DC Field | Value | Language |
---|---|---|
dc.contributor.author | Chung, BH | - |
dc.contributor.author | Park, S | - |
dc.contributor.author | Chang, TY | - |
dc.date.accessioned | 2016-04-01T02:08:06Z | - |
dc.date.available | 2016-04-01T02:08:06Z | - |
dc.date.created | 2009-02-28 | - |
dc.date.issued | 2005-07-12 | - |
dc.identifier.issn | 0024-9297 | - |
dc.identifier.other | 2005-OAK-0000005252 | - |
dc.identifier.uri | https://oasis.postech.ac.kr/handle/2014.oak/24495 | - |
dc.description.abstract | A polystyrene-block-poly(methyl methacrylate) (PS-b-PMMA) was fractionated by HPLC, and the morphology of surface micelles formed at the air/water interface was investigated. Individual PS and PMMA blocks were fractionated by normal-phase and reversed-phase HPLC, respectively, into three fractions each to obtain nine fractions of narrower distribution in molecular weight as well as in composition. Although the mother PS-b-PMMA was prepared by anionic polymerization and had a narrow molecular weight distribution as characterized by size exclusion chromatography (M-w = 72.8 kg/mol, M-w/M-n = 1.08, PS wt % = 73.7%), the nine fractionated samples showed significant variations in molecular weight (M-w = 63.1-79.5 kg/mol) and in composition (PS wt % = 66.5-76.3%). The fractionated block copolymers formed more uniform surface micelles than the unfractionated mother PS-b-PMMA and exhibited a large variation with respect to the composition. The PS-b-PMMA fraction of the lowest PS content (66.5 wt %) showed circular micelles only. Rod-shaped micelles started to appear with a slight increase in the PS content, but circular and rod-shaped micelles coexist over ca. 10% concentration range and no sharp phase boundary appears to exist. The rod-shaped micelles formed at low PS contents exhibit a structure of linearly connected circular micelles. | - |
dc.description.statementofresponsibility | X | - |
dc.language | English | - |
dc.publisher | AMER CHEMICAL SOC | - |
dc.relation.isPartOf | MACROMOLECULES | - |
dc.subject | OXIDE) DIBLOCK COPOLYMER | - |
dc.subject | AIR-WATER-INTERFACE | - |
dc.subject | BLOCK CO-POLYMERS | - |
dc.subject | ANIONIC-POLYMERIZATION | - |
dc.subject | MICELLE FORMATION | - |
dc.subject | MICROPHASE SEPARATION | - |
dc.subject | AIR/WATER INTERFACE | - |
dc.subject | POLYSTYRENE | - |
dc.subject | MONOLAYERS | - |
dc.subject | POLYISOPRENE | - |
dc.title | HPLC fractionation and surface micellization behavior of polystyrene-b-poly(methyl methacrylate) | - |
dc.type | Article | - |
dc.contributor.college | 화학과 | - |
dc.identifier.doi | 10.1021/MA050751R | - |
dc.author.google | Chung, BH | - |
dc.author.google | Park, S | - |
dc.author.google | Chang, TY | - |
dc.relation.volume | 38 | - |
dc.relation.issue | 14 | - |
dc.relation.startpage | 6122 | - |
dc.relation.lastpage | 6127 | - |
dc.contributor.id | 10052407 | - |
dc.relation.journal | MACROMOLECULES | - |
dc.relation.index | SCI급, SCOPUS 등재논문 | - |
dc.relation.sci | SCI | - |
dc.collections.name | Journal Papers | - |
dc.type.rims | ART | - |
dc.identifier.bibliographicCitation | MACROMOLECULES, v.38, no.14, pp.6122 - 6127 | - |
dc.identifier.wosid | 000230376400038 | - |
dc.date.tcdate | 2019-02-01 | - |
dc.citation.endPage | 6127 | - |
dc.citation.number | 14 | - |
dc.citation.startPage | 6122 | - |
dc.citation.title | MACROMOLECULES | - |
dc.citation.volume | 38 | - |
dc.contributor.affiliatedAuthor | Chang, TY | - |
dc.identifier.scopusid | 2-s2.0-22944481468 | - |
dc.description.journalClass | 1 | - |
dc.description.journalClass | 1 | - |
dc.description.wostc | 35 | - |
dc.description.scptc | 32 | * |
dc.date.scptcdate | 2018-05-121 | * |
dc.type.docType | Article | - |
dc.subject.keywordPlus | OXIDE) DIBLOCK COPOLYMER | - |
dc.subject.keywordPlus | AIR-WATER-INTERFACE | - |
dc.subject.keywordPlus | BLOCK CO-POLYMERS | - |
dc.subject.keywordPlus | ANIONIC-POLYMERIZATION | - |
dc.subject.keywordPlus | MICELLE FORMATION | - |
dc.subject.keywordPlus | MICROPHASE SEPARATION | - |
dc.subject.keywordPlus | AIR/WATER INTERFACE | - |
dc.subject.keywordPlus | POLYSTYRENE | - |
dc.subject.keywordPlus | MONOLAYERS | - |
dc.subject.keywordPlus | POLYISOPRENE | - |
dc.relation.journalWebOfScienceCategory | Polymer Science | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Polymer Science | - |
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