Order-disorder transition of starblock copolymers
Small-angle x-ray scattering from the segmental density fluctuations of a starblock copolymer with a given arm number n of 6 as well as that of a linear diblock copolymer (corresponding to the starblock copolymer with n=1) were studied in both ordered and disordered states. In the ordered state the...
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| Veröffentlicht in: | The Journal of chemical physics 1988-08, Vol.89 (4), p.2463-2472 |
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| container_end_page | 2472 |
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| container_issue | 4 |
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| container_title | The Journal of chemical physics |
| container_volume | 89 |
| creator | HASHIMOTO, T IJICHI, Y FETTERS, L. J |
| description | Small-angle x-ray scattering from the segmental density fluctuations of a starblock copolymer with a given arm number n of 6 as well as that of a linear diblock copolymer (corresponding to the starblock copolymer with n=1) were studied in both ordered and disordered states. In the ordered state the characteristic wavelength (D) of the fluctuations for the copolymer with n=6 was found to have the same temperature (T) dependence as that for the diblock copolymer, where n=1, i.e., D∼T−1/3. In the disordered state, the theoretical spectrum of the fluctuations was found to essentially agree with the experimental results. The thermodynamic interaction parameter (χ) between the dissimilar monomers was also determined as a function of T from the fluctuation spectrum in the disordered state. The results show a significant n dependence. |
| doi_str_mv | 10.1063/1.455040 |
| format | Article |
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J</creator><creatorcontrib>HASHIMOTO, T ; IJICHI, Y ; FETTERS, L. J</creatorcontrib><description>Small-angle x-ray scattering from the segmental density fluctuations of a starblock copolymer with a given arm number n of 6 as well as that of a linear diblock copolymer (corresponding to the starblock copolymer with n=1) were studied in both ordered and disordered states. In the ordered state the characteristic wavelength (D) of the fluctuations for the copolymer with n=6 was found to have the same temperature (T) dependence as that for the diblock copolymer, where n=1, i.e., D∼T−1/3. In the disordered state, the theoretical spectrum of the fluctuations was found to essentially agree with the experimental results. The thermodynamic interaction parameter (χ) between the dissimilar monomers was also determined as a function of T from the fluctuation spectrum in the disordered state. The results show a significant n dependence.</description><identifier>ISSN: 0021-9606</identifier><identifier>EISSN: 1089-7690</identifier><identifier>DOI: 10.1063/1.455040</identifier><identifier>CODEN: JCPSA6</identifier><language>eng</language><publisher>Woodbury, NY: American Institute of Physics</publisher><subject>Applied sciences ; Exact sciences and technology ; Organic polymers ; Physicochemistry of polymers ; Properties and characterization ; Structure, morphology and analysis</subject><ispartof>The Journal of chemical physics, 1988-08, Vol.89 (4), p.2463-2472</ispartof><rights>1989 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c322t-24a4c65dd84b3e373148da4fe2400a528b6b3233a96575441f31bb5ab1e62cfd3</citedby><cites>FETCH-LOGICAL-c322t-24a4c65dd84b3e373148da4fe2400a528b6b3233a96575441f31bb5ab1e62cfd3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=7327625$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>HASHIMOTO, T</creatorcontrib><creatorcontrib>IJICHI, Y</creatorcontrib><creatorcontrib>FETTERS, L. J</creatorcontrib><title>Order-disorder transition of starblock copolymers</title><title>The Journal of chemical physics</title><description>Small-angle x-ray scattering from the segmental density fluctuations of a starblock copolymer with a given arm number n of 6 as well as that of a linear diblock copolymer (corresponding to the starblock copolymer with n=1) were studied in both ordered and disordered states. In the ordered state the characteristic wavelength (D) of the fluctuations for the copolymer with n=6 was found to have the same temperature (T) dependence as that for the diblock copolymer, where n=1, i.e., D∼T−1/3. In the disordered state, the theoretical spectrum of the fluctuations was found to essentially agree with the experimental results. The thermodynamic interaction parameter (χ) between the dissimilar monomers was also determined as a function of T from the fluctuation spectrum in the disordered state. 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J</creator><general>American Institute of Physics</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>19880815</creationdate><title>Order-disorder transition of starblock copolymers</title><author>HASHIMOTO, T ; IJICHI, Y ; FETTERS, L. J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c322t-24a4c65dd84b3e373148da4fe2400a528b6b3233a96575441f31bb5ab1e62cfd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1988</creationdate><topic>Applied sciences</topic><topic>Exact sciences and technology</topic><topic>Organic polymers</topic><topic>Physicochemistry of polymers</topic><topic>Properties and characterization</topic><topic>Structure, morphology and analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>HASHIMOTO, T</creatorcontrib><creatorcontrib>IJICHI, Y</creatorcontrib><creatorcontrib>FETTERS, L. 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In the ordered state the characteristic wavelength (D) of the fluctuations for the copolymer with n=6 was found to have the same temperature (T) dependence as that for the diblock copolymer, where n=1, i.e., D∼T−1/3. In the disordered state, the theoretical spectrum of the fluctuations was found to essentially agree with the experimental results. The thermodynamic interaction parameter (χ) between the dissimilar monomers was also determined as a function of T from the fluctuation spectrum in the disordered state. The results show a significant n dependence.</abstract><cop>Woodbury, NY</cop><pub>American Institute of Physics</pub><doi>10.1063/1.455040</doi><tpages>10</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0021-9606 |
| ispartof | The Journal of chemical physics, 1988-08, Vol.89 (4), p.2463-2472 |
| issn | 0021-9606 1089-7690 |
| language | eng |
| recordid | cdi_crossref_primary_10_1063_1_455040 |
| source | AIP Digital Archive |
| subjects | Applied sciences Exact sciences and technology Organic polymers Physicochemistry of polymers Properties and characterization Structure, morphology and analysis |
| title | Order-disorder transition of starblock copolymers |
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