Microgel structure-driven linear and non-linear mechanical properties of self-assembled microgel films
[Display omitted] Soft self-supported cohesive films were formed by self-assembly of pH- and thermo-responsive P(MEO2MA-co-OEGMA-co-MAA) microgels without any preparation and/or post-treatments. Linear and non-linear mechanical properties of those films were characterized respectively by dynamic mec...
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| Veröffentlicht in: | Colloids and surfaces. A, Physicochemical and engineering aspects Physicochemical and engineering aspects, 2021-03, Vol.613, p.126082, Article 126082 |
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| container_title | Colloids and surfaces. A, Physicochemical and engineering aspects |
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| creator | Dieuzy, Eva Auguste, Stéphane Chougrani, Kamel Alard, Valérie Billon, Laurent Derail, Christophe |
| description | [Display omitted]
Soft self-supported cohesive films were formed by self-assembly of pH- and thermo-responsive P(MEO2MA-co-OEGMA-co-MAA) microgels without any preparation and/or post-treatments. Linear and non-linear mechanical properties of those films were characterized respectively by dynamic mechanical measurements at low strain and uniaxial extensional tests at high deformation. A relationship between the microstructure of microgels and the mechanical strength of microgel-based films was successfully established. Compared to microgels crosslinked with Oligo(ethylene glycol) diacrylate (OEGDA), microgels with N,N-methylenebisacrylamide (MBA) demonstrate a less crosslinked structure but especially a looser shell which enables the particles to better interpenetrate between one another and resist to higher deformation. Novel films were also designed by controlled mixing microgels and the synthesis side-product, namely water-soluble polymer, WSP, in a ratio with WSP content till 100 %. Those films demonstrated promising mechanical properties due to the structural characteristics of the later. The later act as a lever to tune the elastic modulus of films without diminishing their resistance at strain thanks to its high molar mass and crosslinked structure revealed by Steric Exclusion Chromatography (SEC) measurements. |
| doi_str_mv | 10.1016/j.colsurfa.2020.126082 |
| format | Article |
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Soft self-supported cohesive films were formed by self-assembly of pH- and thermo-responsive P(MEO2MA-co-OEGMA-co-MAA) microgels without any preparation and/or post-treatments. Linear and non-linear mechanical properties of those films were characterized respectively by dynamic mechanical measurements at low strain and uniaxial extensional tests at high deformation. A relationship between the microstructure of microgels and the mechanical strength of microgel-based films was successfully established. Compared to microgels crosslinked with Oligo(ethylene glycol) diacrylate (OEGDA), microgels with N,N-methylenebisacrylamide (MBA) demonstrate a less crosslinked structure but especially a looser shell which enables the particles to better interpenetrate between one another and resist to higher deformation. Novel films were also designed by controlled mixing microgels and the synthesis side-product, namely water-soluble polymer, WSP, in a ratio with WSP content till 100 %. Those films demonstrated promising mechanical properties due to the structural characteristics of the later. The later act as a lever to tune the elastic modulus of films without diminishing their resistance at strain thanks to its high molar mass and crosslinked structure revealed by Steric Exclusion Chromatography (SEC) measurements.</description><identifier>ISSN: 0927-7757</identifier><identifier>EISSN: 1873-4359</identifier><identifier>DOI: 10.1016/j.colsurfa.2020.126082</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Analytical chemistry ; Chemical Sciences ; Dynamic mechanical measurements ; Linear ; Material chemistry ; Microgels ; Non-linear ; or physical chemistry ; Particle-based films ; Polymers ; Structure-Properties relationship ; Theoretical and</subject><ispartof>Colloids and surfaces. A, Physicochemical and engineering aspects, 2021-03, Vol.613, p.126082, Article 126082</ispartof><rights>2021 Elsevier B.V.</rights><rights>Attribution - NonCommercial</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c394t-778f01cc6e9fbc906475763a215799f8247237f80809156f262690c6fd424c7c3</citedby><cites>FETCH-LOGICAL-c394t-778f01cc6e9fbc906475763a215799f8247237f80809156f262690c6fd424c7c3</cites><orcidid>0000-0003-3782-6773 ; 0000-0002-3719-6911 ; 0000-0003-0999-899X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.colsurfa.2020.126082$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,780,784,885,3548,27922,27923,45993</link.rule.ids><backlink>$$Uhttps://univ-pau.hal.science/hal-03126992$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Dieuzy, Eva</creatorcontrib><creatorcontrib>Auguste, Stéphane</creatorcontrib><creatorcontrib>Chougrani, Kamel</creatorcontrib><creatorcontrib>Alard, Valérie</creatorcontrib><creatorcontrib>Billon, Laurent</creatorcontrib><creatorcontrib>Derail, Christophe</creatorcontrib><title>Microgel structure-driven linear and non-linear mechanical properties of self-assembled microgel films</title><title>Colloids and surfaces. A, Physicochemical and engineering aspects</title><description>[Display omitted]
Soft self-supported cohesive films were formed by self-assembly of pH- and thermo-responsive P(MEO2MA-co-OEGMA-co-MAA) microgels without any preparation and/or post-treatments. Linear and non-linear mechanical properties of those films were characterized respectively by dynamic mechanical measurements at low strain and uniaxial extensional tests at high deformation. A relationship between the microstructure of microgels and the mechanical strength of microgel-based films was successfully established. Compared to microgels crosslinked with Oligo(ethylene glycol) diacrylate (OEGDA), microgels with N,N-methylenebisacrylamide (MBA) demonstrate a less crosslinked structure but especially a looser shell which enables the particles to better interpenetrate between one another and resist to higher deformation. Novel films were also designed by controlled mixing microgels and the synthesis side-product, namely water-soluble polymer, WSP, in a ratio with WSP content till 100 %. Those films demonstrated promising mechanical properties due to the structural characteristics of the later. 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A, Physicochemical and engineering aspects</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Dieuzy, Eva</au><au>Auguste, Stéphane</au><au>Chougrani, Kamel</au><au>Alard, Valérie</au><au>Billon, Laurent</au><au>Derail, Christophe</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microgel structure-driven linear and non-linear mechanical properties of self-assembled microgel films</atitle><jtitle>Colloids and surfaces. A, Physicochemical and engineering aspects</jtitle><date>2021-03-20</date><risdate>2021</risdate><volume>613</volume><spage>126082</spage><pages>126082-</pages><artnum>126082</artnum><issn>0927-7757</issn><eissn>1873-4359</eissn><abstract>[Display omitted]
Soft self-supported cohesive films were formed by self-assembly of pH- and thermo-responsive P(MEO2MA-co-OEGMA-co-MAA) microgels without any preparation and/or post-treatments. Linear and non-linear mechanical properties of those films were characterized respectively by dynamic mechanical measurements at low strain and uniaxial extensional tests at high deformation. A relationship between the microstructure of microgels and the mechanical strength of microgel-based films was successfully established. Compared to microgels crosslinked with Oligo(ethylene glycol) diacrylate (OEGDA), microgels with N,N-methylenebisacrylamide (MBA) demonstrate a less crosslinked structure but especially a looser shell which enables the particles to better interpenetrate between one another and resist to higher deformation. Novel films were also designed by controlled mixing microgels and the synthesis side-product, namely water-soluble polymer, WSP, in a ratio with WSP content till 100 %. Those films demonstrated promising mechanical properties due to the structural characteristics of the later. The later act as a lever to tune the elastic modulus of films without diminishing their resistance at strain thanks to its high molar mass and crosslinked structure revealed by Steric Exclusion Chromatography (SEC) measurements.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.colsurfa.2020.126082</doi><orcidid>https://orcid.org/0000-0003-3782-6773</orcidid><orcidid>https://orcid.org/0000-0002-3719-6911</orcidid><orcidid>https://orcid.org/0000-0003-0999-899X</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | Colloids and surfaces. A, Physicochemical and engineering aspects, 2021-03, Vol.613, p.126082, Article 126082 |
| issn | 0927-7757 1873-4359 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Analytical chemistry Chemical Sciences Dynamic mechanical measurements Linear Material chemistry Microgels Non-linear or physical chemistry Particle-based films Polymers Structure-Properties relationship Theoretical and |
| title | Microgel structure-driven linear and non-linear mechanical properties of self-assembled microgel films |
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