new periodic pattern with five‐neighbored domain packing from ABC triblock terpolymer/B homopolymer blend
Self‐assembled structures from poly(isoprene‐b‐styrene‐b‐2‐vinylpyridine)(ISP)/styrene homopolymer blend were investigated. Five terpolymers whose total molecular weight, M, is in the narrow range of 121k
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| Veröffentlicht in: | Journal of polymer science. Part B, Polymer physics Polymer physics, 2015-07, Vol.53 (13), p.907-911 |
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| container_title | Journal of polymer science. Part B, Polymer physics |
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| creator | Izumi, Yuki Yamada, Mutsuhiko Takano, Atsushi Matsushita, Yushu |
| description | Self‐assembled structures from poly(isoprene‐b‐styrene‐b‐2‐vinylpyridine)(ISP)/styrene homopolymer blend were investigated. Five terpolymers whose total molecular weight, M, is in the narrow range of 121k |
| doi_str_mv | 10.1002/polb.23714 |
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Five terpolymers whose total molecular weight, M, is in the narrow range of 121k < M < 214k, and volume fractions of the center block polystyrenes, ϕS, are similar at around 0.55, were prepared as parent block terpolymers. Their ϕP/ϕIratios, used as an indicator of asymmetry, are varied in the range 0.32 < ϕP/ϕI < 2.46. Three low‐molecular weight styrene homopolymers with molecular weights of 3k, 9k, and 12k, respectively, were mixed with those block terpolymers to produce blends with almost constant styrene content within the range 0.65 < ϕS < 0.68. Both ISP/S(3k) and ISP/S(12k) blend series show a morphological transition from tetragonally packed cylinders (TPC) to double hexagonal structure (DHS) with hexagonally arrayed polyisoprene cylinders, each surrounded by six thin cylinders as satellites. If one focuses on ISP‐III(150k)/S blends whose ϕP/ϕIis 0.88, TPC for ISP‐III/S(3k) was transformed to DHS for ISP‐III/S(12k), evidently due to the molecular weight effect of the added homopolymer. Finally a new periodic pattern, having P cylinders surrounded by five I cylinders each, has been discovered from ISP‐III/S(9k) at overall composition of ϕI/ϕS/ϕP = 0.17/0.68/0.15 and polystyrene block/styrene homopolymer ratio of wS(b)/wS(h) = 1.4. This structure was confirmed to possess hexagonal symmetry with larger unit cell than regular patterns ever known by X‐ray diffraction experiment. © 2015 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2015, 53, 907–911]]></description><identifier>ISSN: 0887-6266</identifier><identifier>EISSN: 1099-0488</identifier><identifier>DOI: 10.1002/polb.23714</identifier><identifier>CODEN: JPBPEM</identifier><language>eng</language><publisher>Hoboken: Wiley</publisher><subject>ABC triblock terpolymer ; blend ; Blends ; Blocking ; Cylinders ; homopolymer ; Molecular structure ; Molecular weight ; periodic pattern ; Polyisoprenes ; polystyrenes ; self-assembled structure ; styrene ; Styrenes ; Terpolymers ; Unit cell ; X-ray diffraction</subject><ispartof>Journal of polymer science. Part B, Polymer physics, 2015-07, Vol.53 (13), p.907-911</ispartof><rights>2015 Wiley Periodicals, Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4664-180529c9923e299461fe46baf612742766389aa5561ea5743ceb8e0ac24a128f3</citedby><cites>FETCH-LOGICAL-c4664-180529c9923e299461fe46baf612742766389aa5561ea5743ceb8e0ac24a128f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fpolb.23714$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fpolb.23714$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids></links><search><creatorcontrib>Izumi, Yuki</creatorcontrib><creatorcontrib>Yamada, Mutsuhiko</creatorcontrib><creatorcontrib>Takano, Atsushi</creatorcontrib><creatorcontrib>Matsushita, Yushu</creatorcontrib><title>new periodic pattern with five‐neighbored domain packing from ABC triblock terpolymer/B homopolymer blend</title><title>Journal of polymer science. Part B, Polymer physics</title><addtitle>J. Polym. Sci. Part B: Polym. Phys</addtitle><description><![CDATA[Self‐assembled structures from poly(isoprene‐b‐styrene‐b‐2‐vinylpyridine)(ISP)/styrene homopolymer blend were investigated. Five terpolymers whose total molecular weight, M, is in the narrow range of 121k < M < 214k, and volume fractions of the center block polystyrenes, ϕS, are similar at around 0.55, were prepared as parent block terpolymers. Their ϕP/ϕIratios, used as an indicator of asymmetry, are varied in the range 0.32 < ϕP/ϕI < 2.46. Three low‐molecular weight styrene homopolymers with molecular weights of 3k, 9k, and 12k, respectively, were mixed with those block terpolymers to produce blends with almost constant styrene content within the range 0.65 < ϕS < 0.68. Both ISP/S(3k) and ISP/S(12k) blend series show a morphological transition from tetragonally packed cylinders (TPC) to double hexagonal structure (DHS) with hexagonally arrayed polyisoprene cylinders, each surrounded by six thin cylinders as satellites. If one focuses on ISP‐III(150k)/S blends whose ϕP/ϕIis 0.88, TPC for ISP‐III/S(3k) was transformed to DHS for ISP‐III/S(12k), evidently due to the molecular weight effect of the added homopolymer. Finally a new periodic pattern, having P cylinders surrounded by five I cylinders each, has been discovered from ISP‐III/S(9k) at overall composition of ϕI/ϕS/ϕP = 0.17/0.68/0.15 and polystyrene block/styrene homopolymer ratio of wS(b)/wS(h) = 1.4. This structure was confirmed to possess hexagonal symmetry with larger unit cell than regular patterns ever known by X‐ray diffraction experiment. © 2015 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2015, 53, 907–911]]></description><subject>ABC triblock terpolymer</subject><subject>blend</subject><subject>Blends</subject><subject>Blocking</subject><subject>Cylinders</subject><subject>homopolymer</subject><subject>Molecular structure</subject><subject>Molecular weight</subject><subject>periodic pattern</subject><subject>Polyisoprenes</subject><subject>polystyrenes</subject><subject>self-assembled structure</subject><subject>styrene</subject><subject>Styrenes</subject><subject>Terpolymers</subject><subject>Unit cell</subject><subject>X-ray diffraction</subject><issn>0887-6266</issn><issn>1099-0488</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNp90c1u1DAUBeAIUYmhsOEFsMQGIaX1Xxx72UyhRUwpElQgNpbjuZlxJ4mDnWGYHY_AM_IkdZvCggUry_J3rKtzs-wZwUcEY3o8-LY-oqwk_EE2I1ipHHMpH2YzLGWZCyrEo-xxjNcYp7dCzbJNDzs0QHB-6SwazDhC6NHOjWvUuO_w--evHtxqXfsAS7T0nXF9Unbj-hVqgu_QSTVHY3B16-0GpXCaYN9BOK7Q2nf-_obqFvrlk-ygMW2Ep_fnYXb15vWn-Xm-uDx7Oz9Z5JYLwXMicUGVVYoyoEpxQRrgojaNILTktBSCSWVMUQgCpig5s1BLwMZSbgiVDTvMXk7_DsF_20IcdeeihbY1Pfht1KTEBMsiFZPoi3_otd-GPk2niZBEESkYT-rVpGzwMQZo9BBcZ8JeE6xve9e3veu73hMmE965Fvb_kfrD5aL6k8mnjIsj_PibMWGjRcnKQn9-f6bffT2_qL5UC32a_PPJN8Zrswou6quPFBOR9sqk5JzdAG93noc</recordid><startdate>20150701</startdate><enddate>20150701</enddate><creator>Izumi, Yuki</creator><creator>Yamada, Mutsuhiko</creator><creator>Takano, Atsushi</creator><creator>Matsushita, Yushu</creator><general>Wiley</general><general>Blackwell Publishing Ltd</general><general>Wiley Subscription Services, Inc</general><scope>FBQ</scope><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20150701</creationdate><title>new periodic pattern with five‐neighbored domain packing from ABC triblock terpolymer/B homopolymer blend</title><author>Izumi, Yuki ; Yamada, Mutsuhiko ; Takano, Atsushi ; Matsushita, Yushu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4664-180529c9923e299461fe46baf612742766389aa5561ea5743ceb8e0ac24a128f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>ABC triblock terpolymer</topic><topic>blend</topic><topic>Blends</topic><topic>Blocking</topic><topic>Cylinders</topic><topic>homopolymer</topic><topic>Molecular structure</topic><topic>Molecular weight</topic><topic>periodic pattern</topic><topic>Polyisoprenes</topic><topic>polystyrenes</topic><topic>self-assembled structure</topic><topic>styrene</topic><topic>Styrenes</topic><topic>Terpolymers</topic><topic>Unit cell</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Izumi, Yuki</creatorcontrib><creatorcontrib>Yamada, Mutsuhiko</creatorcontrib><creatorcontrib>Takano, Atsushi</creatorcontrib><creatorcontrib>Matsushita, Yushu</creatorcontrib><collection>AGRIS</collection><collection>Istex</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of polymer science. Part B, Polymer physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Izumi, Yuki</au><au>Yamada, Mutsuhiko</au><au>Takano, Atsushi</au><au>Matsushita, Yushu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>new periodic pattern with five‐neighbored domain packing from ABC triblock terpolymer/B homopolymer blend</atitle><jtitle>Journal of polymer science. Part B, Polymer physics</jtitle><addtitle>J. Polym. Sci. Part B: Polym. Phys</addtitle><date>2015-07-01</date><risdate>2015</risdate><volume>53</volume><issue>13</issue><spage>907</spage><epage>911</epage><pages>907-911</pages><issn>0887-6266</issn><eissn>1099-0488</eissn><coden>JPBPEM</coden><abstract><![CDATA[Self‐assembled structures from poly(isoprene‐b‐styrene‐b‐2‐vinylpyridine)(ISP)/styrene homopolymer blend were investigated. Five terpolymers whose total molecular weight, M, is in the narrow range of 121k < M < 214k, and volume fractions of the center block polystyrenes, ϕS, are similar at around 0.55, were prepared as parent block terpolymers. Their ϕP/ϕIratios, used as an indicator of asymmetry, are varied in the range 0.32 < ϕP/ϕI < 2.46. Three low‐molecular weight styrene homopolymers with molecular weights of 3k, 9k, and 12k, respectively, were mixed with those block terpolymers to produce blends with almost constant styrene content within the range 0.65 < ϕS < 0.68. Both ISP/S(3k) and ISP/S(12k) blend series show a morphological transition from tetragonally packed cylinders (TPC) to double hexagonal structure (DHS) with hexagonally arrayed polyisoprene cylinders, each surrounded by six thin cylinders as satellites. If one focuses on ISP‐III(150k)/S blends whose ϕP/ϕIis 0.88, TPC for ISP‐III/S(3k) was transformed to DHS for ISP‐III/S(12k), evidently due to the molecular weight effect of the added homopolymer. Finally a new periodic pattern, having P cylinders surrounded by five I cylinders each, has been discovered from ISP‐III/S(9k) at overall composition of ϕI/ϕS/ϕP = 0.17/0.68/0.15 and polystyrene block/styrene homopolymer ratio of wS(b)/wS(h) = 1.4. This structure was confirmed to possess hexagonal symmetry with larger unit cell than regular patterns ever known by X‐ray diffraction experiment. © 2015 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2015, 53, 907–911]]></abstract><cop>Hoboken</cop><pub>Wiley</pub><doi>10.1002/polb.23714</doi><tpages>5</tpages></addata></record> |
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| subjects | ABC triblock terpolymer blend Blends Blocking Cylinders homopolymer Molecular structure Molecular weight periodic pattern Polyisoprenes polystyrenes self-assembled structure styrene Styrenes Terpolymers Unit cell X-ray diffraction |
| title | new periodic pattern with five‐neighbored domain packing from ABC triblock terpolymer/B homopolymer blend |
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