{"id":"https://openalex.org/W82074141","doi":null,"title":"Plasma treatment of polysulfone gas separation membranes","display_name":"Plasma treatment of polysulfone gas separation membranes","publication_year":1995,"publication_date":"1995-01-01","ids":{"openalex":"https://openalex.org/W82074141","mag":"82074141"},"language":"en","primary_location":{"id":"pmh:oai:etheses.dur.ac.uk:5231","doi":null,"is_oa":false,"landing_page_url":"http://etheses.dur.ac.uk/5231/","pdf_url":null,"source":{"id":"https://openalex.org/S4306402363","display_name":"Durham e-Theses (Durham University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I190082696","host_organization_name":"Durham University","host_organization_lineage":["https://openalex.org/I190082696"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"Thesis"},"volume":null,"type":"dissertation","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://etheses.durham.ac.uk/id/eprint/5231/1/5231_2684.PDF","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5103213637","display_name":"Janet Hopkins","orcid":"https://orcid.org/0009-0006-1627-9650","observed_orcids":["https://orcid.org/0009-0006-1627-9650"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Janet Hopkins","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0009-0006-1627-9650","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5103213637"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"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/T11362","display_name":"Membrane Separation and Gas Transport","score":0.9965999722480774,"subfield":{"id":"https://openalex.org/subfields/1506","display_name":"Filtration and Separation"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11362","display_name":"Membrane Separation and Gas Transport","score":0.9965999722480774,"subfield":{"id":"https://openalex.org/subfields/1506","display_name":"Filtration and Separation"},"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/T10197","display_name":"Membrane Separation Technologies","score":0.0015999999595806003,"subfield":{"id":"https://openalex.org/subfields/2312","display_name":"Water Science and Technology"},"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/T10642","display_name":"Atmospheric-Pressure Plasma Applications","score":0.0006000000284984708,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/plasma-surface-modification","display_name":"plasma surface modification","score":0.6800000071525574},{"id":"https://openalex.org/keywords/polysulfone","display_name":"polysulfone","score":0.7940000295639038},{"id":"https://openalex.org/keywords/polyethersulfone","display_name":"polyethersulfone","score":0.9860000014305115},{"id":"https://openalex.org/keywords/gas-separation-membranes","display_name":"gas separation membranes","score":0.9390000104904175},{"id":"https://openalex.org/keywords/fluorination","display_name":"fluorination","score":0.8370000123977661},{"id":"https://openalex.org/keywords/vacuum-ultraviolet","display_name":"vacuum ultraviolet","score":0.8899999856948853},{"id":"https://openalex.org/keywords/polymer-oxidation","display_name":"polymer oxidation","score":0.6110000014305115},{"id":"https://openalex.org/keywords/cf4-plasma","display_name":"CF4 plasma","score":0.8579999804496765},{"id":"https://openalex.org/keywords/gas-permeability","display_name":"gas permeability","score":0.6840000152587891},{"id":"https://openalex.org/keywords/oxygen-nitrogen-selectivity","display_name":"oxygen/nitrogen selectivity","score":0.8989999890327454},{"id":"https://openalex.org/keywords/polyethylene","display_name":"polyethylene","score":0.5400000214576721},{"id":"https://openalex.org/keywords/polystyrene","display_name":"polystyrene","score":0.9509999752044678}],"concepts":[{"id":"https://openalex.org/C2776299469","wikidata":"https://www.wikidata.org/wiki/Q146262","display_name":"Polysulfone","level":3,"score":0.8696573972702026},{"id":"https://openalex.org/C521977710","wikidata":"https://www.wikidata.org/wiki/Q81163","display_name":"Polymer","level":2,"score":0.7268048524856567},{"id":"https://openalex.org/C521692839","wikidata":"https://www.wikidata.org/wiki/Q888","display_name":"Krypton","level":3,"score":0.677740216255188},{"id":"https://openalex.org/C2777922577","wikidata":"https://www.wikidata.org/wiki/Q146243","display_name":"Polystyrene","level":3,"score":0.6141736507415771},{"id":"https://openalex.org/C548442186","wikidata":"https://www.wikidata.org/wiki/Q1106","display_name":"Xenon","level":2,"score":0.6088516116142273},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.5996490716934204},{"id":"https://openalex.org/C41625074","wikidata":"https://www.wikidata.org/wiki/Q176088","display_name":"Membrane","level":2,"score":0.5325215458869934},{"id":"https://openalex.org/C547737533","wikidata":"https://www.wikidata.org/wiki/Q696","display_name":"Argon","level":2,"score":0.509903073310852},{"id":"https://openalex.org/C115537861","wikidata":"https://www.wikidata.org/wiki/Q7645993","display_name":"Surface modification","level":2,"score":0.5035573840141296},{"id":"https://openalex.org/C82706917","wikidata":"https://www.wikidata.org/wiki/Q10251","display_name":"Plasma","level":2,"score":0.46349048614501953},{"id":"https://openalex.org/C2779751980","wikidata":"https://www.wikidata.org/wiki/Q143429","display_name":"Polyethylene","level":2,"score":0.42878738045692444},{"id":"https://openalex.org/C2776798109","wikidata":"https://www.wikidata.org/wiki/Q11391","display_name":"Ultraviolet","level":2,"score":0.42092546820640564},{"id":"https://openalex.org/C516920438","wikidata":"https://www.wikidata.org/wiki/Q37129","display_name":"Methane","level":2,"score":0.41556552052497864},{"id":"https://openalex.org/C42360764","wikidata":"https://www.wikidata.org/wiki/Q83588","display_name":"Chemical engineering","level":1,"score":0.39612042903900146},{"id":"https://openalex.org/C188027245","wikidata":"https://www.wikidata.org/wiki/Q750446","display_name":"Polymer chemistry","level":1,"score":0.3917344808578491},{"id":"https://openalex.org/C113196181","wikidata":"https://www.wikidata.org/wiki/Q485223","display_name":"Analytical Chemistry (journal)","level":2,"score":0.3810819089412689},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.32963258028030396},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.24880215525627136},{"id":"https://openalex.org/C147789679","wikidata":"https://www.wikidata.org/wiki/Q11372","display_name":"Physical chemistry","level":1,"score":0.10596159100532532},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"pmh:oai:etheses.dur.ac.uk:5231","doi":null,"is_oa":false,"landing_page_url":"http://etheses.dur.ac.uk/5231/","pdf_url":null,"source":{"id":"https://openalex.org/S4306402363","display_name":"Durham e-Theses (Durham University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I190082696","host_organization_name":"Durham University","host_organization_lineage":["https://openalex.org/I190082696"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"Thesis"},{"id":"pmh:oai:etheses.durham.ac.uk:5231","doi":null,"is_oa":true,"landing_page_url":"https://etheses.durham.ac.uk/id/eprint/5231/1/5231_2684.PDF","pdf_url":"https://etheses.durham.ac.uk/id/eprint/5231/1/5231_2684.PDF","source":{"id":"https://openalex.org/S4306402363","display_name":"Durham e-Theses (Durham University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I190082696","host_organization_name":"Durham University","host_organization_lineage":["https://openalex.org/I190082696"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Thesis"},{"id":"mag:82074141","doi":null,"is_oa":false,"landing_page_url":"http://etheses.dur.ac.uk/5231/","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":{"id":"pmh:oai:etheses.durham.ac.uk:5231","doi":null,"is_oa":true,"landing_page_url":"https://etheses.durham.ac.uk/id/eprint/5231/1/5231_2684.PDF","pdf_url":"https://etheses.durham.ac.uk/id/eprint/5231/1/5231_2684.PDF","source":{"id":"https://openalex.org/S4306402363","display_name":"Durham e-Theses (Durham University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I190082696","host_organization_name":"Durham University","host_organization_lineage":["https://openalex.org/I190082696"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Thesis"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W82074141.pdf","grobid_xml":"https://content.openalex.org/works/W82074141.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2011506691","https://openalex.org/W2563984989","https://openalex.org/W2038404352","https://openalex.org/W1994203682","https://openalex.org/W1999013819","https://openalex.org/W2091545423","https://openalex.org/W2052452770","https://openalex.org/W2040319446","https://openalex.org/W175092342","https://openalex.org/W2067016790"],"abstract_inverted_index":{"The":[0,39,59,85,111,141,166,195,206,241],"chemical":[1],"and":[2,21,36,96,131,135,197,261],"topographical":[3],"nature":[4],"of":[5,19,28,50,61,67,79,87,104,113,125,187,203,208,216,243],"a":[6,26,32,76,102,118,123,201,209,244,250,256,262],"polymer":[7,57,212,247],"surface":[8,98,215],"can":[9,182],"be":[10,45],"changed":[11],"by":[12,107,249],"non-equilibrium":[13],"glow":[14,179],"discharge":[15,180],"treatment.":[16,205],"Surface":[17],"modification":[18,40,68,80,88],"polysulfone":[20,193],"polyethersulfone":[22],"was":[23,42,69,120,158],"examined":[24],"using":[25],"variety":[27,103],"plasma":[29,119,211,229,246,252],"treatments":[30],"at":[31],"fixed":[33],"power,":[34],"pressure":[35],"treatment":[37,145,157,181,230,253],"time.":[38],"observed":[41],"found":[43,159],"to":[44,82,148,160,234],"dependent":[46,90],"upon":[47,91],"the":[48,65,93,97,149,153,163,171,176,184,204,214,217,224,238,266],"type":[49],"feed":[51,126,172],"gas":[52,127,173,225,239,259],"employed.":[53],"Tetrafluoromethane":[54],"plasmas":[55],"fluorinate":[56],"surfaces.":[58],"influence":[60],"polymeric":[62],"structure":[63],"on":[64,133],"extent":[66,78,86],"examined.":[70],"Phenyl":[71],"ring":[72],"containing":[73],"polymers":[74],"experienced":[75],"greater":[77],"compared":[81],"saturated":[83],"polymers.":[84],"is":[89],"both":[92],"fluorination":[94],"mechanism":[95],"affinity.":[99],"Plasmas":[100],"contain":[101],"species":[105],"accompanied":[106],"an":[108,138,191,221,235],"electromagnetic":[109],"spectrum.":[110],"role":[112],"vacuum":[114,143,155],"ultraviolet":[115,144,156],"radiation":[116],"in":[117,137,162,220,223,237,255,258,265],"investigated":[121],"as":[122,200],"function":[124,202],"(argon,":[128],"krypton,":[129],"xenon":[130,142],"oxygen)":[132],"polyethylene":[134],"polystyrene,":[136],"oxygen":[139],"atmosphere.":[140],"gave":[146,232],"rise":[147,233],"greatest":[150],"oxidation":[151],"whilst":[152],"O(_2)":[154],"result":[161],"least":[164],"oxidation.":[165],"activation":[167],"mechanisms":[168],"varied":[169],"with":[170],"chosen":[174],"for":[175],"experiment.":[177],"Non-equilibrium":[178],"alter":[183,199],"transport":[185],"properties":[186],"gases":[188],"permeating":[189],"through":[190],"asymmetric":[192],"membrane.":[194],"selectivity":[196],"permeability":[198],"deposition":[207,242],"methane":[210,245],"onto":[213],"membrane":[218],"resulted":[219,254],"increase":[222,236,264],"flux.":[226,240],"Similarly":[227],"CF(_4)":[228,251],"also":[231],"followed":[248],"decrease":[257],"flux":[260],"small":[263],"oxygen/nitrogen":[267],"selectivity.":[268]},"counts_by_year":[],"updated_date":"2026-09-09T07:26:56.047234","created_date":"2016-06-24T00:00:00"}