Publications
2018
C. Schubert, M. Schömer, M. Steube, S. Decker, C. Friedrich, H. Frey
Systematic Variation of the Degree of Branching (DB) of Polyglycerol via Oxyanionic Copolymerization of Glycidol with a Protected Glycidyl Ether and its Impact on Rheological Properties
Macromol. Chem. Phys. 219 (2018), 1700376
M. Schuhmann, A. Brinker, C. Friedrich
Rheological characterization of an in vitro model for salmonid to quantify changes in feed composition
Biorheology 54 (5-6) (2018), 167-184
2017
C. Schubert, P. Dreier, T. Nguyen, C. Friedrich, H. Frey
Synthesis of linear polyglycerols with tailored degree of methylation and the effect on thermorheological behavior.
Polymer 131 (2017), 328-339
K.-F. Ratzsch, C. Friedrich, M. Wilhelm
Low-field rheo-NMR: A novel combination of NMR relaxometry with high end shear rheology
J. Rheol. 61 (5), (2017), 905-917
L. Szanto, R. Vogt, J. Meier, D. Auhl, E. Van Ruymbeke, C. Friedrich
Entanglement relaxation time of polyethylene melts from high-frequency rheometry in the mega-hertz range
J. Rheol. 61(5), (2017), 1023-1033
V. Cecen, R. Thomann, R. Mülhaupt, C. Friedrich
Thermal conductivity, morphology, and mechanical properties for thermally reduced graphite oxide-filled ethylene vinylacetate copolymers
Polymer 132 (2017), 294-305
2016
R. Böhm, M. Hauptmann, A. Pizzi, C. Friedrich, M.P. Laborie
The chemical, kinetic and mechanical characterization of tannin-based adhesives with different crosslinking systems
Intl. J. Adh. & Ad. 68 (2016), 1-8
2015
C. Osterwinter, C. Tonhauser, C. Schubert, M. Schömer, D. Wilms, H. Frey, C. Friedrich
Rheological Consequences of Hydrogen Bonding: Linear Viscoelastic Response of Linear Polyglycerol and its Permethylated Analogues as a General Model for Hydroxyl-Functional Polymers
Macromolecules 48 (2015), 119-130
Z. Zhang, H.R. Kricheldorf, C. Friedrich
Thermo-rheological and mechanical properties of copolymers of lactide, isosorbide and different phthalic acids
Macromol. Rap. Comm. 36 (2015), 262-268
2014
N. Pogodina, T. Amann, C. Dold, E. Metwalli, P. Müller-Buschbaum, A. Kailer, C. Friedrich
Triborheology and Orientational Dynamics of Ionic Liquid Crystals
J. Mol. Liquids 192 (2014), 118-126
K.H. Gamp, Y. Thomann, C. Friedrich, A. Hebel, K. Markgraf, H. Hückstädt, K. Kurz, R. Mülhaupt
Improving melt flow of Polyoxymethylene („High-Speed POM“): Additive design, melt rheology, and in situ composition gradient formation
Macromol Mat & Eng 299 (2014), 51-64
J.R. Sangoro, C. Iacob, A. L. Agapov, Y. Wang, S. Berdzinski, H. Rexhausen, V. Strehmel, C. Friedrich, A.P. Sokolov, F. Kremer
Decoupling of ionic conductivity from structural dynamics in polymerized ionic liquids
Soft Matter (2014), 10, 3536-3540
K.F. Ratzsch, V. Cecen, F. Tölle, K.A. Wartig, R. Thomann, R. Mülhaupt, C. Friedrich
Rheology, electricl properties, and percolation of TRGO-filled EVA-copolymers
Macromol. Mater. Eng. 299 (2014), 1134-1144
F. Beckert, A. Held, J. Meier, R. Mülhaupt, C. Friedrich
Shear- and temperature-induced graphene network evolution in graphene/polystyrene nanocomposites and its influence on rheological, electrical an morphological properties
Macromolecules 47 (2014), 8784-8794
2013
M. Vielhauer, S. Bodendorfer, P.J. Lutz, C. Friedrich, R. Mülhaupt
Isotactic Polystyrene Reactor Blends with Tailored Bimodal Molar Mass Distribution
Macromolecules 46 (2013), 8129-8135
M. Angarano, S. Schulz, M. Fabritius, R. Vogt, T. Steinberg, P. Tomakidi, C. Friedrich R. Mülhaupt
Layered Gradient Nonwovens of In Situ Crosslinked Electrospun Collagenous Nanofibers Used as Modular Scaffold for Soft Tissue Regeneration
Adv. Func. Mater. 23 (2013), 3277-3285
G. Bauer, C. Friedrich, C. Gillig, F. Vollrath, T. Speck, C. Holland
Investigating the Rheological Properties of Native Plant Latex
J. R. Soc. Interface 11 (2013), 20130847
F. Beckert, A.M. Rostas, R. Thomann, S. Weber, E. Schleicher, C. Friedrich, R. Mülhaupt
Self-initiated free radical grafting of styrene homo and copolymers onto functionalized graphene
Macromolecules 46 (2013), 5488-5496
W. Beichel, Y. Yu, G. Dlubek, R. Krause-Rehberg, J. Pionteck, D. Pfefferkorn, S. Bulut, N. Bejan, C. Friedrich, I. Krossing
Free volume in ionic liquids: A connection of experimentally accessible observables from PALS and PVT experiments with the molecular structure from XRD data
PCCP 15 (2013), 8821-8830
C. Dassow, C. Armbruster, C. Friedrich, E. Smudde, J. Guttmann, S. Schumann
A method to measure mechanical properties of pulmonary epithelial cell layers
J. Biomed. Mat. Reas. B (2013) accepted
C. Geraths, L. Eichstädter, R. J. Gübeli, E.H. Christen, C.Friedrich, W. Weber
Synthesis and characterizationof a stimulus-responsive L-ornithine-degrading hydrogel
J. Contr. Release 165 (2013), 38-43
2012
F. Beckert, C. Friedrich, R. Thomann, R. Mülhaupt
Sulfur-functionalized graphenes as macro-chain-transfer and RAFT agents for producing praphen polymer rushes and polystyrene nanocomposites
Macromolecules 45 (2012), 7083-7090
S. Patachia, C. Croitoru, C. Friedrich
Effect of UV exposure on the surface chemistry of wood veneers treated with Ionic Liquids
Appl. Surf. Sci. 258 (2012), 6723-6729
R. J. Gübeli, M. Ehrbar, M. Fussenegger, C. Friedrich, W. Weber
Synthesis and Characterization of PEG-based Drug-responsive Biohybrid Hydrogels
Macromol., Rapid Comm. 33 (2012), 2127-2132
Y. Yu, W. Beichel, G. Dlubek, R. Krause-Rehberg, M. Paluch, J. Pionteck, D. Pfefferkorn, S. Bulut, C. Friedrich, N. Pogodina, I. Krossing
Free volume and phase transitions of 1-butyl-3-methylimidazolium based ionic liquids from positron lifetime spectroscopy
Phys. Chem. Chem. Phys. 14 (2012), 6856–6868
A. Brinker, C. Friedrich
Fish meal replacement by protein substitution and guar gum addition in trout feed, part II: Effects on faeces stability and rheology
Biorheology 49 (2012) 27-48
A. Kozina, P. Diaz-Leyva, C. Friedrich, E. Bartsch
Structural and Dynamical Evolution of Colloid-Polymer mixtures on Crossing Glass and Gel Transition as seen by Optical Microrheology and Mechanical Bulk Rheology.
Soft Matter (2012), 1033-1046
2011
C. Croitoru, S. Patachia, A. Porzsolt, C. Friedrich
Effect of alkylimidazolium based ionic liquids on the structure of UV-irradiated cellulose
Cellulose 10 (2011), 1469-1479
E.H. Christen, M. Karlsson, M.M. Kämpf, R. Schoenmakers, R.J. Gübeli, H.M. Wischhusen, C. Friedrich, M. Fussenegger, W. Weber
Conditional DNA-Protein Interactions Confer Stimulus-sensing Properties to Biohybrid Materials
Adv. Funct. Mat. 21 (2011), 2861-2867
C. Croitoru, S. Patachia, N. Cretu, A. Boer, C. Friedrich
Influence of Ionic Liquids on the Surface Properties of Poplar Veneers
Appl. Surf. Sci. 257 (2011), 6220-6225
P. Eiden, S. Bulut, T. Köchner, T. Schubert, I. Krossing, C. Friedrich
In Silico Predictions of the Temperature Dependent Viscosities and Electrical Conductivities of Functionalized and Non-Functionalized Ionic Liquids
J. Phys. Chem. B 115 (2011), 300-309
N. Pogodina, M. Nowak, J. Läuger, C.O. Klein, M. Wilhelm, C. Friedrich
Molecular Dynamics of Ionic Liquids as Probed by Rheology
J. Rheol 55(2) (2011), 241-256
S. Patachia, C. Florea, C. Friedrich, Y. Thomann
Tailoring of poly(vinyl alcohol) cryogels properties by salts addition
Express Polym. Lett. 5 (2011), 197-207
N. Pogodina, E. Metwalli, P. Müller-Buschbaum, K. Wendler, R. Lungwitz, S. Spange, J.L. Shamshina, R.D. Rogers, C. Friedrich
Peculiar Behavior of Azolium Azolate Energetic Ionic Liquids
J. Phys. Chem. Lett. 2 (2011), 2571-2576
J.R. Sangoro, C. Iacob, M. Jasiurkowska, S. Naumov, R. Valiullin, C. Friedrich, J. Kärger, F. Kremer
Molecular dynamics and transport properties of glass-forming N,N, -Diethyl-3-methylbenzamide (DEET)
Soft Matter 7 (2011), 10565-10568
2010
V. V. Novikov, C. Friedrich, K.A. Nezevenko
Effective electrical conductivity of nanocomposites. Influence of image forces on contact conductivity of metal-filled polymer nanocomposites
Polymer Composites 31 (2010), 1541-1553
M. Kühne, J. Wurth, C. Friedrich
Thermo-thickening during melting of dibenzylidene sorbitol fibre networks,
Rheol. Acta, 49 (2010), 315-321
D. Klatt, C. Friedrich, Y. Korth, R. Vogt, J. Braun, I. Sack
Viscoelastic properties of liver measured by oscillatory rheometry and multifrequency magnetic resonance elastography
Biorheology 47 (2010), 133-14
G. Dlubek, Yang Yu, R. Krause-Rehberg, W. Beichel, S. Bulut, N. Pogodina, I. Krossing, C. Friedrich
Free volume in imidazolium triflimide ([C3MIM][NTf2]) ionic liquid from positron lifetime: amorphous, crystalline and liquid statesJ. Chem. Phys., 133 (2010), 124502
C. Tonhauser, D. Wilms, Y. Korth, H. Frey, C. Friedrich
Entanglement Transition in Hyperbranched Polyether-Polyols
Macromol. Rapid Comm., (2010), 2127-2132
2009
C. Iacob, J.J. Sangoro, A. Serghei, S. Naumov, Y. Korth, J. Kärger, C. Friedrich, F. Kremer
Universal scaling of charge transport in glass-forming ionic liquids
Phys Chem Phys 11 (2009), 913-916
C. Friedrich. R.J. Loy, R.S. Anderssen
Relaxation time spectrum molecular weight distribution relationships
Rheol. Acta 48 (2009), 151-162
S. Patachia, C. Florea, C. Friedrich, Y. Thomann
Tailoring of poly (vinyl alcohol) cryogels properties by salts addition
Express Polym. Lett.3 (2009), 320-331
V.V. Novikov, C. Friedrich, N.O. Dimitreva, A.V. Novikov
Thermal conductivity of filled polymer nanocomposites
Sci & Engng Comp Mat 16 (2009), 21-46
M. Kühne, C. Friedrich
Nonlinear rheological properties of DBS fibre networks in polypropyleneoxide
Rheol. Acta 48 (2009), 1-9
2008
C. Iacob, J.J. Sangoro, A. Serghei, S. Naumov, Y. Korth, J. Kärger, C. Friedrich, F. Kremer
Charge transport and glassy dynamics in imidazole-based liquids
J Chem Phys 129 (2008), 234511
K.M. Mattes, R. Vogt, C. Friedrich
Rheol. Acta 47 (2008), 929-942
C. Friedrich, R. Waizenegger, H.H. Winter
Relaxation patterns of long, linear, flexible, monodisperse polymers: BSW spectrum revisited
Rheol. Acta 47 (2008), 909-916
2007
M. Kráčalík, M. Studenovský, J. Mikesová, J. Kovásová, A. Sikora, R. Thomann, C. Friedrich
Recycled PET-organoclay nanocomposites with enhanced processing properties and thermal stability
Journal of Applied Polymer Science 106 (2007), 2092-2100
M. Kráčalík, M. Studenovský, J. Mikesová, J. Kovásová, A. Sikora, R. Thomann, C. Friedrich, I. Fortelný, J. Šimoník
Recycled PET Nanocomposites Improved by Silanization of Organoclays
Journal of Applied Polymer Science 106 (2007), 926-937
M. Kráčalík, J. Mikesová, R. Puffr, J. Baldrian, R. Thomann, C. Friedrich
Effect of 3D structures on recycled PET/organoclay nanocomposites
Polym. Bull. 58 (2007), 313-319
Y.Y. Antonov, C. Friedrich
Aquaous phase-separated biopolymer mixtures compatibilized by physical interactions of constituents
Polym. Bull. 58 (2007), 969-978
C. Friedrich, Y.Y. Antonov
Interfacial relaxation in polymer blends and Gibbs elasticity
Macromolecules 40 (2007), 1283-1289
M. Kráčalík, J. Mikesová, R. Puffr, J. Baldrian, R. Thomann, C. Friedrich
Effect of 3D structures on recycled PET/organoclay nanocomposites
Polym. Bull. 58 (2007), 313-319
2006
H. Schulz, M. Wissen, N. Bogdanski, H.-C. Scheer, K. Mattes, C. Friedrich
Impact of molecular weight and shear rate effects for nanoimprint lithography
Microelectronic Engineering 83 (2006), 259-280
A. Blumen, A. Jurjiu, T. Koslowski, C. Friedrich
Models for the dynamics of hyperbranched macromolecules
Macromol. Symp. 237 (2006), 53-59
2005
V.V. Novikov, C. Friedrich
Viscoelastic properties of composite materials with random structure
Phys. Rev. E 72 (2005)
J. Yoshida, C. Friedrich
Thermorheological properties of hydrogenated pseudorandom styrene-butadiene copolymers
Macromolecules 38 (2005)
D. Schulze, T. Roths, C. Friedrich
Classification of model topologies using the d versus G* plot
Rheol. Acta 44 (2005), 485-494
H. Schulz, M. Wissen, N. Bogdanski, H.C. Scheer, K. Mattes, C. Friedrich
Choice of the molecular weight of an imprint polymer for hot embossing lithography
Microel. Engng. 78-79 (2005), 625-632
2004
T.J. Galla, S.W. Vedecnik, J. Halbegewachs, S. Steinmann, C. Friedrich, G.B. Stark
Fibrin/Schwann cell matrix in poly-epsilon-caprolactone conduits enhances guided nerve regeneration
Int. J. Artif. Org. 27 (2004), 127-136
K. Luo, W. Gronski, C. Friedrich
Morphology and Dynamics of Phase-Separating Fluids with Viscosity Asymmetry
Macromol. Theory Simul. 13 (2004), 365-373
K. Luo, W. Gronski, C. Friedrich
Viscoelastic phase separation in polymer blends
Eur. Phys. J.(2004), 177-187
M. Dumitras, C. Friedrich
Network formation and elasticity evolution in dibenzylidene sorbitol/poly(propylene oxide) physical gels
J. Rheol.48 (2004), 1135-1146
C. Gabriel, D. Lilge, H.M. Laun, M. Rüllmann, D. Schulze, C. Friedrich
On the Estimation of Flow Properties of Polyolefins Based on Fast and Conventional Size Exclusion Chromatography
Macromol. Rap. Comm. 25 (2004), 249-252
O. Meincke, D. Kämpfer, H. Weickmann, C. Friedrich, M. Vathauer, H. Warth
Mechanical Properties and Electrical Conductivity of Carbon-nanotube Filled Polyamide-6 and its Blends with Acrylonitrile/Styrene
Polymer 45 (2004), 739-748
2003
W. Fräßdorf, M. Fahrländer, K. Fuchs, C. Friedrich
Thermorheological Properties of Self-assembling DBS Structures in Various Polymer Matrices: Determination and Prediction of Characteristic Temperatures
J. Rheol. 47 (2003), 1445-1454
M. Fahrländer, K. Fuchs, R. Mülhaupt, C. Friedrich
Linear and Non-linear Rheological Properties of Self-assembling Tectones in Polypropylene Matrices
Macromolecules 36 (2003), 3749-3757
O. Meincke, B. Hoffmann, C. Dietrich, C. Friedrich
Viscoelastic Properties of PS-Nanocomposites Based on Layered Silicates
Macromol. Chem. Phys. 204 (2003), 823-830
D. Schulze, S. Trinkle, C. Friedrich
Rheological Evidence of Modifications of Polypropylene by Beta-Radiation
Rheol. Acta 42 (2003), 25121-258
2002
S. Steinmann, W. Gronski, C. Friedrich
Influence of Selective Filling on Rheological Properties and Phase Inversion of Two-Phase Polymer Blends
Polymer 43 (2002), 4467-4477
A. Jurjiu, C. Friedrich, A. Blumen
Strange Kinetics of Polymeric Networks Modelled by Finite Fractals
J. Chem. Phys. 284 (2002), 221-231
K. Thorshaug, R. Mendichi, L. Boggioni I. Tritto, S. Trinkle, C. Friedrich, R. Mülhaupt
Poly(ethene-co-norbornene) Obtained with a Constrained Geometry Catalyst. A study of Reaction Kinetics and Copolymer Properties
Macromolecules 35 (2002) 2903-2911
S. Steinmann, W. Gronski, C. Friedrich
Quantitative rheological evaluation of phase inversion in two-phase polymer blends with cocontinuous morphology
Rheol. Acta 41 (2002) 77-86
S. Trinkle, C. Friedrich
VanGurp-Palmen-plot II - Classification of long chain branched polymers by their topology
Rheol. Acta 41 (2002), 103-113
T. Roths, C. Friedrich, M. Marth, J. Honerkamp
Dynamics and rheology of the morphology of immiscible polymer blends - on modeling and simulation
Rheol. Acta 41 (2002), 211-222
2001
S. Trinkle, B. Hoffman, C. Friedrich, H.R. Kricheldorf
Morphological and Rheological Properties of Various Blends Containing Liquid Crystalline Polyesters
Macromol. Chem. & Phys. 202 (2001), 814-823
M. Fahrländer, M. Bruch, T. Menke, R. Mülhaupt, C. Friedrich
Rheological Behavior of PS-Melts Containing Surface Modified PMMA-Particles
Rheol. Acta 40 (2001), 1-9
S. Trinkle, C. Friedrich
Van-Gurp-Palmen-plot: a way to characterize polydispersity of linear polymers
Rheol. Acta 40 (2001), 322-328
P. Reichert, B. Hoffmann, T. Bock, R. Thomann, R. Mülhaupt, C. Friedrich
Morphological Stability of Poly(propene) Nanocomposites
Macrmol. Rapid Commun. 22 (2001), 519-523
S. Steinmann, W. Gronski, C. Friedrich
Cocontinuous polymer blends: influence of viscosity and elasticity ratios of the constituent polymers on phase inversion
Polymer 42 (2001), 6619-6629
P. Walter, S. Trinkle, D. Lilge, C. Friedrich, R. Mülhaupt
Long chain branched PP prepared by means of propene copolymerization with 1,7-octadiene using MAO-activated rac-Me2Si(2-Me-Phenyl-Ind)2ZrCl2
Macromol. Mater. Eng. 286 (2001), 309-315
2000
B. Hoffmann, C. Dietrich, R. Thomann, C. Friedrich, R. Mülhaupt
Morphological and Rheological Characterization of Polystyrene-Nanocomposites
Macromol. Rapid Commun. 21 (2000), 57-61
C. Börschig, P. Arends, W. Gronski, C. Friedrich
Kinetics of Flow-Induced Coalescence and Form Relaxation in Polymer Blends as Studied by Rheo-Small Angle Light Scattering
Macromol. Symposia 149 (2000), 137-143
C. Börschig, B. Fries, W. Gronski, C. Weis, C. Friedrich
Shear-Induced Coalescence in Polymer Blends - Simulations and Rheo Small Angle Light Scattering
Polymer 41 (2000), 3029-3035
P. Walter, S. Trinkle, J. Suhm, D. Mäder, C. Friedrich, R. Mülhaupt
Short and Long Chain Branching of Polyethene Prepared by Means of Ethene Copolymerization with 1-Eicosene Using MAO Activated Me2Si(Me4Cp)(NtBu)TiCl2
Macromoleculear Chemistry and Physics 201 (2000), 604-612
T. Roths, D. Maier, C. Friedrich, J. Honerkamp
Determination of Relaxation Time Spectra from Dynamic Moduli Using and Edge Preserving Regularization Method
Rheol. Acta 39 (2000), 163-173
W. Thimm, C. Friedrich, M. Marth, J. Honerkamp
On the Rouse Spectrum and the Determination of the Molecular Weight Distribution from Rheological Data
J. Rheol. 44 (2000), 429-438
H.R. Kricheldorf, A. Gerken, B. Yulchibaev, C. Friedrich
New polymer syntheses. 102. Aspirin Modified LC Polyesters Based on PET and 4-Hydroxybenzoic Acid
Journal of Polymer Science: Part A: Polymer Chemistry 38 (2000), 2013-2022
I. Quijado-Garrido, H. Siebert, C. Friedrich, C. Schmidt
Flow Behavior of Two Side-Chain Liquid Crystal Polymers Studied by Transient Rheology
Macromolecules 33 (2000), 3844-3854
B. Hoffmann, J. Kressler, G. Stöppelmann, C. Friedrich, G.-M. Kim
Synthesis and Rheology of Nanocomposites based on Layered Silicates and Polyamide-12 Colloid
Polym. Science 278 (2000), 629-636
M. Fahrländer, K. Fuchs, C. Friedrich
Rheological properties of dibenzylidene sorbitol networks in poly(propylene oxide) matrices
J. Rheol. 44 (2000), 1103-1119
1999
C. Friedrich, H. Schiessel, A. Blumen
Constitutive Behavior Modeling and Fractional Calculus in Advances in the Flow and Rheology of Non-Newtonian Fluids
(Eds.) Siginer D.A., DeKeeD., Chabra R.P., Elsevier, Amsterdam (1999), 429-466
U. Jacobs, M. Fahrländer, J. Winterhalter, C. Friedrich
Analysis of Palierne's Emulsion Model in the Case of Viscoelastic Interfacial Properties
J. Rheol. 43 (1999), 1495-1509
W. Thimm, C. Friedrich, M. Marth, J. Honerkamp
An Analytical Relation betwenn Relaxation Time Spectrum and Molecular Weight Distribution
J. Rheol. 43 (1999), 1663-1672
R.D. Maier, C. Friedrich, R. Mülhaupt
Nukleierung von mPP
Kunststoffe 89 (1999), 89-94
C. Friedrich, A. Eckstein, F. Stricker, R. Mülhaupt
Rheology and Processing of metallocene-based polyolefins
J. Scheirs (Ed.) Preparation, Properties & Technology of Metallocene-Based Polyolefins. Vol. II, John Wiley & Sons (1999), 399-418
M. Fahrländer, C. Friedrich
Rheological Properties of Polymer Blends with Spere-in-Sphere Morphology
Rheol. Acta, 38(1999), 206-213
W. Thimm, C. Friedrich, D. Maier, M. Marth, J. Honerkamp
Determination of Molecular Weight Distribution from Rheological Data: An Application to Polystyrene, Polymethylmethacrylate and Isotactic Polypropylene
Appl. Rheol. 9 (1999), 150-157
T. Roths, D. Maier, C. Friedrich, J. Honerkamp
Modellierung der Morphologiedynamik heterogener Polymerblends
Kautschuk Gummi Kunststoffe 95 (1999), 566-569
I. Quijado-Garrido, H. Siebert, P. Becker, C. Schmidt, C. Friedrich
Transient Rheological Behavior of Tumbling Side-Chain Liquid Crystal Polymers and Determination of Their Lambda-Parameters#+
Rheol. Acta 38:6 (1999), 495-502
K. Fuchs, T. Bauer, R. Thomann, C. Wang, C. Friedrich, R. Mülhaupt
Nanostructure Formation via Supramolecular Self-Assembly of Tectonics in Amorphous Matrices
Macromolecules 32 (1999), 8404-8412
1998
C. Weis, J. Leukel, K. Borkenstein, D. Maier, W. Gronski, C. Friedrich, J. Honerkamp
Morphological and Rheological Detection of the Pase Inversion of PMMA/PS Polymer Blends
Polym. Bull. 40 (1998), 235-241
A. Eckstein, J. Suhm, C. Friedrich, R.D. Maier, J. Sassmannshausen, M. Bochmann, R. Mülhaupt
Determination of Plateau Moduli and Entanglement Molecular weights of isotactic, syndiotactic and atactic polypropylenes synthesized with metallocene catalysts
Macromolecules 31 (1998), 1335-1340
F. Stricker, C. Friedrich, R. Mülhaupt
Influence of Morphology on Rheological and Mechanical Properties of SEBS-Thoughened, Glass-Bead-Filled Isotactic Polypropylene
J. Appl. Polym. Sci. 69 (1998), 2499-2506
D. Maier, A. Eckstein, C. Friedrich, J. Honerkamp
Evaluation of Models Combining the Rheological Data with Molecular weight Distribution
J. Rheol. 42 (1998), 1153-1173
H.R. Kricheldorf, T. Stukenbrock, C. Friedrich
New polymer syntheses. 96. Star-shaped LC-polyesters derived from beta-(4-hydroxyphenyl) propionic acid and 4-hydroxybenzoic acid
J. Polym. Sci. A-Polymer Chemistry 36:9 (1998), 1387-1395
H.R. Kricheldorf, T. Stukenbrock, C. Friedrich
New polymer syntheses. 97. Hyperbranched LC-polyesters based on beta-(4-hydroxyphenyl) propionic acid and 4-hydroxybenzoic acid
J. Polym. Sci. A-Polymer Chemistry 36:9 (1998), 1397-1405
J. Leukel, C. Weis, C. Friedrich, W. Gronski
On-line Measurement of Polymer Blend Morphology During the Extrusion Process
Polymer 39 (1998), 6665-6667
1997
A. Eckstein, A. Lobbrecht, A. Spitz, R. Mülhaupt, C. Friedrich
Comparison of the viscoelastic Properties of Syndiotactic and Isotactic Polypropylenes
Acta Polym. 48 (1997), 41-46
A. Lobbrecht, C. Friedrich, F. Sernetz, R. Mülhaupt
Viscoelastic Properties of Poly(ethylene-co-styrene) Copolymers
J. Appl. Polym. Sci. 56 (1997), 209-215
R.E. Riemann, H.J. Cantow, C. Friedrich
Interpretation of a new interface governed relaxation processs in compatibilized PMMA-PS Blend
Macromoelcules 30 (1997), 5476-5484
H.R. Kriecheldorf, L. Wahlen, C. Friedrich, T. Menke
Reinforcement of Poly(e-caprolactone) via Lyotropic blends of rigid-rod polyesters derived from substituted terephthalic acids
Macromolecules 30 (1997), 2642-2650
1996
C. Friedrich, C. Schwarzwälder, R.E. Riemann
Thermodynamical and Rheological Propertiesof Miscible PS - PCHMA Blends
Polymer 37 (1996), 2499-2507
K. Fuchs, J. Weese, C. Friedrich
Viscoelastic Properties of Narrow-Distributed Poly(Methyl Methacrylates)
Macromolecules 29 (1996), 5893-5901
M. Odenwald, H.F. Eicke, C. Friedrich
Rheological Analysis of Triblock Copolymer-Microemulsion Networks
Coll. & Polym. Sci. 274 (1996), 568-575
C. Friedrich, J. Honerkamp, J. Weese
New ill-posed problems of material characterization by rheological methods
Rheol. Acta 35 (1996), 186-193
R.E. Riemann, H.J. Cantow, C. Friedrich
Rheological Investigation of Form Relaxation and Interface Relaxation Processes in Polymer Blends
Polym. Bull. 36 (1996), 637-643
H. Braun, A. Eckstein, K. Fuchs, C. Friedrich
Rheological Methods for Determining Molecular Weight and Molecular Weight Distribution
Appl. Rheol. 6 (1996), 116-123
J. Rösch, H. Warth, P. Müller, R. Schäfer, C. Wörner, C. Friedrich, J. Kressler, R. Mülhaupt
Prospects and Challenges of Reactice Processing
Macromol. Symp. 102 (1996), 241-254
1995
H. Braun, C. Friedrich
Molecular weight distribution ontained from rheology: Different methods and common problems
ANTEC, Boston (1995)
C. Weiß, C. Friedrich, R. Mülhaupt, H. Frey
Fullerene-Endcapped Polystyrenes - Monosubstituted Polymeric C60 - Derivatives
Macromolecules (Communication) 28 (1995), 403-405
C. Friedrich, W. Scheuchenpflug, S. Neuhäusler, J. Rösch
Thermorheological Properties of PS Melts Filled with Compatibilized and Clean Glass Beads
J. Appl. Polym. Sci. 57 (1995), 499-508
C. Friedrich, H. Braun, J. Weese
Determination of relaxation time spectra by analytical inversion
Polym. Eng. Sci. 35 (1995), 1661-1669
C. Friedrich
Linear Viscoelastic Behavior of Branched Polybutadiens: A Fractional Calculus Approach
Acta Polymerica 46 (1995), 385-390
C. Friedrich, W. Gleinser, E. Korat, D. Maier, J. Weese
Morphological and Interfacial Data from Rheology of PS-PMMA Blends
J. Rheology 38 (1995), 1411-1432
1994
C. Friedrich, H. Braun
Linear Viscoelastic Behaviour of Complex Polymeric Materials: A Fractional Calculus Representation
Coll. & Polym. Sci. 272 (1994), 1536-1546
W. Gleinser, H. Braun, C. Friedrich, H.J. Cantow
Correlation between Rheology and Morphology of Compatibilized Immiscible Blends
Polymer 35 (1994), 128-130
S. Haaga, C. Friedrich
Rheology and Morphology of Triblock Copolymer Compatibilized PE/PS Blends
Polymer Netw. & Blends 4 (1994), 61-67
J. Weese, C. Friedrich
Relaxation Time Spectra in Rheology: Calculation and Examples
Rheology 4 (1994), 69-76
W. Gleinser, D. Maier, M. Schneider, J. Weese, C. Friedrich, J. Honerkamp
Estimation of Sphere Size Distributions in Two-Phase Polymeric Materials from Transmission Electron Microscopy Data
J. Appl. Polym. Sci. 53 (1994), 39-50
C. Friedrich, S. Hazanov
Possibilities of constitutive equation modelling by the help of the fractional calculus
Advances in Structured and Heterogeneous Continua, Allerton Press Inc., New York (1994), 173-185
C. Friedrich, H. Dehno
Viscoelasticity of silica and glass bead filled PS melts
Progress and Trends in Rheology IV, Steinkopffverlag, Darmstadt (1994), 45-47
S. Neuhäusler, W. Scheuchenpflug, J. Rösch, C. Friedrich
Thermorheological behavior of PS/glass bead composites
Progress and Trends in Rheology IV, Steinkopffverlag, Darmstadt (1994), 79
J. Weese, C. Friedrich, K. Fuchs, J. Honerkamp, D. Meier
The accuracy of equations relating the molar mass distribution to rheological properties at the example of PMMA
Progress and Trends in Rheology IV, Steinkopffverlag, Darmstadt (1994), 412-414
M. Odenwald, C. Friedrich, F. Stieber, H.F. Eicke
Copolymer induced reversible networks in microemulsions
Progress and Trends in Rheology IV, Steinkopffverlag, Darmstadt (1994), 208
1993
C. Friedrich
Mechanical stress relaxation in polymers: Fractional integral versus fractional differential model
J. Non-Newt. Fluid Mech. 46 (1993), 307-314
S. Schlag, J. Rösch, C. Friedrich
Creep Measurement on compatibilized Polypropylene/polyamide 6 blends
Polym. Bull. 30 (1993), 603-608
S. Haaga, H.A. Schneider, C. Friedrich
Morphological and Rheological Data in Dependence of the Degree of Compatibilization of a PS/PE Blend
Polymer Preprints 34 No. 2 (1993), 799-800
J. Honerkamp, J. Weese
A nonlinear regularization method for the calculation of relaxation spectra
Rheol Acta 32:65-73 (1993)
1992
C. Friedrich
Rheological constitutive equations with fractional derivatives: Material functions in the time and frequency domains
"Theoretical and Applied Rheology", Elsevier, Amsterdam (1992), 91-93
C. Friedrich, H. Braun
Determination of relaxation time spectra: Different methods compared
Theoretical and Applied Rheology, Elsevier, Amsterdam (1992)
C. Friedrich, T. Seidel
Influence of shear rate and temperature on the crystallization of spontaneous crystallizing glass-ceramic
J. Materials Science 27 (1992), 263
C. Friedrich, H. Braun
Generalized Cole/Cole behavior and its rheological relevance
Rheologica Acta 31 (1992) 309-322
C. Friedrich
Rheological material functions for associating, comb-shaped or H-shaped polymers: a fractional calculus approach
Phil. Mag. Letters 66 (1992), 287-292
1991
C. Friedrich
Relaxation functions of rheological constitutive equations with fractional derivatives: Thermodynamical constraints
Rheological modelling: Thermodynamical and statistical approaches, Lecture Notes in Physics Nr. 381, Springer Verlag, Berlin (1991), 321-330
C. Friedrich
A delta-function method for the n-th approximation of relaxation or retardation time spectrum from dynamic data
Rheologica Acta 30 (1991), 7-13
C. Friedrich
Relaxation and retardation functions of the Maxwell model with fractional derivatives
Rheologica Acta 30 (1991), 151 - 158
1990
H. Braun, C. Friedrich
Dissipative behaviour of viscoelastic fluids derived from rheological constitutive equations
J. of Non-Newtonian Fluid Mechanics 38 (1990), 81-91
C. Friedrich, T. Seidel
Viscosity measurement during cooling of a crystallizing glass
Third European Rheology Conference" Elsevier Applied Science, London and New York (1990), 159-161
J. Honerkamp, J. Weese
Tikhonovs regularization method for ill-posed problems
Continuum Mech. Thermodyn. 2 (1990), 17-30
1989
H. Braun, C. Friedrich
Transient processes in Couette Flow of a Leonov Fluid influenced by dissipation
J. of Non-Newtonian Fluid Mechanics 31 (1989), 39-51
C. Friedrich, L. Heymann, H.R. Berger
Evolution of Time constants during sol-gel transition
Rheologica Acta 28 (1989), 535-539
1988
C. Friedrich, L. Heymann
A few remarks on rheological constitutive equations of the network-rupture typ
Progress and Trends in Rheology II Supplement to Rheologica Acta 26 (1988), 102-105
C. Friedrich, L. Heymann
Primary normal-stress coefficient prediction at high shear rates
Rheologica Acta 27 (1988), 567-574
C. Friedrich, L. Heymann
Extension of a model for crosslinking polymers at the gel point
J. of Rheology 32 (1988), 235-241
1985
C. Friedrich, R. Schnabel
Two new methods for the approximate determination of the initial coefficient of the first normal stress difference
J. of Non-Newtonian Fluid Mechanics 17 (1985), 185-191
C. Friedrich
Notwendigkeit und Möglichkeit der Bestimmung der ersten Normalspannungsdifferenz aus Viskositätsdaten
Acta Polymerica 36 (1985), 509-514
1984
C. Friedrich
Einige Bemerkungen zum Spiegelverhalten viskoelastischer Flüssigkeiten
Plaste und Kautschuk 31 (1984), 12-15
C. Friedrich
Modellierung eines Vibrorheometers für ein Fluid 3. Ordnung
Technische Mechanik 5 (1984), 36-42
1983
C. Friedrich, O. Wein, P. Mitschka
Über die durch Oszillationen in nicht-Newtonschen Fluiden hervorgerufene Durchsatzsteigerung als Modelleffekt
Technische Mechanik 4 (1983), 4-12
C. Friedrich, B. Hofmann
Nichtkorrekte Aufgaben in der Rheometrie
Rheologica Acta 22 (1983), 425-434
1982
C. Friedrich, R. Schnabel, E.O. Reher
Ein Beitrag zur rheologischen Charakterisierung von fotografischen Suspensionen
Acta Polymerica 33 (1982), 146-150
1981
C. Friedrich, R. Schnabel, E.O. Reher
Ein Kapillarviskosimeter für Gelatinelösungen
Acta Polymerica 31 (1981), 459-462
C. Friedrich, R. Seeger, E.O. Reher
Über die Bestimmung der ersten Normalspannungsdifferenz aus der stationären Viskositätsfunktion
Plaste und Kautschuk 28 (1981), 460-464