Composition‐dependent sol‐gel transition of amphiphilic blend of PEG with hydrophobic gallamide components
ABSTRACT Two types of poly(ethylene glycol) (PEG)‐based amphiphiles were synthesized: a diblock‐type amphiphile (PEG1) with a hydrophobic moiety on one terminal of PEG (PEG with the molecular weight of 2000), and a triblock‐type amphiphile (PEG2) with hydrophobic moieties on both terminals of PEG. T...
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| Veröffentlicht in: | Journal of applied polymer science 2018-06, Vol.135 (24), p.n/a |
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| container_title | Journal of applied polymer science |
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| creator | Aso, Akihiro Taki, Kazutaka Maeda, Tomoki Toma, Kazunori Tamiaki, Hitoshi Hotta, Atsushi |
| description | ABSTRACT
Two types of poly(ethylene glycol) (PEG)‐based amphiphiles were synthesized: a diblock‐type amphiphile (PEG1) with a hydrophobic moiety on one terminal of PEG (PEG with the molecular weight of 2000), and a triblock‐type amphiphile (PEG2) with hydrophobic moieties on both terminals of PEG. The hydrophobic moiety consisted of hydrophobic C14 alkyl tails covalently linked through a gallamide component. The sol–gel transitions of the aqueous solution of PEG1 and PEG2 were studied. At the PEG amphiphile concentration of 15 wt %, PEG1 gave a clear solution over a wide temperature range from 20 to 80 °C, while PEG2 was partially soluble in water. However, the aqueous blend solution of PEG1 and PEG2 exhibited a hydrogel depending on the blend ratio and temperature. It was considered that the composition of PEG1 and PEG2 governed the sol–gel transition, and that the dynamic moduli could be effectively controlled by changing the mixing ratios of the PEG amphiphiles. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 45402. |
| doi_str_mv | 10.1002/app.45402 |
| format | Article |
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Two types of poly(ethylene glycol) (PEG)‐based amphiphiles were synthesized: a diblock‐type amphiphile (PEG1) with a hydrophobic moiety on one terminal of PEG (PEG with the molecular weight of 2000), and a triblock‐type amphiphile (PEG2) with hydrophobic moieties on both terminals of PEG. The hydrophobic moiety consisted of hydrophobic C14 alkyl tails covalently linked through a gallamide component. The sol–gel transitions of the aqueous solution of PEG1 and PEG2 were studied. At the PEG amphiphile concentration of 15 wt %, PEG1 gave a clear solution over a wide temperature range from 20 to 80 °C, while PEG2 was partially soluble in water. However, the aqueous blend solution of PEG1 and PEG2 exhibited a hydrogel depending on the blend ratio and temperature. It was considered that the composition of PEG1 and PEG2 governed the sol–gel transition, and that the dynamic moduli could be effectively controlled by changing the mixing ratios of the PEG amphiphiles. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 45402.</description><identifier>ISSN: 0021-8995</identifier><identifier>EISSN: 1097-4628</identifier><identifier>DOI: 10.1002/app.45402</identifier><language>eng</language><publisher>Hoboken: Wiley Subscription Services, Inc</publisher><subject>copolymers ; gels ; Hydrogels ; Materials science ; micelles ; Mixing ratio ; Polyethylene glycol ; Polymers ; Sol-gel processes ; stimuli‐sensitive polymers ; viscosity and viscoelasticity</subject><ispartof>Journal of applied polymer science, 2018-06, Vol.135 (24), p.n/a</ispartof><rights>2017 Wiley Periodicals, Inc.</rights><rights>2018 Wiley Periodicals, Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2972-ba4b68d468e8326958b71403bcabd916109051273c86a37bcc6ee443d45cccf53</citedby><cites>FETCH-LOGICAL-c2972-ba4b68d468e8326958b71403bcabd916109051273c86a37bcc6ee443d45cccf53</cites><orcidid>0000-0001-9108-0816 ; 0000-0001-9516-2739</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fapp.45402$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fapp.45402$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27903,27904,45553,45554</link.rule.ids></links><search><creatorcontrib>Aso, Akihiro</creatorcontrib><creatorcontrib>Taki, Kazutaka</creatorcontrib><creatorcontrib>Maeda, Tomoki</creatorcontrib><creatorcontrib>Toma, Kazunori</creatorcontrib><creatorcontrib>Tamiaki, Hitoshi</creatorcontrib><creatorcontrib>Hotta, Atsushi</creatorcontrib><title>Composition‐dependent sol‐gel transition of amphiphilic blend of PEG with hydrophobic gallamide components</title><title>Journal of applied polymer science</title><description>ABSTRACT
Two types of poly(ethylene glycol) (PEG)‐based amphiphiles were synthesized: a diblock‐type amphiphile (PEG1) with a hydrophobic moiety on one terminal of PEG (PEG with the molecular weight of 2000), and a triblock‐type amphiphile (PEG2) with hydrophobic moieties on both terminals of PEG. The hydrophobic moiety consisted of hydrophobic C14 alkyl tails covalently linked through a gallamide component. The sol–gel transitions of the aqueous solution of PEG1 and PEG2 were studied. At the PEG amphiphile concentration of 15 wt %, PEG1 gave a clear solution over a wide temperature range from 20 to 80 °C, while PEG2 was partially soluble in water. However, the aqueous blend solution of PEG1 and PEG2 exhibited a hydrogel depending on the blend ratio and temperature. It was considered that the composition of PEG1 and PEG2 governed the sol–gel transition, and that the dynamic moduli could be effectively controlled by changing the mixing ratios of the PEG amphiphiles. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 45402.</description><subject>copolymers</subject><subject>gels</subject><subject>Hydrogels</subject><subject>Materials science</subject><subject>micelles</subject><subject>Mixing ratio</subject><subject>Polyethylene glycol</subject><subject>Polymers</subject><subject>Sol-gel processes</subject><subject>stimuli‐sensitive polymers</subject><subject>viscosity and viscoelasticity</subject><issn>0021-8995</issn><issn>1097-4628</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1kMFOwzAMhiMEEmNw4A0iceLQLUnTtD1O0xhIk9gBzlGSpmuntAlJp2k3HoFn5EnIKFckS5btz7_lH4B7jGYYITIXzs1oRhG5ABOMyjyhjBSXYBJnOCnKMrsGNyHsEcI4Q2wC-qXtnA3t0Nr--_Or0k73le4HGKyJ9U4bOHjRjwC0NRSda9oYplVQmgifm9vVGh7boYHNqfLWNVbG6U4YI7q20lCdb_RRNdyCq1qYoO_-8hS8P63els_J5nX9slxsEkXKnCRSUMmKirJCFylhZVbIHFOUSiVkVWIWP0MZJnmqCibSXCrFtKY0rWimlKqzdAoeRl3n7cdBh4Hv7cH38SQnCOc5iR6VkXocKeVtCF7X3Pm2E_7EMeJnO3m0k__aGdn5yB5bo0__g3yx3Y4bPy1xees</recordid><startdate>20180620</startdate><enddate>20180620</enddate><creator>Aso, Akihiro</creator><creator>Taki, Kazutaka</creator><creator>Maeda, Tomoki</creator><creator>Toma, Kazunori</creator><creator>Tamiaki, Hitoshi</creator><creator>Hotta, Atsushi</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0001-9108-0816</orcidid><orcidid>https://orcid.org/0000-0001-9516-2739</orcidid></search><sort><creationdate>20180620</creationdate><title>Composition‐dependent sol‐gel transition of amphiphilic blend of PEG with hydrophobic gallamide components</title><author>Aso, Akihiro ; Taki, Kazutaka ; Maeda, Tomoki ; Toma, Kazunori ; Tamiaki, Hitoshi ; Hotta, Atsushi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2972-ba4b68d468e8326958b71403bcabd916109051273c86a37bcc6ee443d45cccf53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>copolymers</topic><topic>gels</topic><topic>Hydrogels</topic><topic>Materials science</topic><topic>micelles</topic><topic>Mixing ratio</topic><topic>Polyethylene glycol</topic><topic>Polymers</topic><topic>Sol-gel processes</topic><topic>stimuli‐sensitive polymers</topic><topic>viscosity and viscoelasticity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Aso, Akihiro</creatorcontrib><creatorcontrib>Taki, Kazutaka</creatorcontrib><creatorcontrib>Maeda, Tomoki</creatorcontrib><creatorcontrib>Toma, Kazunori</creatorcontrib><creatorcontrib>Tamiaki, Hitoshi</creatorcontrib><creatorcontrib>Hotta, Atsushi</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of applied polymer science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Aso, Akihiro</au><au>Taki, Kazutaka</au><au>Maeda, Tomoki</au><au>Toma, Kazunori</au><au>Tamiaki, Hitoshi</au><au>Hotta, Atsushi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Composition‐dependent sol‐gel transition of amphiphilic blend of PEG with hydrophobic gallamide components</atitle><jtitle>Journal of applied polymer science</jtitle><date>2018-06-20</date><risdate>2018</risdate><volume>135</volume><issue>24</issue><epage>n/a</epage><issn>0021-8995</issn><eissn>1097-4628</eissn><abstract>ABSTRACT
Two types of poly(ethylene glycol) (PEG)‐based amphiphiles were synthesized: a diblock‐type amphiphile (PEG1) with a hydrophobic moiety on one terminal of PEG (PEG with the molecular weight of 2000), and a triblock‐type amphiphile (PEG2) with hydrophobic moieties on both terminals of PEG. The hydrophobic moiety consisted of hydrophobic C14 alkyl tails covalently linked through a gallamide component. The sol–gel transitions of the aqueous solution of PEG1 and PEG2 were studied. At the PEG amphiphile concentration of 15 wt %, PEG1 gave a clear solution over a wide temperature range from 20 to 80 °C, while PEG2 was partially soluble in water. However, the aqueous blend solution of PEG1 and PEG2 exhibited a hydrogel depending on the blend ratio and temperature. It was considered that the composition of PEG1 and PEG2 governed the sol–gel transition, and that the dynamic moduli could be effectively controlled by changing the mixing ratios of the PEG amphiphiles. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 45402.</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/app.45402</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0001-9108-0816</orcidid><orcidid>https://orcid.org/0000-0001-9516-2739</orcidid></addata></record> |
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| subjects | copolymers gels Hydrogels Materials science micelles Mixing ratio Polyethylene glycol Polymers Sol-gel processes stimuli‐sensitive polymers viscosity and viscoelasticity |
| title | Composition‐dependent sol‐gel transition of amphiphilic blend of PEG with hydrophobic gallamide components |
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