Lecture: Wed., 14:15 - 15:45, Seminar room 134
Seminar: Mon., 15:00 - 15:45, Seminar room 134
Scripts - Physical Chemistry of Polymers 2 (login with your JGU account)
Goal
This lecture aims at establishing a conceptual knowledge on the structure, dynamics, and function of multi-component polymer systems, along with adding a methodological knowledge on their experimental characterization.
Requirements
Successful participation in the basic lecture Physical Chemistry of Polymers 1
09.032.2080 Lecture: Introduction to Macromolecular Chemistry: Physical Chemistry of Polymers 2
Topics and Contents
1. Rheology and Mechanics of Polymer Systems
Hooke’s Law, Newton’s Law, Viscoelasticity, Relaxation and Creep, Newtonian vs. Non-Newtonian Flow, Energy vs. Entropy Elasticity, Reptation in Polymer Melts, Rubber Elasticity, Boltzmann Superposition Principle, Time–Temperature Superposition
2. Polymer Solutions
The Process of Dissolving Solid Polymers, Concentration Regimes, Dilute Solutions, Semi-Dilute Solutions, Screening, Scaling Laws, Entangled and Unentangled Dynamics, Reptation vs. Hydrodynamic Scaling, Concentrated Solutions
3. Polymer Networks and Gels
Classification of Gels, Gelation, Percolation, Gel Point, Mean-Field and Scaling Theory, Swelling
4. Glassy and Crystalline Polymers
Glass Transition, Free Volume, WLF Equation, Molecular Structure and Glass Transition Temperature, Polymer Crystallization, Micelles, Single Crystals, Spherulites, Semi-Crystalline Structures, Gibbs–Thomson Equation
Dates and Lessons
April 15, 2020: Introduction & Fundamentals of Rheology
April 22, 2020: Complex Moduli
April 29, 2020: Principles of Viscoelasticity
May 06, 2020: Superposition Principles
May 13, 2020: Mechanical Spectra
May 20, 2020: Rubber Elasticity
May 27, 2020: Terminal Flow and Reptation
June 10, 2020: Polymer Solutions (Pt. 1)
June 17, 2020: Polymer Solutions (Pt. 2)
June 24, 2020: Polymer Networks and Gels (Pt. 1)
July 08, 2020: Polymer Networks and Gels (Pt. 2)
09.032.2082 Seminar to Polymer Chemistry II (PC Part)
This lecture, as well as its organic-chemistry counterpart, will be accompanied by a literature seminar. Students are required to present a paper in this seminar in the form of a talk. Dates and topics (=papers) will be discusssed and assigned at the start of this class.1
April 27, 2020
"Shear thickening in colloidal dispersions"
Norman J. Wagner and John F. Brady
Physics Today 2009, October Issue, 27–32.
"Is the Universal Law [=The Flory–Fox Viscosity Law] Valid for Branched Polymers?"
Albena Lederer, Walther Burchard, Anna Khalyavina, Peter Lindner, and Ralf Schweins
Angew. Chem. Int. Ed. 2013, 52, 4659–4663.
May 4, 2020
"Microrheology"
M.L. Gardel, M.T. Valentine, and D.A. Weitz
in: Kenneth S. Breuer (Ed.), Microscale Diagnostic Techniques, Springer (2005).
"Fourier-Transform Rheology"
Manfred Wilhelm
Macromol. Mater. Eng. 2002, 287, 83–105.
May 11, 2020
"Helix versus coil polypeptide macromers: gel networks with decoupled stiffness and permeability"
Abigail M. Oelker, Shannon M. Morey, Linda G. Griffith, and Paula T. Hammond
Soft Matter 2012, 8, 10887–10895.
"Colloidal Analogues of Charged and Uncharged Polymer Chains with Tunable Stiffness"
Hanumantha Rao Vutukuri, Ahmet Faik Demirçrs, Bo Peng, Peter D. J. van Oostrum, Arnout Imhof, and Alfons van Blaaderen
Angew. Chem. Int. Ed. 2012, 51, 11249–11253.
May 18, 2020
"Overlap concentration of macromolecules in solution"
Q. Ying and B. Chu
Macromolecules 1987, 20, 362–366.
"Influence of Cross-Linking on Probe Dynamics in Semidilute Polystyrene Systems"
Markus Susoff and Wilhelm Oppermann
Macromolecules 2010, 43, 9100–9107.
May 25, 2020
"Small-Molecule Dynamics and Mechanisms Underlying the Macroscopic Mechanical Properties of Coordinatively Cross-Linked Polymer Networks"
Wayne C. Yount, David M. Loveless, and Stephen L. Craig
J. Am. Chem. Soc. 2005, 127, 14488–14496.
"Stimuli-Responsive Supramolecular Hydrogels with High Extensibility and Fast Self-Healing via Precoordinated Mussel-Inspired Chemistry"
Sen Hou and Peter X. Ma
Chem. Mater. 2015, 27, 7627–7635.
June 8, 2020
"Phase Transitions of Gels"
Yong Li and Toyaoichi Tanaka
Annu. Rev. Mater. Sci. 1992, 22, 243–277.
"Self-Oscillating Polymer and Gels as Novel Biomimetic Materials"
Ryo Yoshida
Bull. Chem. Soc. Jpn. 2008, 81, 676–688.
June 15, 2020
"Size-Dependent Depression of the Glass Transition Temperature in Polymer Films"
Joe L. Keddie, Richard A. L. Jones, and Rachel A. Cory,
Europhys Lett. 1994, 27, 59.
["Vitrimers"] "Silica-Like Malleable Materials from Permanent Organic Networks"
Damien Montarnal, Mathieu Capelot, François Tournilhac, and Ludwik Leibler
Science 2011, 334, 965–968.
June 22, 2020:
Method Review: Static and Dynamic Light Scattering
Method Review: Small-Angle X-Ray and Neutron Scattering
June 29, 2020
Method Review: Fluorescence Correlation Spectroscopy
Method Review: Forced Rayleigh Scattering