1
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Effects of addition of styrene-co-methacrylate ionomers neutralized with various monovalent cations on asphaltene dispersion in heavy oil. Macromol Res 2023. [DOI: 10.1007/s13233-023-00122-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
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2
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Relationship between the chemical structure, morphology, and water absorption of styrene-co-itaconate ionomers. Macromol Res 2023. [DOI: 10.1007/s13233-023-00139-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
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3
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Interaction between the phase separation and flow-induced crystallization process in polyethylene/ethylene-methacrylic acid ionomers (surlyn) blends during the film blowing: An in-situ synchrotron radiation X-ray scattering study. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.124819] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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4
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Ko KH, Kim JS. Mechanical Properties of Poly(methyl methacrylate-co-3-sulfopropyl methacrylate) Ionomers Acting as a Filled System. Macromol Res 2019. [DOI: 10.1007/s13233-019-7092-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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5
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Sampath J, Hall LM. Impact of ion content and electric field on mechanical properties of coarse-grained ionomers. J Chem Phys 2018; 149:163313. [DOI: 10.1063/1.5029260] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Janani Sampath
- William G. Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University, 151 W. Woodruff Ave., Columbus, Ohio 43210, USA
| | - Lisa M. Hall
- William G. Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University, 151 W. Woodruff Ave., Columbus, Ohio 43210, USA
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6
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Mashita R, Inoue R, Tominaga T, Shibata K, Kishimoto H, Kanaya T. Quasielastic neutron scattering study of microscopic dynamics in polybutadiene reinforced with an unsaturated carboxylate. SOFT MATTER 2017; 13:7862-7869. [PMID: 29019368 DOI: 10.1039/c7sm01262d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
We studied the dynamics of zinc diacrylate (ZDA) reinforced polybutadiene rubber (BR) (ZDA/BR) using the quasielastic neutron scattering technique to determine the effect of concentration of ZDA on polymer dynamics. First, we evaluated the temperature dependence of mean square displacements (〈u2〉) for ZDA/BR with different ZDA volume fractions. 〈u2〉 increased with temperature below 170 K, and we observed no significant ZDA volume fraction dependence. However, it increased more steeply above 170 K, and the value of 〈u2〉 was smaller for the samples with increasing ZDA fraction. To elucidate the origin of the decrease in 〈u2〉 with increasing ZDA content, dynamic scattering laws (S(Q,ω)) were analyzed. An increase in the elastic component, an increase in the mean relaxation time, and a broadening of distribution of relaxation time were observed with the increasing volume fraction of ZDA. In addition, the ZDA volume fraction dependence of the elastic component roughly corresponded to that of elastic modulus, indicating that the elastic component is related to its mechanical strength. Referring to the previously reported static structure of the present ZDA/BR system, a model for the heterogeneous BR dynamics was proposed. This model assumes the coexistence of immobile, mobile, and interfacial constrained mobile regions. It was found to be appropriate for the explanation of the observed dynamics. We proposed that a network-like structure of the BR having a high crosslinking density around ZDA aggregates is mainly responsible for the high elastic modulus of ZDA/BR.
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Affiliation(s)
- Ryo Mashita
- SUMITOMO Rubber Industries, LTD, 1-1, 2-chome, Tsutsui-cho, Chuo-ku, Kobe 651-0071, Japan
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7
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Sampath J, Hall LM. Impact of ionic aggregate structure on ionomer mechanical properties from coarse-grained molecular dynamics simulations. J Chem Phys 2017; 147:134901. [DOI: 10.1063/1.4985904] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- Janani Sampath
- William G. Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University, 151 W. Woodruff Ave., Columbus, Ohio 43210,
USA
| | - Lisa M. Hall
- William G. Lowrie Department of Chemical and Biomolecular Engineering, The Ohio State University, 151 W. Woodruff Ave., Columbus, Ohio 43210,
USA
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8
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Zhang L, Qiu B, Song Y, Zheng Q. Molecular relaxation and dynamic rheology of “cluster phase”-free ionomers based on lanthanum(iii)-neutralized low-carboxylated poly(methyl methacrylate). RSC Adv 2016. [DOI: 10.1039/c6ra10135f] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
La(iii)-neutralized low-carboxylated poly(methyl methacrylate)-based ionomers free of cluster phase exhibit a fluid-to-solid transition assigned to an interconnected multiplets network.
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Affiliation(s)
- Lina Zhang
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Biwei Qiu
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Yihu Song
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
| | - Qiang Zheng
- Department of Polymer Science and Engineering
- Zhejiang University
- Hangzhou 310027
- China
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization
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9
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Structure analyses of polybutadiene rubber crosslinked with unsaturated carboxylate using contrast variation small-angle neutron scattering. Polym J 2015. [DOI: 10.1038/pj.2015.102] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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10
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11
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Ko KH, Park HR, Kim JS, Kim YW. Tangible plasticization/filler effects of sodium salts of dimer acids on the mechanical properties of styrene ionomers. J Appl Polym Sci 2013. [DOI: 10.1002/app.38836] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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12
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Mashita R, Kishimoto H, Inoue R, Kanaya T. Small-angle X-ray and neutron scattering analyses of highly crosslinked rubber with unsaturated carboxylic acid. Polym J 2012. [DOI: 10.1038/pj.2012.200] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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13
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Zhu X, Song Y, Zheng Q. Effect of lanthanide (La(III))-containing ionomer on thermal stabilization of poly(vinyl chloride). J Appl Polym Sci 2012. [DOI: 10.1002/app.36772] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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14
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Influence of ZnSt2 on structure of acrylate-based ionomers with different lanthanide (La(III)) ion and acid contents. CHINESE JOURNAL OF POLYMER SCIENCE 2012. [DOI: 10.1007/s10118-012-1125-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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15
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Gao Y, Choudhury NR, Dutta NK. Effects of neutralization on the structure and properties of an ionomer. J Appl Polym Sci 2011. [DOI: 10.1002/app.35310] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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16
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Seitz ME, Chan CD, Opper KL, Baughman TW, Wagener KB, Winey KI. Nanoscale morphology in precisely sequenced poly(ethylene-co-acrylic acid) zinc ionomers. J Am Chem Soc 2010; 132:8165-74. [PMID: 20496894 DOI: 10.1021/ja101991d] [Citation(s) in RCA: 143] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The morphology of a series of linear poly(ethylene-co-acrylic acid) zinc-neutralized ionomers with either precisely or randomly spaced acid groups was investigated using X-ray scattering, differential scanning calorimetry (DSC), and scanning transmission electron microscopy (STEM). Scattering from semicrystalline, precise ionomers has contributions from acid layers associated with the crystallites and ionic aggregates dispersed in the amorphous phase. The precisely controlled acid spacing in these ionomers reduces the polydispersity in the aggregate correlation length and yields more intense, well-defined scattering peaks. Remarkably, the ionic aggregates in an amorphous, precise ionomer with 22 mol % acid and 66% neutralization adopt a cubic lattice; this is the first report of ionic aggregate self-assembly onto a lattice in an ionomer with an all-carbon backbone. Aggregate size is insensitive to acid content or neutralization level. As the acid content increases from 9.5 to 22 mol % at approximately 75% neutralization, the number density of aggregates increases by approximately 5 times, suggesting that the ionic aggregates become less ionic with increasing acid content.
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Affiliation(s)
- Michelle E Seitz
- Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
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17
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Francolini I, D’Ilario L, Guaglianone E, Donelli G, Martinelli A, Piozzi A. Polyurethane anionomers containing metal ions with antimicrobial properties: thermal, mechanical and biological characterization. Acta Biomater 2010; 6:3482-90. [PMID: 20371306 DOI: 10.1016/j.actbio.2010.03.042] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2009] [Revised: 03/30/2010] [Accepted: 03/30/2010] [Indexed: 10/19/2022]
Abstract
In recent years the employment of implantable medical devices has increased remarkably, notwithstanding that microbial infections are a frequent complication associated with their use. Different strategies have been attempted to overcome this problem, including the incorporation of antimicrobial agents into the device itself. In this study a new approach to obtain intrinsically antimicrobial materials was developed. Polymer anionomers containing Ag(I), Cu(II), Zn(II), Al(III) and Fe(III) were prepared by neutralization of a carboxylated polyurethane. In the case of the PEUA-Ag, PEUA-Fe and PEUA-Cu ionomers the ion aggregates behaved as reinforcing filler particles, increasing the mechanical properties of the systems in terms of hardness and strength at break over the pristine carboxylated polymer. With the exception of the Al-containing polymer, all the other experimented ionomers showed satisfactory antimicrobial properties. The best antibacterial effect was obtained with the silver ion-containing polymer, which inhibited Staphylococcus epidermidis growth for up to 16days. Ciprofloxacin was also adsorbed onto the above mentioned ionomers. A synergistic effect of the antibiotic and silver ions on bacterial growth inhibition was observed for at least 25days.
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18
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Luqman M, Kim JS, Shin K. Dynamic mechanical and morphological studies of styrene-co-methacrylate and sulfonated polystyrene ionomers containing aliphatic dicarboxylate salts. Macromol Res 2009. [DOI: 10.1007/bf03218925] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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19
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Wang W, Chan TT, Perkowski AJ, Schlick S, Winey KI. Local structure and composition of the ionic aggregates in Cu(II)-neutralized poly(styrene-co-methacrylic acid) ionomers depend on acid content and neutralization level. POLYMER 2009. [DOI: 10.1016/j.polymer.2009.01.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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20
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van der Mee MAJ, l’Abee RMA, Portale G, Goossens JGP, van Duin M. Synthesis, Structure, and Properties of Ionic Thermoplastic Elastomers Based on Maleated Ethylene/Propylene Copolymers. Macromolecules 2008. [DOI: 10.1021/ma8007509] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- M. A. J. van der Mee
- Laboratory of Polymer Technology, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands; Dutch Polymer Institute, P.O. Box 902, 5600 AX Eindhoven, The Netherlands; Netherlands Organization for Scientific Research (NWO), DUBBLE CRG, ESRF, 6 rue Jules Horowitz, BP 220, F-38043 Grenoble Cédex 9, France; and DSM Research, P.O. Box 18, 6160 MD Geleen, The Netherlands
| | - R. M. A. l’Abee
- Laboratory of Polymer Technology, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands; Dutch Polymer Institute, P.O. Box 902, 5600 AX Eindhoven, The Netherlands; Netherlands Organization for Scientific Research (NWO), DUBBLE CRG, ESRF, 6 rue Jules Horowitz, BP 220, F-38043 Grenoble Cédex 9, France; and DSM Research, P.O. Box 18, 6160 MD Geleen, The Netherlands
| | - G. Portale
- Laboratory of Polymer Technology, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands; Dutch Polymer Institute, P.O. Box 902, 5600 AX Eindhoven, The Netherlands; Netherlands Organization for Scientific Research (NWO), DUBBLE CRG, ESRF, 6 rue Jules Horowitz, BP 220, F-38043 Grenoble Cédex 9, France; and DSM Research, P.O. Box 18, 6160 MD Geleen, The Netherlands
| | - J. G. P. Goossens
- Laboratory of Polymer Technology, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands; Dutch Polymer Institute, P.O. Box 902, 5600 AX Eindhoven, The Netherlands; Netherlands Organization for Scientific Research (NWO), DUBBLE CRG, ESRF, 6 rue Jules Horowitz, BP 220, F-38043 Grenoble Cédex 9, France; and DSM Research, P.O. Box 18, 6160 MD Geleen, The Netherlands
| | - M. van Duin
- Laboratory of Polymer Technology, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands; Dutch Polymer Institute, P.O. Box 902, 5600 AX Eindhoven, The Netherlands; Netherlands Organization for Scientific Research (NWO), DUBBLE CRG, ESRF, 6 rue Jules Horowitz, BP 220, F-38043 Grenoble Cédex 9, France; and DSM Research, P.O. Box 18, 6160 MD Geleen, The Netherlands
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21
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Grady BP. Review and critical analysis of the morphology of random ionomers across many length scales. POLYM ENG SCI 2008. [DOI: 10.1002/pen.21024] [Citation(s) in RCA: 84] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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22
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Saito T, Mather BD, Costanzo PJ, Beyer FL, Long TE. Influence of Site-Specific Sulfonation on Acrylic Graft Copolymer Morphology. Macromolecules 2008. [DOI: 10.1021/ma800178d] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Tomonori Saito
- Department of Chemistry, Macromolecules and Interfaces Institute, Virginia Tech, Blacksburg, Virginia 24061-0212; Army Research Laboratory, Materials Division, Aberdeen Proving Ground, Aberdeen, Maryland 21005-5069; and Department of Chemistry & Biochemistry, California Polytechnic State University, San Luis Obispo, California 93407
| | - Brian D. Mather
- Department of Chemistry, Macromolecules and Interfaces Institute, Virginia Tech, Blacksburg, Virginia 24061-0212; Army Research Laboratory, Materials Division, Aberdeen Proving Ground, Aberdeen, Maryland 21005-5069; and Department of Chemistry & Biochemistry, California Polytechnic State University, San Luis Obispo, California 93407
| | - Philip J. Costanzo
- Department of Chemistry, Macromolecules and Interfaces Institute, Virginia Tech, Blacksburg, Virginia 24061-0212; Army Research Laboratory, Materials Division, Aberdeen Proving Ground, Aberdeen, Maryland 21005-5069; and Department of Chemistry & Biochemistry, California Polytechnic State University, San Luis Obispo, California 93407
| | - Frederick L. Beyer
- Department of Chemistry, Macromolecules and Interfaces Institute, Virginia Tech, Blacksburg, Virginia 24061-0212; Army Research Laboratory, Materials Division, Aberdeen Proving Ground, Aberdeen, Maryland 21005-5069; and Department of Chemistry & Biochemistry, California Polytechnic State University, San Luis Obispo, California 93407
| | - Timothy E. Long
- Department of Chemistry, Macromolecules and Interfaces Institute, Virginia Tech, Blacksburg, Virginia 24061-0212; Army Research Laboratory, Materials Division, Aberdeen Proving Ground, Aberdeen, Maryland 21005-5069; and Department of Chemistry & Biochemistry, California Polytechnic State University, San Luis Obispo, California 93407
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23
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Atorngitjawat P, Runt J. Dynamics of Sulfonated Polystyrene Ionomers Using Broadband Dielectric Spectroscopy. Macromolecules 2007. [DOI: 10.1021/ma061516r] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Pornpen Atorngitjawat
- Department of Materials Science and Engineering and Materials Research Institute, The Pennsylvania State University, University Park, Pennsylvania 16802
| | - James Runt
- Department of Materials Science and Engineering and Materials Research Institute, The Pennsylvania State University, University Park, Pennsylvania 16802
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24
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Yamamoto Y, Murakami M, Ikeda R, Deguchi K, Tansho M, Shimizu T. The Local Structure around Sodium Ions in Poly(ethylene-ran-methacrylic acid) Ionomers Studied by23Na Solid-state NMR under a High Magnetic Field, 21.9 T. CHEM LETT 2006. [DOI: 10.1246/cl.2006.1058] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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25
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Ke Q, Huang X, Wei P, Wang G, Jiang P. Effect of ethylene ionomers on the properties of crosslinked polyethylene. J Appl Polym Sci 2006. [DOI: 10.1002/app.24467] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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26
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Plasticization effects on the mechanical properties and morphology of cobalt and sodium neutralized poly(ethyl acrylate-co-acrylate) ionomers. POLYMER 2006. [DOI: 10.1016/j.polymer.2005.12.022] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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27
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Abstract
The principle subject in the current paper is to summarize and characterize the ionomers based on polymers and copolymers such as polystyrene (PSt), polyisoprene (PIP), polybutadiene (PB), poly(styrene-b-isobutylene-b-styrene) (PSt-PIB-PSt), poly(butadiene-styrene) (PB-PSt), poly(ethylene terephthalate) (PET), poly(butylene adipate) (PBA), poly(butylene succinate) (PBSi), poly(dimethylcarbosiloxanes), polyurethane, etc. The self-assembly of ionomers, models concerning ionomer morphologies, physical and rheological properties of ionomer phase and percolation behavior of ionomers were discussed. The ionomer phase materials and dispersions have been characterized by differential scanning calorimetry (DSC), small-angle X-ray catering (SAXS), small-angle neutron scattering (SANS), Fourier transform infrared (FTIR) spectroscopy, transmission electron microscopy (TEM), etc. The wide range of compositions, molecular architectures, and morphologies present in ionomeric disperse systems are of great interest. The research is particularly devoted to the potential application of these materials and an understanding of the fundamental principles of the ionomers. They are extremely complex systems, sensitive to changes in structure and composition, and therefore not easily amenable to modeling and to the derivation of general patterns of behavior. The reviewed data indicate that a large number of parameters are important in influencing multiplet formation and clustering in random ionomers. Among these are the ion content, size of the polyion and counterion, dielectric constant of the host, T(g) of the polymer, rigidity or persistence length of the backbone, position of the ion pair relative to the backbone, steric constraints, amount and nature of added additive (plasticizer), thermal history, etc.
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Affiliation(s)
- Ignác Capek
- Polymer Institute, Slovak Academy of Sciences, 842 36 Bratislava, Slovakia.
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28
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Song JM, Oh SH, Kim JS, Kim WG. Effects of compositional inhomogeneity on the mechanical properties and morphology of styrene-co-methacrylate random ionomer mixtures. POLYMER 2005. [DOI: 10.1016/j.polymer.2005.10.124] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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29
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Taubert A, Winey KI. Imaging and X-ray Microanalysis of a Poly(ethylene-ran-methacrylic acid) Ionomer Melt Neutralized with Sodium. Macromolecules 2002. [DOI: 10.1021/ma0203952] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Andreas Taubert
- Laboratory for Research on the Structure of Matter and Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6272
| | - Karen I. Winey
- Laboratory for Research on the Structure of Matter and Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6272
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30
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Kuwabara K, Horii F. Solid-state NMR analyses of the crystalline-noncrystalline structure and its thermal changes for ethylene ionomers. ACTA ACUST UNITED AC 2002. [DOI: 10.1002/polb.10174] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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31
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Tsujita Y, Yasuda M, Kinoshita T, Takizawa A, Yoshimizu H, Davies GR. Structure of ionic aggregates of ionomers. II. Effect of humidity and temperature on ethylene and styrene ionomers. ACTA ACUST UNITED AC 2002. [DOI: 10.1002/polb.10150] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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