exerted":[66],"important":[67],"but":[68],"different":[69],"effects":[70],"on":[71,107],"molecular":[73,95,110],"weight":[74,96],"(average":[75],"distribution),":[77],"chain":[78],"microstructure":[79],"temperature":[81],"transitions":[82],"copolymer":[85],"formed.":[86],"Whereas":[87],"initiator":[91],"mainly":[92],"affected":[93],"distribution":[97],"comonomer":[99],"sequencing,":[100],"coinitiator":[103],"more":[105],"influential":[106],"average":[109],"weight.":[111],"results":[113],"are":[114],"discussed":[115],"in":[116],"light":[118],"current":[120],"theories":[121],"coordination-insertion":[124],"mechanism":[125],"cyclic":[127],"ester":[128],"ring-":[129],"opening":[130],"polymerization.":[131]},"counts_by_year":[{"year":2021,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":3},{"year":2014,"cited_by_count":2}],"updated_date":"2026-10-02T10:15:12.560889","created_date":"2016-06-24T00:00:00"}