Long-term aging effects on the rheology of neat laponite and laponite–PEO dispersions
We observe aging behavior of neat laponite systems over the course of 1,000 or more days. Under basic conditions, low laponite concentrations (1 wt%) slowly evolve from a viscoelastic liquid to a glass made of clusters acting as constituent elements interacting via long-range repulsion. Higher conce...
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| Veröffentlicht in: | Rheologica acta 2008-04, Vol.47 (3), p.349-357 |
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| creator | Baghdadi, Hossein A. Parrella, Justin Bhatia, Surita R. |
| description | We observe aging behavior of neat laponite systems over the course of 1,000 or more days. Under basic conditions, low laponite concentrations (1 wt%) slowly evolve from a viscoelastic liquid to a glass made of clusters acting as constituent elements interacting via long-range repulsion. Higher concentrations of laponite (3 wt%) quickly form a glass of individual particles. Intermediate concentrations of laponite form a glass that is a combination of clusters and individual particles. The aging rheological response and upturn of the loss modulus at low frequencies are well predicted by models of soft glassy systems (Fielding et al.,
J Rheol
, 44(2):323–369, 2000; Sollich,
Phys Rev E
, 58(1):738–759, 1998). If low amounts of high-molecular-weight (
M
n
≥ 163 kg/mol) poly(ethylene oxide) (PEO) are added, the aging behavior follows the dynamical response of the clay. Above a critical ratio,
φ
, of the free polymer chains in solution to the total laponite surface area, the PEO dynamics dominate at high frequencies. It appears that the dynamics of these complex laponite-PEO systems are governed by the parameter
φ
. |
| doi_str_mv | 10.1007/s00397-007-0236-1 |
| format | Article |
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J Rheol
, 44(2):323–369, 2000; Sollich,
Phys Rev E
, 58(1):738–759, 1998). If low amounts of high-molecular-weight (
M
n
≥ 163 kg/mol) poly(ethylene oxide) (PEO) are added, the aging behavior follows the dynamical response of the clay. Above a critical ratio,
φ
, of the free polymer chains in solution to the total laponite surface area, the PEO dynamics dominate at high frequencies. It appears that the dynamics of these complex laponite-PEO systems are governed by the parameter
φ
.</description><identifier>ISSN: 0035-4511</identifier><identifier>EISSN: 1435-1528</identifier><identifier>DOI: 10.1007/s00397-007-0236-1</identifier><identifier>CODEN: RHEAAK</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer-Verlag</publisher><subject>Aging ; Applied sciences ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Clusters ; Complex Fluids and Microfluidics ; Composites ; Ethylene oxide ; Exact sciences and technology ; Food Science ; Forms of application and semi-finished materials ; Glass ; Loss modulus ; Materials Science ; Mechanical Engineering ; Original Contribution ; Polymer industry, paints, wood ; Polymer Sciences ; Rheological properties ; Rheology ; Soft and Granular Matter ; Technology of polymers ; Viscoelastic liquids ; Viscoelasticity</subject><ispartof>Rheologica acta, 2008-04, Vol.47 (3), p.349-357</ispartof><rights>Springer-Verlag 2007</rights><rights>2008 INIST-CNRS</rights><rights>Rheologica Acta is a copyright of Springer, (2007). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c412t-e11e9fff89494c566d4277bba190c36550058229c5949789efd355862cf0b75e3</citedby><cites>FETCH-LOGICAL-c412t-e11e9fff89494c566d4277bba190c36550058229c5949789efd355862cf0b75e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00397-007-0236-1$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00397-007-0236-1$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20235564$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Baghdadi, Hossein A.</creatorcontrib><creatorcontrib>Parrella, Justin</creatorcontrib><creatorcontrib>Bhatia, Surita R.</creatorcontrib><title>Long-term aging effects on the rheology of neat laponite and laponite–PEO dispersions</title><title>Rheologica acta</title><addtitle>Rheol Acta</addtitle><description>We observe aging behavior of neat laponite systems over the course of 1,000 or more days. Under basic conditions, low laponite concentrations (1 wt%) slowly evolve from a viscoelastic liquid to a glass made of clusters acting as constituent elements interacting via long-range repulsion. Higher concentrations of laponite (3 wt%) quickly form a glass of individual particles. Intermediate concentrations of laponite form a glass that is a combination of clusters and individual particles. The aging rheological response and upturn of the loss modulus at low frequencies are well predicted by models of soft glassy systems (Fielding et al.,
J Rheol
, 44(2):323–369, 2000; Sollich,
Phys Rev E
, 58(1):738–759, 1998). If low amounts of high-molecular-weight (
M
n
≥ 163 kg/mol) poly(ethylene oxide) (PEO) are added, the aging behavior follows the dynamical response of the clay. Above a critical ratio,
φ
, of the free polymer chains in solution to the total laponite surface area, the PEO dynamics dominate at high frequencies. It appears that the dynamics of these complex laponite-PEO systems are governed by the parameter
φ
.</description><subject>Aging</subject><subject>Applied sciences</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Clusters</subject><subject>Complex Fluids and Microfluidics</subject><subject>Composites</subject><subject>Ethylene oxide</subject><subject>Exact sciences and technology</subject><subject>Food Science</subject><subject>Forms of application and semi-finished materials</subject><subject>Glass</subject><subject>Loss modulus</subject><subject>Materials Science</subject><subject>Mechanical Engineering</subject><subject>Original Contribution</subject><subject>Polymer industry, paints, wood</subject><subject>Polymer Sciences</subject><subject>Rheological properties</subject><subject>Rheology</subject><subject>Soft and Granular Matter</subject><subject>Technology of polymers</subject><subject>Viscoelastic liquids</subject><subject>Viscoelasticity</subject><issn>0035-4511</issn><issn>1435-1528</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp1kE1OwzAQhS0EEqVwAHaWEEuD7cR2skRV-ZEqlQWIpeU6dpoqtYOdLrrjDtyQk-AoVVmxmjeab96MHgDXBN8RjMV9xDgrBUoSYZpxRE7AhOQZQ4TR4hRM0pihnBFyDi5i3GBMBBd0Aj4W3tWoN2ELVd24Ghprje4j9A72awPD2vjW13voLXRG9bBVnXdNb6By1bH5-fp-nS9h1cTOhNh4Fy_BmVVtNFeHOgXvj_O32TNaLJ9eZg8LpHNCe2QIMaW1tijzMteM8yqnQqxWipRYZ5wxjFlBaalZAkRRGltljBWcaotXgplsCm5G3y74z52Jvdz4XXDppKSUU4wLVpBEkZHSwccYjJVdaLYq7CXBcshPjvnJQQ75yWHn9uCsolatDcrpJh4XacIY43ni6MjFNHK1CX8f_G_-C6YQf1k</recordid><startdate>20080401</startdate><enddate>20080401</enddate><creator>Baghdadi, Hossein A.</creator><creator>Parrella, Justin</creator><creator>Bhatia, Surita R.</creator><general>Springer-Verlag</general><general>Springer</general><general>Springer Nature B.V</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>L6V</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope></search><sort><creationdate>20080401</creationdate><title>Long-term aging effects on the rheology of neat laponite and laponite–PEO dispersions</title><author>Baghdadi, Hossein A. ; Parrella, Justin ; Bhatia, Surita R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c412t-e11e9fff89494c566d4277bba190c36550058229c5949789efd355862cf0b75e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Aging</topic><topic>Applied sciences</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry and Materials Science</topic><topic>Clusters</topic><topic>Complex Fluids and Microfluidics</topic><topic>Composites</topic><topic>Ethylene oxide</topic><topic>Exact sciences and technology</topic><topic>Food Science</topic><topic>Forms of application and semi-finished materials</topic><topic>Glass</topic><topic>Loss modulus</topic><topic>Materials Science</topic><topic>Mechanical Engineering</topic><topic>Original Contribution</topic><topic>Polymer industry, paints, wood</topic><topic>Polymer Sciences</topic><topic>Rheological properties</topic><topic>Rheology</topic><topic>Soft and Granular Matter</topic><topic>Technology of polymers</topic><topic>Viscoelastic liquids</topic><topic>Viscoelasticity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Baghdadi, Hossein A.</creatorcontrib><creatorcontrib>Parrella, Justin</creatorcontrib><creatorcontrib>Bhatia, Surita R.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Science Database</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Materials Science Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><jtitle>Rheologica acta</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Baghdadi, Hossein A.</au><au>Parrella, Justin</au><au>Bhatia, Surita R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Long-term aging effects on the rheology of neat laponite and laponite–PEO dispersions</atitle><jtitle>Rheologica acta</jtitle><stitle>Rheol Acta</stitle><date>2008-04-01</date><risdate>2008</risdate><volume>47</volume><issue>3</issue><spage>349</spage><epage>357</epage><pages>349-357</pages><issn>0035-4511</issn><eissn>1435-1528</eissn><coden>RHEAAK</coden><abstract>We observe aging behavior of neat laponite systems over the course of 1,000 or more days. Under basic conditions, low laponite concentrations (1 wt%) slowly evolve from a viscoelastic liquid to a glass made of clusters acting as constituent elements interacting via long-range repulsion. Higher concentrations of laponite (3 wt%) quickly form a glass of individual particles. Intermediate concentrations of laponite form a glass that is a combination of clusters and individual particles. The aging rheological response and upturn of the loss modulus at low frequencies are well predicted by models of soft glassy systems (Fielding et al.,
J Rheol
, 44(2):323–369, 2000; Sollich,
Phys Rev E
, 58(1):738–759, 1998). If low amounts of high-molecular-weight (
M
n
≥ 163 kg/mol) poly(ethylene oxide) (PEO) are added, the aging behavior follows the dynamical response of the clay. Above a critical ratio,
φ
, of the free polymer chains in solution to the total laponite surface area, the PEO dynamics dominate at high frequencies. It appears that the dynamics of these complex laponite-PEO systems are governed by the parameter
φ
.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer-Verlag</pub><doi>10.1007/s00397-007-0236-1</doi><tpages>9</tpages></addata></record> |
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| subjects | Aging Applied sciences Characterization and Evaluation of Materials Chemistry and Materials Science Clusters Complex Fluids and Microfluidics Composites Ethylene oxide Exact sciences and technology Food Science Forms of application and semi-finished materials Glass Loss modulus Materials Science Mechanical Engineering Original Contribution Polymer industry, paints, wood Polymer Sciences Rheological properties Rheology Soft and Granular Matter Technology of polymers Viscoelastic liquids Viscoelasticity |
| title | Long-term aging effects on the rheology of neat laponite and laponite–PEO dispersions |
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