Effect of network connectivity on the mechanical and transport properties of block copolymer gels

Rankin, Lucas A.; Lee, Byeongdu; Mineart, Kenneth P.

doi:10.1002/pol.20200695

Title: Effect of network connectivity on the mechanical and transport properties of block copolymer gels

Abstract

Abstract Establishing the independent tunability of transport and mechanical properties in polymer gels would significantly contribute to their implementation as transdermal drug delivery media, among other things. The work conducted herein uses facile changes in the formulation of physically crosslinked styrenic ABA/AB block copolymer organogels to alter their mechanical properties independently from the mass transport of an internally‐loaded nanocarrier. Such independent tunability is made possible by altering the relative amounts of ABA triblock and AB diblock copolymers while holding total copolymer concentration fixed. Specifically, three series of gels each with a fixed total copolymer concentration (10, 20, or 30 wt%) comprised of varying triblock copolymer concentration are studied. Small angle x‐ray scattering confirms that, at the nanoscale, only gel network connectivity changes within each series, while mechanical and release experiments show that increasing network connectivity leads to significant growth of gel moduli, but little change in nanocarrier release rate.

Authors:

Rankin, Lucas A. ^[1];

^[2];

^[1]

Bucknell Univ., Lewisburg, PA (United States)
Argonne National Lab. (ANL), Lemont, IL (United States)

Publication Date:: Fri Nov 20 00:00:00 EST 2020

Research Org.:: Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF)

OSTI Identifier:: 1788379

Alternate Identifier(s):: OSTI ID: 1786534

Grant/Contract Number:: AC02-06CH11357; 1904047; 1828082

Resource Type:: Accepted Manuscript

Journal Name:: Journal of Polymer Science

Additional Journal Information:: Journal Volume: 59; Journal Issue: 1; Journal ID: ISSN 2642-4150

Publisher:: Wiley

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; block copolymers; controlled release; gel mechanics; organogels

Citation Formats


                    Rankin, Lucas A., Lee, Byeongdu, and Mineart, Kenneth P. Effect of network connectivity on the mechanical and transport properties of block copolymer gels.  United States: N. p., 2020. 
Web.  doi:10.1002/pol.20200695.

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                    Rankin, Lucas A., Lee, Byeongdu, & Mineart, Kenneth P. Effect of network connectivity on the mechanical and transport properties of block copolymer gels.  United States.  https://doi.org/10.1002/pol.20200695

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                    Rankin, Lucas A., Lee, Byeongdu, and Mineart, Kenneth P. Fri .  
"Effect of network connectivity on the mechanical and transport properties of block copolymer gels".  United States.  https://doi.org/10.1002/pol.20200695.  https://www.osti.gov/servlets/purl/1788379.

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@article{osti_1788379,

  title        = {Effect of network connectivity on the mechanical and transport properties of block copolymer gels},

  author       = {Rankin, Lucas A. and Lee, Byeongdu and Mineart, Kenneth P.},

  abstractNote = {Abstract Establishing the independent tunability of transport and mechanical properties in polymer gels would significantly contribute to their implementation as transdermal drug delivery media, among other things. The work conducted herein uses facile changes in the formulation of physically crosslinked styrenic ABA/AB block copolymer organogels to alter their mechanical properties independently from the mass transport of an internally‐loaded nanocarrier. Such independent tunability is made possible by altering the relative amounts of ABA triblock and AB diblock copolymers while holding total copolymer concentration fixed. Specifically, three series of gels each with a fixed total copolymer concentration (10, 20, or 30 wt%) comprised of varying triblock copolymer concentration are studied. Small angle x‐ray scattering confirms that, at the nanoscale, only gel network connectivity changes within each series, while mechanical and release experiments show that increasing network connectivity leads to significant growth of gel moduli, but little change in nanocarrier release rate.},

  doi          = {10.1002/pol.20200695},

  journal      = {Journal of Polymer Science},

  number       = 1,

  volume       = 59,

  place        = {United States},

  year         = {Fri Nov 20 00:00:00 EST 2020},

  month        = {Fri Nov 20 00:00:00 EST 2020}

}

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Title: Effect of network connectivity on the mechanical and transport properties of block copolymer gels

Abstract

Citation Formats

Microphase-Separated Morphologies and Molecular Network Topologies in Multiblock Copolymer Gels journal, July 2018

50th Anniversary Perspective : Block Polymers—Pure Potential journal, December 2016

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Diffusion in Lamellae, Cylinders, and Double Gyroid Block Copolymer Nanostructures journal, August 2018

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A Fourier transform infrared spectroscopy‐ based method for tracking diffusion in organogels journal, May 2020

Structure of AOT reverse micelles under shear journal, August 2005

Diffusion Coefficients in Polymer-Solvent Systems for Highly Concentrated Polymer Solutions journal, December 2001

Concentration Dependence of Loop Fraction in Styrene−Isoprene−Styrene Triblock Copolymer Solutions and Corresponding Changes in Equilibrium Elasticity journal, April 2000

SEBS block copolymers as novel materials to design transdermal patches journal, February 2020

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Phase behavior and viscoelastic properties of entangled block copolymer gels journal, January 2001

Triblock Copolymer Organogels as High-Performance Dielectric Elastomers journal, August 2008

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Highly distensible nanostructured elastic hydrogels from AB diblock and ABA triblock copolymer melt blends journal, January 2010

Nanostructure-Driven Replication of Soft Tissue Biomechanics in a Thermoplastic Elastomer Hydrogel journal, September 2018

Computational and experimental investigation of morphology in thermoplastic elastomer gels composed of AB/ABA blends in B-selective solvent journal, January 2011

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Particle Diffusion in Globular Protein Gels in Relation to the Gel Structure journal, February 2011

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Looped Structure of Flowerlike Micelles Revealed by 1 H NMR Relaxometry and Light Scattering journal, August 2011

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Hydrogels in drug delivery: Progress and challenges journal, April 2008

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Microphase-Separated Morphologies and Molecular Network Topologies in Multiblock Copolymer Gels
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Diffusion in Lamellae, Cylinders, and Double Gyroid Block Copolymer Nanostructures
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Effect of the Presence of Diblock Copolymer on the Nonlinear Elastic and Viscoelastic Properties of Elastomeric Triblock Copolymers
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Lipase Is Essential for the Study of in Vitro Release Kinetics from Organogels
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A Solvent-Vapor Approach toward the Control of Block Ionomer Morphologies
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Physical, Chemical, and Chemical−Physical Double Network of Zwitterionic Hydrogels
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Modeling viscoelastic properties of triblock copolymers: A DPD simulation study
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A Fourier transform infrared spectroscopy‐ based method for tracking diffusion in organogels
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Structure of AOT reverse micelles under shear
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Concentration Dependence of Loop Fraction in Styrene−Isoprene−Styrene Triblock Copolymer Solutions and Corresponding Changes in Equilibrium Elasticity
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Self-Consistent Field Theory of Gelation in Triblock Copolymer Solutions
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Phase behavior and viscoelastic properties of entangled block copolymer gels
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Triblock Copolymer Organogels as High-Performance Dielectric Elastomers
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Star Polymer Gels with Fluorinated Microgels via Star–Star Coupling and Cross-Linking for Water Purification
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Micelle formation of BAB triblock copolymers in solvents that preferentially dissolve the A block
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Dual Physically Cross-Linked Hydrogels with High Stretchability, Toughness, and Good Self-Recoverability
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