Tailoring the mechanical properties of polyacrylamide-based hydrogels
Here, we studied the mechanical properties of polyacrylic acid-co-polyacrylamide (pAAc/pAAm) and polyacrylate-co-polyacrylamide (pNaAc/pAAm)-based hydrogels as a function of composition and total polymer content. While both polyacrylate and polyacrylic acid are weakly-charged polyelectrolytes with c...
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| Veröffentlicht in: | Polymer (Guilford) 2010-05, Vol.51 (10), p.2207-2214 |
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| creator | Baker, Bryan A. Murff, Rebecca L. Milam, Valeria T. |
| description | Here, we studied the mechanical properties of polyacrylic acid-co-polyacrylamide (pAAc/pAAm) and polyacrylate-co-polyacrylamide (pNaAc/pAAm)-based hydrogels as a function of composition and total polymer content. While both polyacrylate and polyacrylic acid are weakly-charged polyelectrolytes with carboxylate side groups, they exhibit different behavior as copolymers with polyacrylamide. In swelling studies the highest degree of volumetric expansion occurs in the polyacrylate-rich hydrogels. Rheological measurements indicate that the shear storage modulus of the hydrogels typically increases with the percentage of polyacrylamide for a given polymer volume fraction; however, the simultaneous strengthening and embrittling effects of polyacrylamide as a copolymer are more dramatic for the pNaAc/pAAm hydrogels.
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| doi_str_mv | 10.1016/j.polymer.2010.02.022 |
| format | Article |
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[Display omitted]</description><subject>Applied sciences</subject><subject>Copolymers</subject><subject>Exact sciences and technology</subject><subject>Hydrogel</subject><subject>Hydrogels</subject><subject>Mechanical properties</subject><subject>Organic polymers</subject><subject>Physicochemistry of polymers</subject><subject>Polyacrylamide</subject><subject>Polyacrylamides</subject><subject>Polyacrylates</subject><subject>Polyacrylic acid</subject><subject>Properties and characterization</subject><subject>Rheology</subject><subject>Solution and gel properties</subject><subject>Strengthening</subject><subject>Swelling</subject><subject>Volume fraction</subject><issn>0032-3861</issn><issn>1873-2291</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqFUE1LAzEQDaJgrf4EYS_iaesk2U22J5FSP6DgpZ5Dmp1tU7KbNdkK--9NafEqPBgY3sfMI-SewowCFU_7We_d2GKYMUg7YAnsgkxoJXnO2JxekgkAZzmvBL0mNzHuAYCVrJiQ5Vpb54Ptttmww6xFs9OdNdplffA9hsFizHyTHRO0CaPTra0x3-iIdbYb6-C36OItuWq0i3h3nlPy9bpcL97z1efbx-JllRsu6ZBvKBWU11XNtaDIKt4IME1VFGUDFaemLLhAWWmJtWAAG22w4FJK2nBZztM3U_J48k3HfR8wDqq10aBzukN_iEoKOFbARGKWJ6YJPsaAjeqDbXUYFQV1bE3t1bk1dZQoYAks6R7OCTqmFpqgO2Pjn5ixdEghIPGeT7z0Pf7Y5BKNxc5gbQOaQdXe_pP0C97ghVU</recordid><startdate>20100504</startdate><enddate>20100504</enddate><creator>Baker, Bryan A.</creator><creator>Murff, Rebecca L.</creator><creator>Milam, Valeria T.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope></search><sort><creationdate>20100504</creationdate><title>Tailoring the mechanical properties of polyacrylamide-based hydrogels</title><author>Baker, Bryan A. ; Murff, Rebecca L. ; Milam, Valeria T.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c371t-b11613d8d3a61e283f60cf8445f0831c5436e78a7ed6200bace437771f3759873</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Applied sciences</topic><topic>Copolymers</topic><topic>Exact sciences and technology</topic><topic>Hydrogel</topic><topic>Hydrogels</topic><topic>Mechanical properties</topic><topic>Organic polymers</topic><topic>Physicochemistry of polymers</topic><topic>Polyacrylamide</topic><topic>Polyacrylamides</topic><topic>Polyacrylates</topic><topic>Polyacrylic acid</topic><topic>Properties and characterization</topic><topic>Rheology</topic><topic>Solution and gel properties</topic><topic>Strengthening</topic><topic>Swelling</topic><topic>Volume fraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Baker, Bryan A.</creatorcontrib><creatorcontrib>Murff, Rebecca L.</creatorcontrib><creatorcontrib>Milam, Valeria T.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><jtitle>Polymer (Guilford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Baker, Bryan A.</au><au>Murff, Rebecca L.</au><au>Milam, Valeria T.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Tailoring the mechanical properties of polyacrylamide-based hydrogels</atitle><jtitle>Polymer (Guilford)</jtitle><date>2010-05-04</date><risdate>2010</risdate><volume>51</volume><issue>10</issue><spage>2207</spage><epage>2214</epage><pages>2207-2214</pages><issn>0032-3861</issn><eissn>1873-2291</eissn><coden>POLMAG</coden><abstract>Here, we studied the mechanical properties of polyacrylic acid-co-polyacrylamide (pAAc/pAAm) and polyacrylate-co-polyacrylamide (pNaAc/pAAm)-based hydrogels as a function of composition and total polymer content. While both polyacrylate and polyacrylic acid are weakly-charged polyelectrolytes with carboxylate side groups, they exhibit different behavior as copolymers with polyacrylamide. In swelling studies the highest degree of volumetric expansion occurs in the polyacrylate-rich hydrogels. Rheological measurements indicate that the shear storage modulus of the hydrogels typically increases with the percentage of polyacrylamide for a given polymer volume fraction; however, the simultaneous strengthening and embrittling effects of polyacrylamide as a copolymer are more dramatic for the pNaAc/pAAm hydrogels.
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| ispartof | Polymer (Guilford), 2010-05, Vol.51 (10), p.2207-2214 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Copolymers Exact sciences and technology Hydrogel Hydrogels Mechanical properties Organic polymers Physicochemistry of polymers Polyacrylamide Polyacrylamides Polyacrylates Polyacrylic acid Properties and characterization Rheology Solution and gel properties Strengthening Swelling Volume fraction |
| title | Tailoring the mechanical properties of polyacrylamide-based hydrogels |
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