{"id":"https://openalex.org/W26437959","doi":null,"title":"Biodegradation of polylactic acid / starch blends","display_name":"Biodegradation of polylactic acid / starch blends","publication_year":2012,"publication_date":"2012-04-01","ids":{"openalex":"https://openalex.org/W26437959","mag":"26437959"},"language":"en","primary_location":{"id":"mag:26437959","doi":null,"is_oa":false,"landing_page_url":"http://eprints.utar.edu.my/574/1/CL%2D2012%2D0805039%2D1.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":"dissertation","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/A5085057641","display_name":"Alvin Wan Siang Lee","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Alvin Wan Siang Lee","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5085057641"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"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":0.9984999895095825,"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":0.9984999895095825,"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/T10324","display_name":"Microbial bioremediation and biosurfactants","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/2310","display_name":"Pollution"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10389","display_name":"Polymer crystallization and properties","score":0.0003000000142492354,"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/polylactic-acid","display_name":"polylactic acid","score":0.9959999918937683},{"id":"https://openalex.org/keywords/starch-blends","display_name":"starch blends","score":0.8299999833106995},{"id":"https://openalex.org/keywords/biodegradation","display_name":"biodegradation","score":0.9309999942779541},{"id":"https://openalex.org/keywords/soil-burial","display_name":"soil burial","score":0.9300000071525574},{"id":"https://openalex.org/keywords/tensile-stress","display_name":"tensile stress","score":0.8080000281333923},{"id":"https://openalex.org/keywords/young-s-modulus","display_name":"Young's modulus","score":0.8560000061988831},{"id":"https://openalex.org/keywords/biodegradable-plastics","display_name":"biodegradable plastics","score":0.6610000133514404},{"id":"https://openalex.org/keywords/composting","display_name":"composting","score":0.7620000243186951},{"id":"https://openalex.org/keywords/plastic-waste-disposal","display_name":"plastic waste disposal","score":0.5429999828338623}],"concepts":[{"id":"https://openalex.org/C529335014","wikidata":"https://www.wikidata.org/wiki/Q41534","display_name":"Starch","level":2,"score":0.8581932783126831},{"id":"https://openalex.org/C157021035","wikidata":"https://www.wikidata.org/wiki/Q696715","display_name":"Biodegradation","level":2,"score":0.8244471549987793},{"id":"https://openalex.org/C2781162966","wikidata":"https://www.wikidata.org/wiki/Q413769","display_name":"Polylactic acid","level":3,"score":0.7504434585571289},{"id":"https://openalex.org/C112950240","wikidata":"https://www.wikidata.org/wiki/Q76005","display_name":"Ultimate tensile strength","level":2,"score":0.6941061019897461},{"id":"https://openalex.org/C196029304","wikidata":"https://www.wikidata.org/wiki/Q2091584","display_name":"Young's modulus","level":2,"score":0.548761785030365},{"id":"https://openalex.org/C121854251","wikidata":"https://www.wikidata.org/wiki/Q62932","display_name":"Elasticity (physics)","level":2,"score":0.5093970894813538},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.48409831523895264},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.4343230724334717},{"id":"https://openalex.org/C31903555","wikidata":"https://www.wikidata.org/wiki/Q1637030","display_name":"Food science","level":1,"score":0.3986380100250244},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.3042423129081726},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.11204415559768677},{"id":"https://openalex.org/C521977710","wikidata":"https://www.wikidata.org/wiki/Q81163","display_name":"Polymer","level":2,"score":0.09101283550262451}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:26437959","doi":null,"is_oa":false,"landing_page_url":"http://eprints.utar.edu.my/574/1/CL%2D2012%2D0805039%2D1.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":[{"score":1.0,"display_name":"Responsible consumption and production","id":"https://metadata.un.org/sdg/12"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320333160","display_name":"Institute for Biospheric Studies, Yale University","ror":"https://ror.org/03v76x132"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":44,"referenced_works":["https://openalex.org/W48238618","https://openalex.org/W55955895","https://openalex.org/W91334132","https://openalex.org/W146132353","https://openalex.org/W1584012896","https://openalex.org/W1718961701","https://openalex.org/W1935327567","https://openalex.org/W1965565046","https://openalex.org/W1967993108","https://openalex.org/W1968567433","https://openalex.org/W1978849221","https://openalex.org/W1983441711","https://openalex.org/W1990395124","https://openalex.org/W1990879541","https://openalex.org/W1992770180","https://openalex.org/W1994784126","https://openalex.org/W1999187510","https://openalex.org/W2005041161","https://openalex.org/W2006162395","https://openalex.org/W2015575124","https://openalex.org/W2015978086","https://openalex.org/W2024980412","https://openalex.org/W2026687005","https://openalex.org/W2026771441","https://openalex.org/W2045294022","https://openalex.org/W2053745758","https://openalex.org/W2055323312","https://openalex.org/W2069073675","https://openalex.org/W2070354803","https://openalex.org/W2074360914","https://openalex.org/W2079813749","https://openalex.org/W2089320091","https://openalex.org/W2093088250","https://openalex.org/W2104552378","https://openalex.org/W2134050576","https://openalex.org/W2145084529","https://openalex.org/W2146681273","https://openalex.org/W2149308759","https://openalex.org/W2151267259","https://openalex.org/W2167826154","https://openalex.org/W2187550226","https://openalex.org/W2252736393","https://openalex.org/W2338250518","https://openalex.org/W2358575366"],"related_works":["https://openalex.org/W2752044679","https://openalex.org/W4399660036","https://openalex.org/W2891563107","https://openalex.org/W3129190935","https://openalex.org/W2792948369","https://openalex.org/W2079914832","https://openalex.org/W2053745758","https://openalex.org/W2943783078","https://openalex.org/W4313066638","https://openalex.org/W7124185473"],"abstract_inverted_index":{"Compression":[0],"moulded":[1],"polylactic":[2],"acid":[3],"(PLA)":[4],"100":[5,96,197],"%":[6,97,198],"and":[7,14,30,53,161,165,180,218,232,242,277],"PLA/":[8,299],"Starch":[9,300],"blends":[10,301],"of":[11,28,33,41,44,59,76,92,172,182,195,245,254,266,274,296],"PLA/Starch":[12,107,127,200,203],"80/20":[13,108,201],"50/50":[15],"respectively":[16],"were":[17,47,64,81,130],"buried":[18,69,85,207,225],"in":[19,66,83,149,157,192,208,272,308],"soil":[20,38,72,88,150,188,209,228,249,288],"for":[21,126,186,257,293],"9":[22,104,139],"weeks":[23],"to":[24,99,110,132,147,306],"study":[25],"the":[26,31,37,67,71,74,87,90,103,121,135,138,175,183,193,227,239,248,251,262,267,294],"effects":[27],"starch":[29,237],"addition":[32,75,91],"effective":[34,77,93,263],"microbes":[35,212,231,246],"into":[36,247],"on":[39,117,134,281],"rates":[40],"biodegradation.":[42],"Biodegradation":[43],"these":[45],"samples":[46,68,84,184,206,224,234],"determined":[48],"by":[49],"appearance,":[50,60],"tensile":[51,159,216,240,275],"stress":[52,160,179,217,241,276],"young":[54],"modulus":[55],"(elasticity).":[56],"In":[57,142],"terms":[58],"no":[61],"significant":[62],"changes":[63,80],"observed":[65,82,131],"under":[70,86,226],"without":[73],"microbes.":[78,94],"However,":[79,205],"with":[89,211,230,236],"PLA":[95,144,196,233,268,297],"appeared":[98,109],"be":[100,111,321],"decolourized":[101],"at":[102,120,137,163],"th":[105,140],"week.":[106,124,141],"distorted,":[112],"displaying":[113],"some":[114],"brownish":[115],"colour":[116],"its":[118,158],"surface":[119,136],"3":[122],"rd":[123],"As":[125,256],"50/50,":[128],"crevices":[129],"appear":[133],"general,":[143],"are":[145,190,290,304],"slow":[146,305],"degrade":[148,307],"as":[151,302,314],"it":[152,259,284],"illustrated":[153],"a":[154,168,214],"steep":[155],"decline":[156],"elasticity":[162,181],"initial":[164],"then":[166],"remain":[167],"fairly":[169],"constant":[170],"rate":[171],"declination":[173],"throughout":[174],"burial":[176],"period.":[177],"Tensile":[178],"obtained":[185],"both":[187,319],"conditions":[189],"decreasing":[191],"order":[194],">":[199,202],"50/50.":[204],"mixed":[210,229],"give":[213],"lower":[215],"elasticity.":[219,243,278],"This":[220],"result":[221],"shows":[222],"that":[223,287],"blended":[235],"affects":[238],"Addition":[244],"enhances":[250],"biodegradation":[252],"process":[253],"PLA.":[255],"starch,":[258],"would":[260],"decrease":[261],"cross-section":[264],"area":[265],"continuous":[269],"phase,":[270],"resulting":[271],"decreases":[273],"Therefore,":[279],"based":[280],"this":[282],"study,":[283],"is":[285],"evident":[286],"burials":[289],"not":[291],"recommended":[292],"disposal":[295,311],"or":[298,316,318],"they":[303],"soil.":[309],"Proper":[310],"alternatives":[312],"such":[313],"composting":[315],"recycling":[317],"should":[320],"considered.":[322]},"counts_by_year":[{"year":2019,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}