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Carrick BR, Weigand S, Seitzinger CL, Lodge TP. Concentration and Temperature Dependence of the Interaction Parameter and Correlation Length for Poly(benzyl methacrylate) in Ionic Liquids. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c01365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Brian R. Carrick
- Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Steven Weigand
- Argonne National Laboratory, 9700 South Cass Avenue, Lemont, Illinois 60439, United States
| | - Claire L. Seitzinger
- Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Timothy P. Lodge
- Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, Minnesota 55455, United States
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2
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Mongcopa KIS, Poling-Skutvik R, Ashkar R, Butler P, Krishnamoorti R. Conformational change and suppression of the Θ-temperature for solutions of polymer-grafted nanoparticles. SOFT MATTER 2018; 14:6102-6108. [PMID: 29998246 DOI: 10.1039/c8sm00929e] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
We determine the conformational change of polystyrene chains grafted to silica nanoparticles dispersed in deuterated cyclohexane using small-angle neutron scattering. The cyclohexane/polystyrene system exhibits an upper-critical solution temperature below which the system phase separates. By grafting the polystyrene chains to a nano-sized spherical silica particle, we observe a significant suppression in the Θ-temperature, decreasing from ≈38 °C for free polystyrene chains in d12-cyclohexane to ≈34 °C for the polystyrene-grafted nanoparticles. Above this temperature, the grafted chains are swollen and extended from the particle surface, resulting in well-dispersed grafted nanoparticles. Below this temperature, the grafted chains fully expel the solvent and collapse on the particle surface, destabilizing the nanoparticle suspension and leading to aggregation. We attribute the suppression of the Θ-temperature to a competition between entropic and enthalpic energies arising from the structure of the polymer-grafted nanoparticle in which the enthalpic terms appear to dominate.
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Affiliation(s)
- Zhen-Gang Wang
- Division of Chemistry and
Chemical Engineering, California Institute of Technology, Pasadena, California 91125, United States
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Hu R, Wu DT, Wang D. Modeling intra- and intermolecular correlations for linear and branched polymers using a modified test-chain self-consistent field theory. Phys Rev E 2017; 95:042502. [PMID: 28505798 DOI: 10.1103/physreve.95.042502] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2016] [Indexed: 11/07/2022]
Abstract
A modified test-chain self-consistent field theory (SCFT) is presented to study the intra- and intermolecular correlations of linear and branched polymers in various solutions and melts. The key to the test-chain SCFT is to break the the translational symmetry by fixing a monomer at the origin of a coordinate. This theory successfully describes the crossover from self-avoiding walk at short distances to screened random walk at long distances in a semidilute solution or melt. The calculations indicated that branching enhances the swelling of polymers in melts and influences stretching at short distances. The test-chain SCFT calculations show good agreement with experiments and classic polymer theories. We highlight that the theory presented here provides a solution to interpret the polymer conformation and behavior under various conditions within the framework of one theory.
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Affiliation(s)
- Renfeng Hu
- Department of Chemical and Biological Engineering and Department of Chemistry, Colorado School of Mines, Golden, Colorado 80401, USA
| | - David T Wu
- Department of Chemical and Biological Engineering and Department of Chemistry, Colorado School of Mines, Golden, Colorado 80401, USA
| | - Dapeng Wang
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, People's Republic of China
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5
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Gupta S, Biehl R, Sill C, Allgaier J, Sharp M, Ohl M, Richter D. Protein Entrapment in Polymeric Mesh: Diffusion in Crowded Environment with Fast Process on Short Scales. Macromolecules 2016. [DOI: 10.1021/acs.macromol.5b02281] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Sudipta Gupta
- Juelich Centre
for Neutron Science (JCNS), outstation at SNS, PO Box
2008, 1 Bethel Valley Road, Oak Ridge, Tennessee 37831, United States
- Biology
and Soft Matter Division, Neutron Sciences Directorate, Oak Ridge National Laboratory (ORNL), PO Box 2008, 1 Bethel Valley Road, Oak Ridge, Tennessee 37831, United States
| | - Ralf Biehl
- Juelich Centre for
Neutron Science (JCNS) and Institute for Complex Systems (ICS), Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
| | - Clemens Sill
- Juelich Centre for
Neutron Science (JCNS) and Institute for Complex Systems (ICS), Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
| | - Jürgen Allgaier
- Juelich Centre for
Neutron Science (JCNS) and Institute for Complex Systems (ICS), Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
| | - Melissa Sharp
- Institute Laue-Langevin
(ILL), 71 rue des Martyrs, 38042 Grenoble, Cedex 9, France
- European Spallation
Source (ESS), PO Box 176, SE-221 00 Lund, Sweden
| | - Michael Ohl
- Juelich Centre
for Neutron Science (JCNS), outstation at SNS, PO Box
2008, 1 Bethel Valley Road, Oak Ridge, Tennessee 37831, United States
- Biology
and Soft Matter Division, Neutron Sciences Directorate, Oak Ridge National Laboratory (ORNL), PO Box 2008, 1 Bethel Valley Road, Oak Ridge, Tennessee 37831, United States
| | - Dieter Richter
- Juelich Centre for
Neutron Science (JCNS) and Institute for Complex Systems (ICS), Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
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6
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Nepal M, Oyler-Yaniv A, Krichevsky O. Scanning fluorescence correlation spectroscopy as a versatile tool to measure static and dynamic properties of soft matter systems. SOFT MATTER 2015; 11:8939-8947. [PMID: 26406382 DOI: 10.1039/c5sm01582k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
We present the formalism and experimental implementation of scanning fluorescence correlation spectroscopy (SFCS) for the measurements of soft matter system structure and dynamics. We relate the SFCS function Fourier transform to the system intermediate scattering function and demonstrate how SFCS can be combined with specific labelling to measure the desired statistical and kinetic features of the system. Using DNA as a model polymer, we demonstrate the application of SFCS to measure (1) the static structure factor of the system, (2) polymer end-to-end distance distribution, and (3) polymer segmental dynamics in dilute and in dense solutions. The measured DNA end-to-end distance distributions are close to Gaussian. Implementing SFCS we obtain reliable data on segmental mean-square displacement kinetics in dense solutions, where the static FCS approach fails because of dye photobleaching. For moderate concentrations in the semidilute regime (at ∼7 overlap concentrations) segmental dynamics exhibit only weak entanglements. Both of these experimental findings are consistent with theoretical predictions of the weakness of excluded interactions in semiflexible polymers.
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Affiliation(s)
- Manish Nepal
- Physics Department, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel.
| | - Alon Oyler-Yaniv
- Physics Department, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel.
| | - Oleg Krichevsky
- Physics Department, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel. and Ilse Kats Centre for Nanoscience, Ben-Gurion University, Beer-Sheva 84105, Israel
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7
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Foteinopoulou K, Karayiannis NC, Laso M. Monte Carlo simulations of densely-packed athermal polymers in the bulk and under confinement. Chem Eng Sci 2015. [DOI: 10.1016/j.ces.2014.08.021] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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8
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Kounovsky-Shafer KL, Hernández-Ortiz JP, Jo K, Odijk T, de Pablo JJ, Schwartz DC. Presentation of large DNA molecules for analysis as nanoconfined dumbbells. Macromolecules 2013; 46:8356-8368. [PMID: 24683272 PMCID: PMC3964590 DOI: 10.1021/ma400926h] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The analysis of very large DNA molecules intrinsically supports long-range, phased sequence information, but requires new approaches for their effective presentation as part of any genome analysis platform. Using a multi-pronged approach that marshaled molecular confinement, ionic environment, and DNA elastic properties-but tressed by molecular simulations-we have developed an efficient and scalable approach for presentation of large DNA molecules within nanoscale slits. Our approach relies on the formation of DNA dumbbells, where large segments of the molecules remain outside the nanoslits used to confine them. The low ionic environment, synergizing other features of our approach, enables DNA molecules to adopt a fully stretched conformation, comparable to the contour length, thereby facilitating analysis by optical microscopy. Accordingly, a molecular model is proposed to describe the conformation and dynamics of the DNA molecules within the nanoslits; a Langevin description of the polymer dynamics is adopted in which hydrodynamic effects are included through a Green's function formalism. Our simulations reveal that a delicate balance between electrostatic and hydrodynamic interactions is responsible for the observed molecular conformations. We demonstrate and further confirm that the "Odijk regime" does indeed start when the confinement dimensions size are of the same order of magnitude as the persistence length of the molecule. We also summarize current theories concerning dumbbell dynamics.
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Affiliation(s)
- Kristy L. Kounovsky-Shafer
- Laboratory for Molecular and Computational Genomics, Department of Chemistry, Laboratory of Genetics, and UW-Biotechnology Center, University of Wisconsin-Madison, Madison, WI 53706-1580
| | - Juan P. Hernández-Ortiz
- Departamento de Materiales, Universidad Nacional de Colombia, Sede Medellín, Kra 80 # 65-223
| | - Kyubong Jo
- Bloque M3-050, Medellín Colombia, Department of Chemistry, Sogang University, Seoul, Korea
| | - Theo Odijk
- Lorentz Institute for Theoretical Physics, University of Leiden, The Netherlands
| | - Juan J. de Pablo
- Institute for Molecular Engineering, University of Chicago, Chicago, IL 60637
| | - David C. Schwartz
- Laboratory for Molecular and Computational Genomics, Department of Chemistry, Laboratory of Genetics, and UW-Biotechnology Center, University of Wisconsin-Madison, Madison, WI 53706-1580
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9
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Hsu HP, Paul W, Binder K. Scattering function of semiflexible polymer chains under good solvent conditions. J Chem Phys 2013; 137:174902. [PMID: 23145745 DOI: 10.1063/1.4764300] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Using the pruned-enriched Rosenbluth Monte Carlo algorithm, the scattering functions of semiflexible macromolecules in dilute solution under good solvent conditions are estimated both in d = 2 and d = 3 dimensions, considering also the effect of stretching forces. Using self-avoiding walks of up to N = 25,600 steps on the square and simple cubic lattices, variable chain stiffness is modeled by introducing an energy penalty ε(b) for chain bending; varying q(b) = exp (-ε(b)∕k(B)T) from q(b) = 1 (completely flexible chains) to q(b) = 0.005, the persistence length can be varied over two orders of magnitude. For unstretched semiflexible chains, we test the applicability of the Kratky-Porod worm-like chain model to describe the scattering function and discuss methods for extracting persistence length estimates from scattering. While in d = 2 the direct crossover from rod-like chains to self-avoiding walks invalidates the Kratky-Porod description, it holds in d = 3 for stiff chains if the number of Kuhn segments n(K) does not exceed a limiting value n(K)(*) (which depends on the persistence length). For stretched chains, the Pincus blob size enters as a further characteristic length scale. The anisotropy of the scattering is well described by the modified Debye function, if the actual observed chain extension <X> (end-to-end distance in the direction of the force) as well as the corresponding longitudinal and transverse linear dimensions <X(2)> - <X>(2), <R(g,⊥)(2)> are used.
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Affiliation(s)
- Hsiao-Ping Hsu
- Institut für Physik, Johannes Gutenberg-Universität Mainz, Staudinger Weg 7, D-55099 Mainz, Germany.
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10
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Nepal M, Yaniv A, Shafran E, Krichevsky O. Structure of DNA coils in dilute and semidilute solutions. PHYSICAL REVIEW LETTERS 2013; 110:058102. [PMID: 23414049 DOI: 10.1103/physrevlett.110.058102] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2012] [Revised: 10/10/2012] [Indexed: 06/01/2023]
Abstract
We apply scanning fluorescence correlation spectroscopy to study the structure of individual DNA coils in dilute and semidilute solutions. In dilute solutions, over two decades in length, from 0.6 to 46 μm, DNA behave as ideal chains, in agreement with theoretical predictions and in disagreement with prior experiments. In semidilute solutions, up to very high densities, the structures of individual DNA coils are independent of concentration, unlike flexible coils that shrink with increasing density. Our experimental findings are consistent with the marginal solution theory of semiflexible polymers.
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Affiliation(s)
- Manish Nepal
- Physics Department, Ben-Gurion University, Beer-Sheva 84105, Israel
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11
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Essafi W, Abdelli A, Bouajila G, Boué F. Behavior of hydrophobic polyelectrolyte solution in mixed aqueous/organic solvents revealed by neutron scattering and viscosimetry. J Phys Chem B 2012; 116:13525-37. [PMID: 22998222 DOI: 10.1021/jp3085815] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We investigate in this paper the influence of the improvement of the solvent quality on the structure and the viscous properties of solutions of an hydrophobic polyelectrolyte, poly(styrene-co-sodium styrenesulfonate): PSS. The solvent used is a mixture of water and an organic solvent, THF, which is also slightly polar. We use small angle neutron scattering in the semidilute regime and viscosimetry as a function of concentration in dilute and semidilute unentangled regime. The structure, namely the scattering from all chains, is characterized by a maximum ("polyelectrolyte peak"). Its position and amplitude depends, at a given sulfonation rate of PSS, on the solvent quality through the added amount of organic solvent (THF). These evolutions with the THF amount are more pronounced when the sulfonation rate f is low (more hydrophobic polyelectrolyte) and the amount of added THF is high. Adding THF to hydrophobic PSS (f = 0.50 or f = 0.38), diminishes also the "shoulder" visible in the log I - log q plot and associated with the pearl size. It is therefore proposed that when THF is added to aqueous polyelectrolyte solutions, the pearls are dissolved and the chain conformation evolves from the pearl-necklace shape already reported in pure water toward the string-like conformation in pure water for fully sulfonated PSS. An addition of THF also reduces the important low q upturn found with hydrophobic polyelectrolyte solutions: the large aggregates are dissolved by THF. The upturn can become for PSSNa f = 0.38, after adding enough THF (50%), even smaller than that for the charged hydrophilic case PSSNa f = 0.82, in water. This can mean that in the quasi-fully charged PSS at f = 0.82 there are still hydrophobic effects in water, which is disagreeing with our recent reports, or that the electrostatics contribution to the upturn is reduced due to a lower dielectric permittivity. Concerning the hydrophilic polyelectrolyte, poly(sodium-2-acrylamido-2-methylpropanesulfonate)-co-(acrylamide): AMAMPS, no evolution in structure occurs until 25% THF. The viscosimetry variation with THF fraction is in good agreement with the scattering one up to 25%: though little dependent on THF for AMAMPS, and for hydrophilic PSSNa, it increases for hydrophobic PSSNa in agreement with the chain expansion signaled by scattering. At 50% THF concentration, the hydrophilic polyelectrolyte shows new surprising behaviors: the scattering of PSSNa is no longer characteristic of polyelectrolytes, and AMAMPS solutions display an unexpected viscosity decrease.
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Affiliation(s)
- Wafa Essafi
- Institut National de Recherche et d'Analyse Physico-Chimique, Pôle Technologique de Sidi Thabet, 2020 Sidi Thabet-Tunisie.
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D’Adamo G, Pelissetto A, Pierleoni C. Consistent and transferable coarse-grained model for semidilute polymer solutions in good solvent. J Chem Phys 2012; 137:024901. [DOI: 10.1063/1.4732851] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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13
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Privalko VP, Mudrak CV, Karpova IL, Korskanov VV, Shapoval RL, Usenko AA. Solution behavior of copoly(amide imide)s. Des Monomers Polym 2012. [DOI: 10.1163/156855500300160311] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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14
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Dondos A. Exploring the domain validity of the equations relating the intrinsic viscosity to the molecular weight by using the characteristic numbers of polymers. ACTA ACUST UNITED AC 2011. [DOI: 10.1002/masy.19920620113] [Citation(s) in RCA: 4] [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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15
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Peeters FAH, Smits HJE. Het verband tussen parameters voor verdunde en matig geconcentreerde oplossingen van macromoleculen. Toepassing op sedimentatiecoefficienten. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/bscb.19800891104] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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17
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Laso M, Karayiannis NC. Flexible chain molecules in the marginal and concentrated regimes: universal static scaling laws and cross-over predictions. J Chem Phys 2008; 128:174901. [PMID: 18465938 DOI: 10.1063/1.2912189] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
We present predictions for the static scaling exponents and for the cross-over polymer volumetric fractions in the marginal and concentrated solution regimes. Corrections for finite chain length are made. Predictions are based on an analysis of correlated fluctuations in density and chain length, in a semigrand ensemble in which mers and solvent sites exchange identities. Cross-over volumetric fractions are found to be chain length independent to first order, although reciprocal-N corrections are also estimated. Predicted scaling exponents and cross-over regimes are compared with available data from extensive off-lattice Monte Carlo simulations [Karayiannis and Laso, Phys. Rev. Lett. 100, 050602 (2008)] on freely jointed, hard-sphere chains of average lengths from N=12-500 and at packing densities from dilute ones up to the maximally random jammed state.
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Affiliation(s)
- Manuel Laso
- Institute for Optoelectronics and Microsystems (ISOM), UPM José Gutiérrez Abascal 2, E-28006 Madrid, Spain.
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18
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Neutron spin echo studies on the segmental dynamics of macromolecules. ACTA ACUST UNITED AC 2007. [DOI: 10.1007/bfb0107914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2023]
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20
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Affiliation(s)
- J. G. Curro
- a Sandia Laboratories Albuquerque , New Mexico, 87185
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Privalko VP, Sobolev VB, Rekhteta NA, Sichko VN. Structure-dependent magnetic susceptibility of sharp poly(ethylene oxide) fractions. J MACROMOL SCI B 2006. [DOI: 10.1080/00222349808212415] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Valery P. Privalko
- a Institute of Macromolecular Chemistry, National Academy of Sciences of Ukraine , 253160, Kyiv, Ukraine
- c Instituto de Estructura de la Materia, CSIC , Serrano 119, 28006, Madrid, Spain
| | - Victor B. Sobolev
- a Institute of Macromolecular Chemistry, National Academy of Sciences of Ukraine , 253160, Kyiv, Ukraine
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Milhaud J, Hantz E, Liquier J. Different properties of H2O- and D2O-containing phospholipid-based reverse micelles near a critical temperature. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2006; 22:6068-77. [PMID: 16800661 DOI: 10.1021/la060396d] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Dipalmitoylphosphatidylcholine (DPPC)/water/pyridine reverse micelles have been found to transform from a clear liquid into a glass when the DPPC-to-water volume fraction is in the 0.78-0.89 range at 28 or 26 degrees C depending on whether water is H2O or D2O. Their study by SANS, FT-IR, and 1H NMR for this composition has shown remarkable effects of the isotopic nature of water on their structural and dynamic properties. By SANS, between 38 and 43.5 degrees C, micelles appear as either flexible polymer-like cylinders or short rods depending on whether water is H2O or D2O. On the basis of this dual aspect, micelles have been visualized as branched cylinders whose quasi-spherical branching points would be prone to assemble into short rods. In addition, when water contains more than 40% of D2O, a Bragg reflection emerges at 0.12 A(-1) on SANS spectra, evidencing an organization of micelles. In addition, FT-IR spectra show that DPPC phosphate groups are D bonded only when water is D2O. Consequently, we assumed that forces prone to organize the D2O-containing micelles are D-bonded water bridges between neighboring micelles at the level of their branching points. In fact, ab initio calculations have shown that water dimers are more stable when the bridging atom is D rather than H. These water bridges could be formed due to the fact that branching points, able to slide along micelles, keep close for a longer time when water is D2O than when it is H2O. Indeed, it has been shown experimentally that the lateral diffusion of phospholipid molecules in any layer is slower in the first case. Formation of such bridges triggers a deuteron migration between micelles evidenced by the 1/T1 relaxation rate of deuterons of water in D2O-containing micelles measured at 43 degrees C by 1H NMR.
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Affiliation(s)
- Jeannine Milhaud
- Laboratoire de Biophysique Moléculaire, Cellulaire et Tissulaire (BIOMOCETI), Unité mixte 7033 CNRS-Université Paris VI, 4 Place Jussieu, 75252 Paris Cedex 05, France.
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Studies on Equation-of-State Parameters and Linear Polymer Dimensions of Poly(p-chlorostyrene) in Diethylene Glycol Monobutyl Ether by Intrinsic Viscosity Measurements. MONATSHEFTE FUR CHEMIE 2006. [DOI: 10.1007/s00706-006-0498-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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24
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Uematsu T, Svanberg C, Nydén M, Jacobsson P. Power laws in polymer solution dynamics. PHYSICAL REVIEW. E, STATISTICAL, NONLINEAR, AND SOFT MATTER PHYSICS 2003; 68:051803. [PMID: 14682813 DOI: 10.1103/physreve.68.051803] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2003] [Indexed: 05/24/2023]
Abstract
The dynamical screening length xi(h) in semidilute to highly concentrated polymer solutions of poly(methyl methacrylate) in propylene carbonate has been examined using photon correlation spectroscopy and pulsed field gradient nuclear magnetic resonance. A crossover between different concentration dependent regimes, xi(h) approximately phi(-alpha), where alpha is found to be approximately 0.5, approximately 1, and approximately 2, is observed when the local viscosity is taken into account. Here phi is the volume fraction of polymer in the solution. Well-defined crossovers between alpha=0.5 and alpha=1 corresponding to a transition from a marginal solvent to a theta solvent behavior have been predicted to occur due to the reduction of excluded-volume effects between the spatially correlated polymer segments with increasing polymer volume fraction. However, a clear experimental validation of the crossover has never been presented before. The third regime (alpha approximately 2) is observed in the highly concentrated region where the static screening length is comparable to the persistence length of the polymer. The observation indicates that the rigid rod model previously used to describe concentrated solutions is an oversimplification valid only in the very high concentration limit. The obtained results at high concentrations are discussed in the frame of a simple physical model where segments at the persistence length scale are treated as flexible rodlike segments.
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Affiliation(s)
- T Uematsu
- Department of Applied Physics, Chalmers University of Technology, SE-412 96 Göteborg, Sweden.
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25
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Universal behavior of flexible and wormlike polymers using relations derived from the blob theory and the statistical mechanical theory. Eur Polym J 2002. [DOI: 10.1016/s0014-3057(02)00011-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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26
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Jendrejack RM, de Pablo JJ, Graham MD. Stochastic simulations of DNA in flow: Dynamics and the effects of hydrodynamic interactions. J Chem Phys 2002. [DOI: 10.1063/1.1466831] [Citation(s) in RCA: 243] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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27
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Mika AM, Childs RF. Calculation of the Hydrodynamic Permeability of Gels and Gel-Filled Microporous Membranes. Ind Eng Chem Res 2001. [DOI: 10.1021/ie000794q] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Alicja M. Mika
- Department of Chemistry, McMaster University, Hamilton, Ontario, L8S 4M1 Canada
| | - Ronald F. Childs
- Department of Chemistry, McMaster University, Hamilton, Ontario, L8S 4M1 Canada
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28
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Dondos A. A new relation between the intrinsic viscosity and the molecular mass of polymers derived from the blob model: determination of the statistical segment length of flexible polymers. POLYMER 2001. [DOI: 10.1016/s0032-3861(00)00481-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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29
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Shiwa Y, Kawasaki K. Application of field-theoretical renormalisation-group method to polymer dynamics. ACTA ACUST UNITED AC 2000. [DOI: 10.1088/0022-3719/15/26/014] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Lee JH, Park IH. Application of a Modified Scaled Reduced Temperature Parameter to Polybutadiene/n-Propyl Acetate System. Macromolecules 2000. [DOI: 10.1021/ma991726m] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jei Ho Lee
- Department of Polymer Science and Engineering, Kumoh National University of Technology, Kumi, Kyungbuk, 730-301 Korea
| | - Il Hyun Park
- Department of Polymer Science and Engineering, Kumoh National University of Technology, Kumi, Kyungbuk, 730-301 Korea
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Pierleoni C, Ryckaert JP. Excluded volume effects on the structure of a linear polymer under shear flow. J Chem Phys 2000. [DOI: 10.1063/1.1287738] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Kremer K, Baumgartner A, Binder K. Collapse transition and crossover scaling for self-avoiding walks on the diamond lattice. ACTA ACUST UNITED AC 1999. [DOI: 10.1088/0305-4470/15/9/036] [Citation(s) in RCA: 159] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Oono Y, Fred KF. Crossover behaviour between Gaussian and self-avoiding limits of a single polymer chain: conformational space renormalisation for polymers. VI. ACTA ACUST UNITED AC 1999. [DOI: 10.1088/0305-4470/15/6/032] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Park IH. Application of a Modified Scaled Reduced Temperature Parameter to the Chemically Different Polymer Systems. Macromolecules 1998. [DOI: 10.1021/ma971317v] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Il Hyun Park
- School of Polymer and Textile Design, Kumoh National University of Technology, Kumi, Kyungbuk, 730-301 Korea
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36
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Dondos A. Comparative study of wormlike polymer solutions using statistical mechanics, two-parameter theory, and blob theory. J Chem Phys 1997. [DOI: 10.1063/1.474170] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Landry MR. Scaling Behavior of Swollen Chains in Bimodal Molecular Weight Blends. Macromolecules 1997. [DOI: 10.1021/ma970270a] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Michael R. Landry
- Imaging Research and Advanced Development, Eastman Kodak Company, Rochester, New York 14650-2132
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Sun Z, Wang CH. Quasielastic Light Scattering Study of Self-Diffusion and Interaction of Two Homopolymers in an Arbitrary Solvent. J Phys Chem B 1997. [DOI: 10.1021/jp971193o] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Z. Sun
- Department of Chemistry, University of NebraskaLincoln, Lincoln, Nebraska 68588-0304
| | - C. H. Wang
- Department of Chemistry, University of NebraskaLincoln, Lincoln, Nebraska 68588-0304
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Wang CH. Theory of quasielastic light scattering of a ternary solution consisting of two homopolymers with arbitrary optical, hydrodynamic, and thermodynamic properties. J Chem Phys 1997. [DOI: 10.1063/1.474723] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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40
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Sun Z, Wang CH. Light Scattering from Mixtures of Two Polystyrenes in Toluene and Self-Diffusion Coefficients. Macromolecules 1997. [DOI: 10.1021/ma970290c] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Z. Sun
- Department of Chemistry, University of NebraskaLincoln, Lincoln, Nebraska 68588-0304
| | - C. H. Wang
- Department of Chemistry, University of NebraskaLincoln, Lincoln, Nebraska 68588-0304
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41
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Abadie MRL, Dayantis J. Monte Carlo Simulations of Free and Confined Walks in Reflecting Statistics. ACTA ACUST UNITED AC 1997. [DOI: 10.1021/ci960138u] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Michel R. L. Abadie
- Laboratoire de Mécanique et de Génie Civil, Université Montpellier II, Place Eugène Bataillon, 34095 Montpellier Cedex 5, France
| | - Jean Dayantis
- Laboratoire de Science des Matériaux Vitreux, Université Montpellier II, Place Eugène Bataillon, 34095 Montpellier Cedex 5, France
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42
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Sun Z, Wang CH. Quasielastic light scattering study of ternary polymer solutions of polystyrene and poly(methyl methacrylate) in dioxane. J Chem Phys 1997. [DOI: 10.1063/1.473430] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Dondos A, Papanagopoulos D. An approach to the theta temperature of star polymers based on the blob model. POLYMER 1997. [DOI: 10.1016/s0032-3861(97)00256-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Wittkop M, Kreitmeier S, Göritz D. Swelling of Subchains of a Single Polymer Chain with Excluded Volume in Two and Three Dimensions: A Monte Carlo Study. Macromolecules 1996. [DOI: 10.1021/ma950985i] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- M. Wittkop
- Universität Regensburg, Institut für Experimentelle und Angewandte Physik, D-93040 Regensburg, Germany
| | - S. Kreitmeier
- Universität Regensburg, Institut für Experimentelle und Angewandte Physik, D-93040 Regensburg, Germany
| | - D. Göritz
- Universität Regensburg, Institut für Experimentelle und Angewandte Physik, D-93040 Regensburg, Germany
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Sun Z, Wang CH. Quasielastic Light Scattering from Semidilute Ternary Polymer Solutions of Polystyrene and Poly(methyl methacrylate) in Benzene. Macromolecules 1996. [DOI: 10.1021/ma951389r] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Z. Sun
- Department of Chemistry, University of NebraskaLincoln, Lincoln, Nebraska 68588-0304
| | - C. H. Wang
- Department of Chemistry, University of NebraskaLincoln, Lincoln, Nebraska 68588-0304
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Wittkop M, Kreitmeier S, Göritz D. The collapse transition of a single polymer chain in two and three dimensions: A Monte Carlo study. J Chem Phys 1996. [DOI: 10.1063/1.471041] [Citation(s) in RCA: 69] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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47
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Sun Z, Wang CH. Determination of Flory–Huggins interaction parameter and self‐diffusion coefficients in ternary polymer solutions by quasielastic light scattering. J Chem Phys 1995. [DOI: 10.1063/1.470055] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Dondos A, Casassa EF. Calculation of the unperturbed dimensions of polymers via an equation derived from the combination of the two-parameters theory with the blob theory. POLYMER 1993. [DOI: 10.1016/0032-3861(93)90066-j] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Reed CE, Reed WF. Monte Carlo study of light scattering by linear polyelectrolytes. J Chem Phys 1992. [DOI: 10.1063/1.463496] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Wittmann H, Kremer K, Binder K. Glass transition of polymer melts: A two‐dimensional Monte Carlo study in the framework of the bond fluctuation method. J Chem Phys 1992. [DOI: 10.1063/1.462620] [Citation(s) in RCA: 82] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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