skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Direct Visualization of Nano and Microscale Polymer Morphologies in As-Prepared and Dialyzed Polyampholyte Hydrogels by Electron Microscopy Techniques

Abstract

The structure of polymer networks in hydrogels determines the properties. In this study, we investigated the structure of a charge-balanced polyampholyte, poly(4-vinylbenzenesulfonate-co-[3-(methacryloylamino) propyl] trimethylammonium chloride). From as-prepared samples, nanoscale globules were visualized in polyampholyte hydrogels for the first time. The impact of dialyses processes on polymer structures were also studied. In deionized water, salt ions are leached out, thus polymer chains undergo zipping process to form cellular structure with micrometer-thick polymer walls that allow mechanical toughness to the hydrogel. Samples dialyzed in 6 M potassium hydroxide solution did not show such cellular structure, as in the case of as-prepared samples.

Authors:
; ; ; ; ;
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
Natural Sciences and Engineering Research Council of Canada (NSERC); USDOE Office of Science - Office of Basic Energy Sciences - Scientific User Facilities Division
OSTI Identifier:
1593120
DOE Contract Number:  
AC02-06CH11357
Resource Type:
Journal Article
Journal Name:
MRS Communications
Additional Journal Information:
Journal Volume: 8; Journal Issue: 3
Country of Publication:
United States
Language:
English

Citation Formats

Li, Xinda, Charaya, Hemant, Tran, Thuy Nguyen Thanh, Lee, Byeongdu, cho, Jae-young, and Chung, Hyun-Joong. Direct Visualization of Nano and Microscale Polymer Morphologies in As-Prepared and Dialyzed Polyampholyte Hydrogels by Electron Microscopy Techniques. United States: N. p., 2018. Web. doi:10.1557/mrc.2018.149.
Li, Xinda, Charaya, Hemant, Tran, Thuy Nguyen Thanh, Lee, Byeongdu, cho, Jae-young, & Chung, Hyun-Joong. Direct Visualization of Nano and Microscale Polymer Morphologies in As-Prepared and Dialyzed Polyampholyte Hydrogels by Electron Microscopy Techniques. United States. doi:10.1557/mrc.2018.149.
Li, Xinda, Charaya, Hemant, Tran, Thuy Nguyen Thanh, Lee, Byeongdu, cho, Jae-young, and Chung, Hyun-Joong. Sat . "Direct Visualization of Nano and Microscale Polymer Morphologies in As-Prepared and Dialyzed Polyampholyte Hydrogels by Electron Microscopy Techniques". United States. doi:10.1557/mrc.2018.149.
@article{osti_1593120,
title = {Direct Visualization of Nano and Microscale Polymer Morphologies in As-Prepared and Dialyzed Polyampholyte Hydrogels by Electron Microscopy Techniques},
author = {Li, Xinda and Charaya, Hemant and Tran, Thuy Nguyen Thanh and Lee, Byeongdu and cho, Jae-young and Chung, Hyun-Joong},
abstractNote = {The structure of polymer networks in hydrogels determines the properties. In this study, we investigated the structure of a charge-balanced polyampholyte, poly(4-vinylbenzenesulfonate-co-[3-(methacryloylamino) propyl] trimethylammonium chloride). From as-prepared samples, nanoscale globules were visualized in polyampholyte hydrogels for the first time. The impact of dialyses processes on polymer structures were also studied. In deionized water, salt ions are leached out, thus polymer chains undergo zipping process to form cellular structure with micrometer-thick polymer walls that allow mechanical toughness to the hydrogel. Samples dialyzed in 6 M potassium hydroxide solution did not show such cellular structure, as in the case of as-prepared samples.},
doi = {10.1557/mrc.2018.149},
journal = {MRS Communications},
number = 3,
volume = 8,
place = {United States},
year = {2018},
month = {9}
}

Works referenced in this record:

Highly stretchable and tough hydrogels
journal, September 2012

  • Sun, Jeong-Yun; Zhao, Xuanhe; Illeperuma, Widusha R. K.
  • Nature, Vol. 489, Issue 7414
  • DOI: 10.1038/nature11409

Low-Temperature Ionic Conductivity Enhanced by Disrupted Ice Formation in Polyampholyte Hydrogels
journal, March 2018


Swelling, Structure, and Elasticity of Polyampholyte Hydrogels †
journal, June 1999

  • Nisato, G.; Munch, J. P.; Candau, S. J.
  • Langmuir, Vol. 15, Issue 12
  • DOI: 10.1021/la981027n

Highly Flexible, Multipixelated Thermosensitive Smart Windows Made of Tough Hydrogels
journal, September 2017

  • La, Thanh-Giang; Li, Xinda; Kumar, Amit
  • ACS Applied Materials & Interfaces, Vol. 9, Issue 38
  • DOI: 10.1021/acsami.7b08907

How to manipulate the upper critical solution temperature (UCST)?
journal, January 2017

  • Niskanen, Jukka; Tenhu, Heikki
  • Polymer Chemistry, Vol. 8, Issue 1
  • DOI: 10.1039/C6PY01612J

Strategies To Increase the Thermal Stability of Truly Biomimetic Hydrogels: Combining Hydrophobicity and Directed Hydrogen Bonding
journal, November 2017


Self-Healing Behaviors of Tough Polyampholyte Hydrogels
journal, May 2016


Extracellular-matrix tethering regulates stem-cell fate
journal, May 2012

  • Trappmann, Britta; Gautrot, Julien E.; Connelly, John T.
  • Nature Materials, Vol. 11, Issue 7
  • DOI: 10.1038/nmat3339

Structure and polymer dynamics within PNIPAM-based microgel particles
journal, March 2014

  • Sierra-Martin, Benjamin; Retama, Jorge Rubio; Laurenti, Marco
  • Advances in Colloid and Interface Science, Vol. 205
  • DOI: 10.1016/j.cis.2013.11.001

Polyampholytes
journal, January 2004

  • Dobrynin, Andrey V.; Colby, Ralph H.; Rubinstein, Michael
  • Journal of Polymer Science Part B: Polymer Physics, Vol. 42, Issue 19
  • DOI: 10.1002/polb.20207

Structure-mechanical property relationship of tough hydrogels
journal, January 2012


Polyvinylidene fluoride molecules in nanofibers, imaged at atomic scale by aberration corrected electron microscopy
journal, January 2016

  • Lolla, Dinesh; Gorse, Joseph; Kisielowski, Christian
  • Nanoscale, Vol. 8, Issue 1
  • DOI: 10.1039/C5NR01619C

Temperature-responsive nanogel multilayers of poly(N-vinylcaprolactam) for topical drug delivery
journal, November 2017

  • Zavgorodnya, Oleksandra; Carmona-Moran, Carlos A.; Kozlovskaya, Veronika
  • Journal of Colloid and Interface Science, Vol. 506
  • DOI: 10.1016/j.jcis.2017.07.084

Small Angle Neutron Scattering Study of Complex Coacervate Micelles and Hydrogels Formed from Ionic Diblock and Triblock Copolymers
journal, October 2014

  • Krogstad, Daniel V.; Choi, Soo-Hyung; Lynd, Nathaniel A.
  • The Journal of Physical Chemistry B, Vol. 118, Issue 45
  • DOI: 10.1021/jp509175a

Design of Cluster-free Polymer Electrolyte Membranes and Implications on Proton Conductivity
journal, September 2012

  • Beers, Keith M.; Balsara, Nitash P.
  • ACS Macro Letters, Vol. 1, Issue 10
  • DOI: 10.1021/mz300389f

Self-Regulated Structures in Nanocomposites by Directed Nanoparticle Assembly
journal, October 2005

  • Chung, Hyun-joong; Ohno, Kohji; Fukuda, Takeshi
  • Nano Letters, Vol. 5, Issue 10
  • DOI: 10.1021/nl051079e

Three-Dimensional Visualization and Characterization of Polymeric Self-Assemblies by Transmission Electron Microtomography
journal, May 2017


Theory of polyzwitterion conformations
journal, January 2009

  • Kumar, Rajeev; Fredrickson, Glenn H.
  • The Journal of Chemical Physics, Vol. 131, Issue 10
  • DOI: 10.1063/1.3216107

The morphology in nafion perfluorinated membrane products, as determined by wide- and small-angle x-ray studies
journal, November 1981

  • Gierke, T. D.; Munn, G. E.; Wilson, F. C.
  • Journal of Polymer Science: Polymer Physics Edition, Vol. 19, Issue 11
  • DOI: 10.1002/pol.1981.180191103

A model for the structure of ionomers
journal, January 1974

  • Macknight, W. J.; Taggart, W. P.; Stein, R. S.
  • Journal of Polymer Science: Polymer Symposia, Vol. 45, Issue 1
  • DOI: 10.1002/polc.5070450110

Tunable, High Modulus Hydrogels Driven by Ionic Coacervation
journal, April 2011

  • Hunt, Jasmine N.; Feldman, Kathleen E.; Lynd, Nathaniel A.
  • Advanced Materials, Vol. 23, Issue 20
  • DOI: 10.1002/adma.201004230

Radiation damage and electron microscopy of organic polymers
journal, October 1974


Radiation damage in the TEM and SEM
journal, August 2004


Physical hydrogels composed of polyampholytes demonstrate high toughness and viscoelasticity
journal, July 2013

  • Sun, Tao Lin; Kurokawa, Takayuki; Kuroda, Shinya
  • Nature Materials, Vol. 12, Issue 10
  • DOI: 10.1038/nmat3713

A phase diagram of neutral polyampholyte – from solution to tough hydrogel
journal, January 2013

  • Ihsan, Abu Bin; Sun, Tao Lin; Kuroda, Shinya
  • Journal of Materials Chemistry B, Vol. 1, Issue 36
  • DOI: 10.1039/c3tb20790k

Neurofilament sidearms modulate parallel and crossed-filament orientations inducing nematic to isotropic and re-entrant birefringent hydrogels
journal, July 2013

  • Deek, Joanna; Chung, Peter J.; Kayser, Jona
  • Nature Communications, Vol. 4, Issue 1
  • DOI: 10.1038/ncomms3224