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

Title: Dynamics of Shape-Persistent Giant Molecules: Zimm-like Melt, Elastic Plateau, and Cooperative Glass-like

Journal Article · · Macromolecules

Giant molecules are a new class of soft matter having threedimensional (3D) shapes and composed of chemically linked rigid molecular nanoparticles. Structurally, a 3D cluster of molecular nanoparticles can be one giant molecule or a few giant molecules associated together via specific interactions. The dynamics of clusters that are smaller than a critical diameter (~5 nm) presents a power law relaxation exponent of 0.7 at the high frequency region corresponding to segmental dynamics. Such scaling is similar to the result of the Zimm model although those clusters are neither chain-like nor in solution. Clusters that are larger than this critical diameter and formed by the association of giant molecules exhibit an elastic plateau due to caging of individual giant molecules. Herein, we hypothesize that clusters of such a large size cannot move as a whole, even above the glass transition temperature of the sample. They thus are “cooperative glass-like”. A structural cluster of giant molecules could be abstracted as a dynamical cluster consisting of unlinked but cooperatively mobile beads. As derived in the random first-order transition theory, the cluster loses its mobility and reaches the glassy state when the diameter of the cluster is 6 times larger than the bead diameter. In our cases, we estimate that the critical diameter for these clusters is also approximately 6 times the bead diameter based on the glassy shear modulus of giant molecules. Thus, shape-persistent giant molecules may serve as a bridge between polymers and colloids and a platform to mimic cooperative rearrangements.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Sponsoring Organization:
National Science Foundation (NSF); USDOE Office of Science (SC)
OSTI ID:
1406629
Journal Information:
Macromolecules, Vol. 50, Issue 17; ISSN 0024-9297
Publisher:
American Chemical SocietyCopyright Statement
Country of Publication:
United States
Language:
ENGLISH
Citation Metrics:
Cited by: 31 works
Citation information provided by
Web of Science

References (105)

Reptation of a Polymer Chain in the Presence of Fixed Obstacles journal July 1971
Nonadditivity of nanoparticle interactions journal October 2015
Linear Viscoelasticity of Colloidal Hard Sphere Suspensions near the Glass Transition journal October 1995
Three-Dimensional Direct Imaging of Structural Relaxation Near the Colloidal Glass Transition journal January 2000
Relationships between the single particle barrier hopping theory and thermodynamic, disordered media, elastic, and jamming models of glassy systems journal October 2007
Soft colloids make strong glasses journal November 2009
Viscoelastic properties of 32-arm star polybutadienes journal October 1991
Structure and Dynamics of Melts of Multiarm Polymer Stars journal December 1998
Rheology of Dendrimers. 2. Bulk Polyamidoamine Dendrimers under Steady Shear, Creep, and Dynamic Oscillatory Shear journal April 2000
Multiarm star polymers dynamics journal September 2001
Influence of End Groups on Dendrimer Rheology and Conformation journal June 2003
Melt Rheology of Dendritically Branched Polystyrenes journal January 2003
Viscoelastic Relaxation and Molecular Mobility of Hyperbranched Poly( ε -caprolactone)s in Their Melt State journal March 2005
Synthesis, Characterization, and Viscoelastic Properties of High Molecular Weight Hyperbranched Polyglycerols journal October 2006
Melt rheology of star polymers with large number of small arms, prepared by crosslinking poly(n-butyl acrylate) macromonomers via ATRP journal April 2011
Effects of Core Microstructure on Structure and Dynamics of Star Polymer Melts: From Polymeric to Colloidal Response journal July 2014
Controlling the dynamics of soft spheres: From polymeric to colloidal behavior journal May 1998
Dynamics of Star-Shaped Polystyrene Molecules: From Arm Retraction to Cooperativity journal July 2016
Relaxation and viscoelastic properties of complex polymer systems journal January 1996
Structure of Solvent-Free Nanoparticle−Organic Hybrid Materials journal November 2010
The Ages in a Self-Suspended Nanoparticle Liquid journal January 2010
Strain-accelerated dynamics of soft colloidal glasses journal April 2011
Dynamics and Rheology of Soft Colloidal Glasses journal January 2015
Hyperdiffusive Dynamics in Newtonian Nanoparticle Fluids journal September 2015
Molecular Origins of Temperature-Induced Jamming in Self-Suspended Hairy Nanoparticles journal November 2016
Structure of Polymer Tethered Highly Grafted Nanoparticles journal October 2011
Role of Filler Shape and Connectivity on the Viscoelastic Behavior in Polymer Nanocomposites journal July 2015
Mechanical Reinforcement in Polymer Melts Filled with Polymer Grafted Nanoparticles journal September 2011
Network dynamics in nanofilled polymers journal April 2016
Structure and Dynamics of Polymer Nanocomposites Involving Chain-Grafted Spherical Nanoparticles book November 2011
Nanocomposites with Polymer Grafted Nanoparticles journal April 2013
Steady-shear rheology of block copolymer melts and concentrated solutions: Defect-mediated flow at low stresses in body-centered-cubic systems journal January 2002
Steady-Shear Rheology of Block Copolymer Melts and Concentrated Solutions:  Disordering Stress in Body-Centered-Cubic Systems journal February 2002
Rheology and the Microphase Separation Transition in Styrene-Isoprene Block Copolymers journal October 1994
Viscoelastic behavior of cubic phases in block copolymer melts journal January 1999
Rheology of Small Spherical Polystyrene Microgels: A Direct Proof for a New Transport Mechanism in Bulk Polymers besides Reptation journal June 1995
Molecular architecture and rheological characterization of novel intramolecularly crosslinked polystyrene nanoparticles journal January 2006
Giant surfactants provide a versatile platform for sub-10-nm nanostructure engineering journal May 2013
Molecular Nanoparticles Are Unique Elements for Macromolecular Science: From “Nanoatoms” to Giant Molecules journal January 2014
T 10 Polyhedral Oligomeric Silsesquioxane-Based Shape Amphiphiles with Diverse Head Functionalities via “Click” Chemistry journal August 2014
Selective assemblies of giant tetrahedra via precisely controlled positional interactions journal April 2015
Geometry induced sequence of nanoscale Frank–Kasper and quasicrystal mesophases in giant surfactants journal November 2016
Hierarchical Self-Organization of AB n Dendron-like Molecules into a Supramolecular Lattice Sequence journal August 2017
Rheology of Soft Glassy Materials journal March 1997
Strain-Rate Frequency Superposition: A Rheological Probe of Structural Relaxation in Soft Materials journal June 2007
Length scale of dynamic heterogeneity in supercooled glycerol near Tg  journal May 2001
How do molecules move near T g ? Molecular rotation of six probes in o ‐terphenyl across 14 decades in time journal January 1995
Relaxation of spatially heterogeneous dynamic domains in supercooled ortho‐terphenyl journal October 1995
Length Scale of Dynamic Heterogeneities at the Glass Transition Determined by Multidimensional Nuclear Magnetic Resonance journal September 1998
Comparative study of the NMR length scale of dynamic heterogeneities of three different glass formers journal September 2002
Direct observation of molecular cooperativity near the glass transition journal December 2000
On the strength of glasses journal September 2012
Direct Experimental Evidence of a Growing Length Scale Accompanying the Glass Transition journal December 2005
Comment on the dynamic bead size and Kuhn segment length in polymers: Example of polystyrene journal January 2004
Size of the Dynamic Bead in Polymers journal November 2010
Theory of non-linear susceptibility and correlation length in glasses and liquids journal September 2002
Length Scale of Dynamic Heterogeneity in Supercooled d -Sorbitol:  Comparison to Model Predictions journal January 2003
Length Scale of Cooperativity in the Dynamic Glass Transition journal September 1997
S PATIALLY H ETEROGENEOUS D YNAMICS IN S UPERCOOLED L IQUIDS journal October 2000
The size of cooperatively rearranging regions at the glass transition journal December 1982
Supercooled Liquids and Glasses journal January 1996
Spatially heterogeneous dynamics in liquids: insights from simulation journal September 2000
On the Temperature Dependence of Cooperative Relaxation Properties in Glass‐Forming Liquids journal July 1965
Fragilities of liquids predicted from the random first order transition theory of glasses journal March 2000
Microscopic Theory of Heterogeneity and Nonexponential Relaxations in Supercooled Liquids journal June 2001
Barrier softening near the onset of nonactivated transport in supercooled liquids: Implications for establishing detailed connection between thermodynamic and kinetic anomalies in supercooled liquids journal November 2003
Free‐Volume Model of the Amorphous Phase: Glass Transition journal January 1961
On the Free‐Volume Model of the Liquid‐Glass Transition journal March 1970
Relaxation processes in supercooled liquids journal March 1992
Viscoelastic behavior of concentrated spherical suspensions journal May 1994
Direct comparison of the rheology of model hard and soft particle glasses journal January 2012
Sphericity and symmetry breaking in the formation of Frank–Kasper phases from one component materials journal November 2014
Locally Weighted Regression: An Approach to Regression Analysis by Local Fitting journal September 1988
The Structure of Adsorbed Species on Immobilized Amines in CO 2 Capture: An in Situ IR Study journal August 2016
Ordering and viscoelastic relaxation in multiarm star polymer melts journal September 1997
Controlling the self-assembly and dynamic response of star polymers by selective telechelic functionalization journal July 1999
Thermal processing of diblock copolymer melts mimics metallurgy journal May 2017
Dynamics of Polymer Molecules in Dilute Solution: Viscoelasticity, Flow Birefringence and Dielectric Loss journal February 1956
A Theory of the Linear Viscoelastic Properties of Dilute Solutions of Coiling Polymers journal July 1953
Microscopic theory of the dynamics of polymeric liquids: General formulation of a mode–mode‐coupling approach journal November 1989
Mode-coupling approach to polymer diffusion in an unentangled melt. II. The effect of viscoelastic hydrodynamic interactions journal May 2012
Anomalous Diffusion of a Polymer Chain in an Unentangled Melt journal October 2011
Hydrodynamic and viscoelastic effects in polymer diffusion journal June 2012
The viscoelastic response of Brownian suspensions journal November 1999
Cage effect in the viscoelasticity of a suspension of hard spheres without hydrodynamic interaction journal April 2001
Large-amplitude jumps and non-Gaussian dynamics in highly concentrated hard sphere fluids journal May 2008
Rouse Dynamics of a Dendrimer Model in the ϑ Condition journal August 1997
Conformations and dynamics of dendrimers and cascade macromolecules journal January 1997
Intramolecular Dynamics of Dendrimers under Excluded-Volume Conditions journal May 2001
Dynamics of dendrimer-based polymer networks journal October 2003
Intramolecular relaxation dynamics in semiflexible dendrimers journal June 2011
Relaxation of a Single Dendrimer journal June 2013
Dynamics of internally functionalized dendrimers journal January 2016
The Rouse Dynamic Properties of Dendritic Chains: A Graph Theoretical Method journal May 2017
Linear viscoelasticity revisited: the relaxation function of monodisperse polymer melts journal December 1993
Viscoelasticity of low molecular weight polymers and the transition to the entangled regime journal July 1998
Rheological models based on the double reptation mixing rule: The effects of a polydisperse environment journal July 2000
Direct Rheological Evidence of Monomer Density Reequilibration for Entangled Polymer Melts journal April 2007
Universal Relaxation Behavior of Entangled 1,4-Polybutadiene Melts in the Transition Frequency Region journal June 2015
INFRARED OBSERVATION OF THE O-H BAND OF PURE ETHANOL AND ETHANOL SOLUTIONS TO THE CRITICAL TEMPERATURE 1 journal December 1961
An investigation of the hydrogen bonding characteristics of butanediols journal July 1969
Evaluation of different methods for the determination of the plateau modulus and the entanglement molecular weight journal June 2006
Relaxation Processes in Supramolecular Metallogels Based on Histidine–Nickel Coordination Bonds journal November 2016
Polymethacrylates with Polyhedral Oligomeric Silsesquioxane (POSS) Moieties: Influence of Spacer Length on Packing, Thermodynamics, and Dynamics journal May 2015
Solvent-free, supersoft and superelastic bottlebrush melts and networks journal November 2015

Cited By (5)

The Microscopic Structure–Property Relationship of Metal–Organic Polyhedron Nanocomposites journal November 2019
Regioisomeric Tandem Triblock Shape Amphiphiles Based on Polyhedral Oligomeric Silsesquioxanes journal June 2018
The Microscopic Structure–Property Relationship of Metal–Organic Polyhedron Nanocomposites journal November 2019
A comparative study of thermodynamic, conformational, and structural properties of bottlebrush with star and ring polymer melts journal July 2018
A Critical Approach to Polymer Dynamics in Supramolecular Polymers journal December 2019

Similar Records

On Small-Angle Critical Scattering
Journal Article · Mon Jan 01 00:00:00 EST 1962 · Journal of Chemical Physics · OSTI ID:1406629

Sub-nanometer glass surface dynamics induced by illumination
Journal Article · Sun Jun 21 00:00:00 EDT 2015 · Journal of Chemical Physics · OSTI ID:1406629

Simulation Analysis of the Temperature Dependence of Lignin Structure and Dynamics
Journal Article · Sat Jan 01 00:00:00 EST 2011 · Journal of the American Chemical Society · OSTI ID:1406629