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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


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


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


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


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


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


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


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


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


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


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 

Analysis of the edge fracture process in oscillation for polystyrene melts 

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


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


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


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


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


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


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



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


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


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  


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


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


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


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


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


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)    


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     


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  


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 


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


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


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


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


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


C. Friedrich, R. Schnabel, E.O. Reher

Ein Beitrag zur rheologischen Charakterisierung von fotografischen Suspensionen

Acta Polymerica 33 (1982), 146-150


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