Synthesis and physical gelation induced by self-assembly of well-defined poly(arylene ether sulfone)s with various numbers of arms
A series of well-defined poly(arylene ether sulfone)s were synthesized ( 1P–4P ) by chain-growthcondensation polymerization with amideinitiators having various numbers of initiating sites. Differential Scanning Calorimetry (DSC) study of the polymers revealed that branched polymers ( 3P and 4P ) had...
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| Veröffentlicht in: | Polymer chemistry 2011-01, Vol.2 (5), p.1174-1179 |
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| container_title | Polymer chemistry |
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| creator | Park, Jeyoung Seo, Myungeun Choi, Hyungsam Kim, Sang Youl |
| description | A series of well-defined poly(arylene ether sulfone)s were synthesized (
1P–4P
) by chain-growthcondensation polymerization with amideinitiators having various numbers of initiating sites. Differential Scanning Calorimetry (DSC) study of the polymers revealed that branched polymers (
3P
and
4P
) had higher glass transition temperatures (
T
g
) than linear polymers (
1P
and
2P
) when they had the identical concentration of end groups. However, the viscosity of the polymers decreases as the number of branches increase due to the change of the hydrodynamic volume. Interestingly physical gelation of THF solution of these polymers was observed. Analyses of the self-assembled structure by FE-SEM, FE-TEM, temperature-dependent
1
H NMR, FT-IR, and XRD indicated that the formation of fibrillar network was driven by the hydrogen bonding of aromatic amides. |
| doi_str_mv | 10.1039/C0PY00418A |
| format | Article |
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1P–4P
) by chain-growthcondensation polymerization with amideinitiators having various numbers of initiating sites. Differential Scanning Calorimetry (DSC) study of the polymers revealed that branched polymers (
3P
and
4P
) had higher glass transition temperatures (
T
g
) than linear polymers (
1P
and
2P
) when they had the identical concentration of end groups. However, the viscosity of the polymers decreases as the number of branches increase due to the change of the hydrodynamic volume. Interestingly physical gelation of THF solution of these polymers was observed. Analyses of the self-assembled structure by FE-SEM, FE-TEM, temperature-dependent
1
H NMR, FT-IR, and XRD indicated that the formation of fibrillar network was driven by the hydrogen bonding of aromatic amides.</description><identifier>ISSN: 1759-9954</identifier><identifier>EISSN: 1759-9962</identifier><identifier>DOI: 10.1039/C0PY00418A</identifier><language>eng</language><subject>Amides ; Branched ; Differential scanning calorimetry ; Ethers ; Gelation ; Iron ; Networks ; Self assembly</subject><ispartof>Polymer chemistry, 2011-01, Vol.2 (5), p.1174-1179</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c305t-ed29699c1ea48779effafb903bd9ad47ae8c15c7db1dee776111845506459ecc3</citedby><cites>FETCH-LOGICAL-c305t-ed29699c1ea48779effafb903bd9ad47ae8c15c7db1dee776111845506459ecc3</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></links><search><creatorcontrib>Park, Jeyoung</creatorcontrib><creatorcontrib>Seo, Myungeun</creatorcontrib><creatorcontrib>Choi, Hyungsam</creatorcontrib><creatorcontrib>Kim, Sang Youl</creatorcontrib><title>Synthesis and physical gelation induced by self-assembly of well-defined poly(arylene ether sulfone)s with various numbers of arms</title><title>Polymer chemistry</title><description>A series of well-defined poly(arylene ether sulfone)s were synthesized (
1P–4P
) by chain-growthcondensation polymerization with amideinitiators having various numbers of initiating sites. Differential Scanning Calorimetry (DSC) study of the polymers revealed that branched polymers (
3P
and
4P
) had higher glass transition temperatures (
T
g
) than linear polymers (
1P
and
2P
) when they had the identical concentration of end groups. However, the viscosity of the polymers decreases as the number of branches increase due to the change of the hydrodynamic volume. Interestingly physical gelation of THF solution of these polymers was observed. Analyses of the self-assembled structure by FE-SEM, FE-TEM, temperature-dependent
1
H NMR, FT-IR, and XRD indicated that the formation of fibrillar network was driven by the hydrogen bonding of aromatic amides.</description><subject>Amides</subject><subject>Branched</subject><subject>Differential scanning calorimetry</subject><subject>Ethers</subject><subject>Gelation</subject><subject>Iron</subject><subject>Networks</subject><subject>Self assembly</subject><issn>1759-9954</issn><issn>1759-9962</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNpFkE1LxDAQhosouKx78RfkuArVpN85LotfsKCgHjyVNJm4kTStmdalV3-5WVZ0LjOHh5d5nyg6Z_SK0ZRfr-nTG6UZq1ZH0YyVOY85L5LjvzvPTqMF4gcNk7IsSYtZ9P08uWELaJAIp0i_ndBIYck7WDGYzhHj1ChBkWYiCFbHAhHaxk6k02QH1sYKtHEB6Ds7LYWfLDggEDI9wdHqzsEFkp0ZtuRLeNONSNzYNuBxnyB8i2fRiRYWYfG759Hr7c3L-j7ePN49rFebWKY0H2JQCS84lwxEVpUlB62FbjhNG8WFykoBlWS5LFXDFEBZFoyxKstzWmQ5BynTebQ85Pa--xwBh7o1KEMF4SC8VTPKgq5gJQno5QGVvkP0oOvemzaUC1C9d13_u05_ALHCdB4</recordid><startdate>20110101</startdate><enddate>20110101</enddate><creator>Park, Jeyoung</creator><creator>Seo, Myungeun</creator><creator>Choi, Hyungsam</creator><creator>Kim, Sang Youl</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope></search><sort><creationdate>20110101</creationdate><title>Synthesis and physical gelation induced by self-assembly of well-defined poly(arylene ether sulfone)s with various numbers of arms</title><author>Park, Jeyoung ; Seo, Myungeun ; Choi, Hyungsam ; Kim, Sang Youl</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c305t-ed29699c1ea48779effafb903bd9ad47ae8c15c7db1dee776111845506459ecc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Amides</topic><topic>Branched</topic><topic>Differential scanning calorimetry</topic><topic>Ethers</topic><topic>Gelation</topic><topic>Iron</topic><topic>Networks</topic><topic>Self assembly</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Park, Jeyoung</creatorcontrib><creatorcontrib>Seo, Myungeun</creatorcontrib><creatorcontrib>Choi, Hyungsam</creatorcontrib><creatorcontrib>Kim, Sang Youl</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Polymer chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Park, Jeyoung</au><au>Seo, Myungeun</au><au>Choi, Hyungsam</au><au>Kim, Sang Youl</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesis and physical gelation induced by self-assembly of well-defined poly(arylene ether sulfone)s with various numbers of arms</atitle><jtitle>Polymer chemistry</jtitle><date>2011-01-01</date><risdate>2011</risdate><volume>2</volume><issue>5</issue><spage>1174</spage><epage>1179</epage><pages>1174-1179</pages><issn>1759-9954</issn><eissn>1759-9962</eissn><abstract>A series of well-defined poly(arylene ether sulfone)s were synthesized (
1P–4P
) by chain-growthcondensation polymerization with amideinitiators having various numbers of initiating sites. Differential Scanning Calorimetry (DSC) study of the polymers revealed that branched polymers (
3P
and
4P
) had higher glass transition temperatures (
T
g
) than linear polymers (
1P
and
2P
) when they had the identical concentration of end groups. However, the viscosity of the polymers decreases as the number of branches increase due to the change of the hydrodynamic volume. Interestingly physical gelation of THF solution of these polymers was observed. Analyses of the self-assembled structure by FE-SEM, FE-TEM, temperature-dependent
1
H NMR, FT-IR, and XRD indicated that the formation of fibrillar network was driven by the hydrogen bonding of aromatic amides.</abstract><doi>10.1039/C0PY00418A</doi><tpages>6</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1759-9954 |
| ispartof | Polymer chemistry, 2011-01, Vol.2 (5), p.1174-1179 |
| issn | 1759-9954 1759-9962 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1019622362 |
| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Amides Branched Differential scanning calorimetry Ethers Gelation Iron Networks Self assembly |
| title | Synthesis and physical gelation induced by self-assembly of well-defined poly(arylene ether sulfone)s with various numbers of arms |
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