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Total result(s) found: 79
  • ​50th Anniversary Perspective: Polymers with Complex Architectures
    G. Polymeropoulos, G. Zapsas, K. Ntetsikas, P. Bilalis, Y. Gnanou and N. Hadjichristidis
    Macromolecules, 50, 1253, (2017)
Keywords:
Complex macromolecular architectures, Anionic Polymerization
  • C1 polymerization: a unique tool towards polyethylene-based complex macromolecular architectures
    D. Wang , Z. Zhang and N. Hadjichristidis
    Polym. Chem., 8, 4062, (2017)
Keywords:
Polyhomologation, organoborane initiators,
  • ​Polyethylene-Based Tadpole Copolymers
    N. Alkayal, Z. Zhang, P. Bilalis, Y. Gnanou, N. Hadjichristidis
    Macromol. Chem. Phys. 1600568, (2017)
Keywords:
Atom transfer radical olymerizatin, Glaser coupling reaction, polyhomologation, tadpole copolymer
  • ​Synthesis of polyglycocarbonates through polycondensation of glucopyranosides with CO2
    D. Pati, Z. Chen, X.  Feng, N. Hadjichristidis, Y. Gnanou
    Polym. Chem., 8, 2640, (2017)
Keywords:
Polyglycocarbonates, polycondensation, CO2
  • ​Allyl borates: a novel class of polyhomologation initiators
    D. Wang, N.Hadjichristidis
    Chem. Commun., 53, 1196, (2017)
Keywords:
Allyl borates, Polyhomologation, Polymethylenes
  • ​Ring-opening polymerization of ω-pentadecalactone catalyzed by phosphazene superbases
    V. Ladelta, P. Bilalis, Y. Gnanou and N. Hadjichristidis
    Polym. Chem. 8, 511, (2017)
Keywords:
Ring opening polymerization, phosphazene super bases, ω-pentadecalactone
  • ​test​​
  • ​​test extract
Keywords:
test
  • ​Self-assembly behavior of well-defined polymethylene-block-poly(ethylene glycol) copolymers in aqueous solution
    N. Alkayal, G. Zapsas, P. Bilalis, N. Hadjichristidis
    Polymer, 107, 415, (2016)
Keywords:
Block Copolymer, Polyethylene, Polyhomologation, Self-assembly
  • Well-Defined Cyclic Triblock Terpolymers: A Missing Piece of the Morphology Puzzle
    G. Polymeropoulos, P. Bilalis and N. Hadjichristidis
    ACS Macro Lett. 5, 1242, (2016)
Keywords:
Cyclic, Triblock Terpolymers, Glaser Coupling Reaction
  • ​Metal-Free Alternating Copolymerization of CO2 with Epoxides: Fulfilling “Green” Synthesis and Activity
    D. Zhang, S. K. Boopathi, N. Hadjichristidis, Y. Gnanou, and X. Feng.
    JACS, 138, 11117, (2016)
Keywords:
Polycarbnates, Metal-free Copolymerization, Cyclohexene oxide
  • Branch Point Withdrawal in Elongational Startup Flow by Time-Resolved Small Angle Neutron Scattering
    N. Ruocco, D. Auhl, C. Bailly, P. Lindner, W. Pyckhout-Hintzen, A. Wischnewski, L. G. Leal, N. Hadjichristidis and D. Richter
    Macromolecules, 49,4330, (2016)
Keywords:
Polyisoprene, Small Angle Neutron Scattering, Dendritic Polymers
  • ​Artificial Membranes with Selective Nanochannels for Protein Transport
    B. Sutisna, G. Polymeropoulos, E. Mygiakis, V Musteata, K.V. Peinemann, D.M. Smilgies, N. Hadjichristidis, S.P. Nunes
    Polym. Chem. 7, 6189, (2016)
Keywords:
Membranes, Nanochannles, Protein Transport, Block Copolymers
  • ​Quantification of interaction and topological parameters of polyisoprene star polymers under good solvent conditions
    D. Rai, G. Beaucage, K. Ratkanthwar, P. Beaucage, R. Ramachandran and N. Hadjichristidis
    PHYSICAL REVIEW E 93, 052501 (2016)
Keywords:
Branched Fractal Structures, Star Polymer, Topological Parameters
  • ​Synthesis, Characterization and Self-Assembly of Well-Defined Linear Heptablock Quaterpolymers
    C. Ntaras, G. Polymeropoulos, G. Zapsas, K. Ntetsikas, G. Liontos, A. Karanastasis, D. Moschovas, S. Rangou, C.S Sloan, N. Hadjichristidis, E. L. Thomas, A. Avgeropoulos.
    J. Pol. Scince, Part B: 54, 1443, (2016)
Keywords:
Anionic polymerization, Chlorosilane chemistry, Hydrosilylation, Miscibility, Self-assembly
  • Viscoelasticity and nonlinear simple shear flow behavior of an entangled asymmetric exact comb polymer solution

    F. Snijkers, K. M. Kirkwood, D. Vlassopoulos, L. G. Leal, N. Hadjichristidis, S. Coppola

    J. Rheol. 60(3), 451, (2016)

Keywords:
Polubutadiene, Shear Flows, Linear Viscoelasticity
  • ​Synthesis of Well-Defined Polyethylene-Based 3‑Miktoarm Star Copolymers and Terpolymers
    Z. Zhang, M. Altaher, H. Zhang, D. Wang, N. Hadjichristidis
    Macromolecules, 49, 2630, (2016)
Keywords:
Cycilc Hydroboration, PE-based miktoarm stars, Polyhomologation
  • ​Lithium-Assisted Copolymerization of CO2/Cyclohexene Oxide: A Novel and Straightforward Route to Polycarbonates and Related Block Copolymers
    D. Zhang, H. Zhang, N. Hadjichristidis, Y. Gnanou, X. Feng
    Macromolecules,49, 2484, (2016)
Keywords:
Polycarbonates, Block copolymer, Triisobutylaluminum
  • ​Diblock Copolymers of Polystyrene-b-Poly(1,3-cyclohexadiene) Exhibiting Unique Three-Phase Microdomain Morphologies

    K. Misichronis, J. Chen, J. Kahk, A. Imel, M. Dadmun, K. Hong, N. Hadjichristidis, J. Mays, A. Avgeropoulos

    J. Pol. Science, Part B: 54, 1564, (2016)

Keywords:
anionic polymerization; diblock copolymers; differential scanning calorimetry (DSC); TEM; SAXS
  • ​Boron-Catalyzed C3-Polymerization of ω‑2-Methyl Allylarsonium Ylide and Its C3/C1 Copolymers with Dimethylsulfoxonium Methylide
    D. Wang, Z. Zhang, N. Hadjichristidis
    ACS Macro Lett., 5, 387, (2016)
Keywords:
ω-2-Methyl Allylarsonium Ylide, C3/C1 Polymerization, Methylide
  • ​Well-Defined Bilayered Molecular Cobrushes with Internal Polyethylene Blocks and ω‑Hydroxyl-Functionalized Polyethylene Homobrushes
    H. Zhang, N. Hadjichristidis
    Macromolecules, 49, 1590, (2016)
Keywords:
Polyethylene, Cobrushes, Hydroboration, Polyhomologation
  • ​Well-defined 4-arm stars with hydroxy-terminated polyethylene, polyethylene-b-polycaprolactoneand polyethylene-b-(polymethyl methacrylate)2 arms
    Z. Zhang, Y. Gnanou, N. Hadjichristidis
    Polym. Chem, 7, 5507, (2016)
Keywords:
Polyethylene, Star Polymer, Atom Trasnfer Radical Polymerization, Ring Opening Polymerization
  • ​Cs2CO3-promoted polycondensation of CO2 with diols and dihalides for the synthesis of miscellaneous polycarbonates
    Z. Chen, N. Hadjichristidis, X. Feng Y. Gnanou
    Polym. Chem., 7, 4944, (2016)
Keywords:
Polycarbonates, Polycondensation, Diols, Dihalides
  • ​Design of block copolymer membranes using segregation strength trend lines
    B. Sutisna, G. Polymeropoulos, V. Musteata, K-V Peinemann, A.  Avgeropoulos, D-M. Smilgies, N. Hadjichristidis, S. P. Nunes
    Mol. Syst. Des. Eng., 1, 278, (2016)
Keywords:
Block Copolymer Membranes, Porosity, Trend Lines
  • ​One-pot synthesis of well-defined polyether/polyester block copolymers and terpolymersby a highly efficient catalyst switch approach
    H. Alamri, N. Hadjichristidis
    Polym. Chem.,7, 3225, (2016)
Keywords:
One-pot synthesis, Block copolymers, Terpolymers, Ring Opening Polymerization
  • ​Well-defined polyethylene-based graft terpolymers by combining nitroxide-mediated radical polymerization, polyhomologation and azide/alkyne “click” chemistry
    N. Alkayal, H. Durmaz, U. Tunca, N. Hadjichristidis
    Polym. Chem., 7, 2986, (2016)
Keywords:
Polyhomologation, Nitroxide Mediate Polymerization, Graft Polymers
  • Ring opening metathesis polymerization of cyclopentene using a ruthenium catalyst confined by a branched polymer architecture

    C. Mugemana, K. Bukhryakov, O. Bertrand, K. Vu, J-F Gohy, N. Hadjichristidis, V. Rodionov

    Polym. Chem., 7, 2923, (2016)

Keywords:
Ring Opening Metathesis Polymerization, Branched Architectures, Cyclopenene
  • ​Well-defined (co)polypeptides bearing pendant alkyne groups
    W. Zhao, Y. Gnanou, N. Hadjichristidis
    Polym. Chem., 7,3487, (2016)
Keywords:
Polypeptides, Ring Opening Poymerization, AB Triblock, AB Star Diblock Copolymer, Linear and star Random Copolypeptides
  • ​Sequential crystallization and morphology of triple crystalline biodegradable PEO-b-PCL-b-PLLA triblock terpolymers
    J. Palacios, A. Mugica, M. Zubitur,b A. Iturrospe, A. Arbe, G. Liu,d D. Wang,d J.P Zhao, N. Hadjichristidis, A.J. Muller
    RSC. Advances, 6, 4739, (2016)
Keywords:
Sequential Crystallization, Triblock Terpolymer,
  • ​Living cationic polymerization and polyhomologation: an ideal combination tosynthesize functionalized polyethylene–polyisobutylene block copolyme
    H. Zhang, S. Banerjee, R. Faust, N. Hadjichristidis
    Polymer Chemistry, 7, 1217–1220, (2016)
Keywords:
Polyhomologation, Cationic Polymerization
  • Synthesis and Self-Assembly of Amphiphilic Triblock Terpolymers with Complex Macromolecular Architecture
    G.Polymeropoulos, G. Zapsas, N. Hadjichristidis, A. Avgeropoulos 
    ACS Macro Lett. 4, 1392−1397, (2015)
    ​​​
Keywords:
Self-assembly, Atom Transfer Radical Polymerization, Anionic polymerization, Dynamic Light Scattering
  • ​Polymerization of 5-alkyl delta-lactones catalyzed by diphenyl phosphate and their sequential organocatalytic polymerization with monosubstituted epoxides 
    Z. Junpeng, N. Hadjichristidis
    Polym. Chem. 6, 2659, (2015)                                                             

Keywords:
Ring-opening polymerization (ROP) reactions of three renewable 5-alkyl delta-lactones,namely delta-hexalactone
  • Determination of the interaction parameter and topological scaling features of symmetric star polymers in dilute solution
    Durgesh K. Rai, Gregory Beaucage, Kedar Ratkanthwar, Peter Beaucage, Ramnath Ramachandran, Nikos Hadjichristidis
    Phys. Rev. E 92, (2015)
Keywords:
Star polymers provide model architectures to understand the dynamic and rheological effects of chain confinement for a range of complex topological structures like branched polymers, colloids, and micelles
  • ​Determination of the interaction parameter and topological scaling features of symmetric star polymers in dilute solution
    Durgesh K. Rai, Gregory Beaucage, Kedar Ratkanthwar, Peter Beaucage, Ramnath Ramachandran, and Nikos Hadjichristidis
    DOI: 10.1103/PhysRevE.92.012602
Keywords:
ANGLE NEUTRON-SCATTERING; SELF-ASSEMBLING BEHAVIOR; THERMODYNAMIC PROPERTIES; ANIONIC-POLYMERIZATION; SEMIDILUTE SOLUTIONS; SHAPED POLYMERS; DRUG-DELIVERY; POLYETHYLENE; DEPENDENCE; CONFORMATIONS
  • ​Well-defined polymethylene-based block co/terpolymers by combining anthracene/maleimide diels–alder reaction with
    polyhomologation
    Nazeeha Alkayala and Nikos Hadjichristidis*
    Polym. Chem. 2015, 6, 4921
Keywords:
A novel strategy towards well-defined polymethylene-based co/terpolymers
  • Organocatalysis by hydrogen-bonding: a new approach to controlled/living polymerization of
    α-amino acid N-carboxyanhydrides
    Wei Zhao, Yves Gnanou and Nikos Hadjichristidis*
    Polym. Chem., 2015, 6, 6139
Keywords:
Based on hydrogen-bonding organocatalysis
  • Well-Defined Polyethylene-Based Random, Block, and Bilayered Molecular Cobrushes


    Hefeng Zhang, Zhen Zhang, Yves Gnanou and Nikos Hadjichristidis*

    Macromolecules 2015, 48, 3556
Keywords:
Novel well-defined polyethylene-based random
  • Polyhomologation based on in situ generated Boron-thexyl-silaboracyclic initiating sites: a novel strategy towards the synthesis of polyethylene-based complex architectures
    Z. Zhang, H. Zhang, Y. Gnanoua, N. Hadjichristidis
    Chem. Commun., 2015,51, 9936
Keywords:
Boron-thexyl-silaboracyclic initiating sites, Polyethylene-based complex architectures
  • Fast and living ring-opening polymerization of α-Amino acid N-carboxyanhydrides triggered by an “alliance” of primary and secondary amines at room temperature
    W. Zhao, Y. Gnanou, N. Hadjichristidis
    Biomacromolecules, 2015,16 ,1352
Keywords:
Ring-Opening Polymerization, α-Amino Acid N-Carboxyanhydrides
  • From competition to cooperation: a highly efficient strategy towards well-defined (co)polypeptides
    W. Zhao, Y. Gnanou, N. Hadjichristidis
    Chem. Commun., 2015,51, 3663
Keywords:
Acid anhydride, Amine, Ethylenediamine, Monomer, Polypeptide, Tertiary amine
  • Triblock and pentablock terpolymers by sequential base-assisted living cationic copolymerization of functionalized vinyl ethers
    H. Bouchekif,  A.I. Sulhami,   R.D. Alghamdi,   Y. Gnanou and   N. Hadjichristidis
    Polym. Chem., 2015, 6, 1236
Keywords:
Acetic acid, Aluminum, Block copolymers, Copolymers, Dichloromethane, Differential scanning calorimetry, Ethers, Ethylene, Ethylene glycol, Gelation, Hexane, Homopolymerization
  • Molecular rheology of branched polymers: decoding and exploring the role of architectural dispersity through a synergy of anionic synthesis, interaction chromatography, rheometry and modeling
    E. van Ruymbeke, H. Lee, T. Chang, A. Nikopoulou, N. Hadjichristidis, F. Snijkers and D. Vlassopoulos
    Soft Matter, Volume 10, Issue 27, Pages 4762-4777, (2014)​
Keywords:
Characterization, Chromatography, Elasticity, Molecular structure, Statistical mechanics
  • Understanding constraint release in star/linear polymer blends
    M.E. Shivokhin, E.V. Ruymbeke, C. Bailly, D. Kouloumasis, N. Hadjichristidis, A.E. Likhtman
    Macromolecules, Volume 47, Issue 7, Pages 2451-2463, (2014)​
Keywords:
Chains, Stars, Stochastic models, Stress relaxation, Analytical equations, Constraint release, Friction coefficients, Relaxation dynamics, Relaxation functions, Relaxation mechanism, Relaxation zone, Topological constraints
  • ​ Sequential polymerization of ethylene oxide, ε-caprolactone and L-lactide: a one-pot metal-free route to tri- and pentablock terpolymers
    J. Zhao, D. Pahovnik, Y. Gnanou and N. Hadjichristidis
    Polymer Chemistry, Volume 5, Issue 12, Pages 3750-3753, (2014)​
Keywords:
Polymerization, 3 phenyl 1 propanols, Caprolactone, Ethylene oxides, L-lactide, One pot, Phosphazene base, Sequential polymerization, Triblocks
  • A "catalyst switch" strategy for the sequential metal-free polymerization of epoxides and cyclic esters/carbonate
    J. Zhao, D. Pahovnik, Y. Gnanou, N. Hadjichristidis
    Macromolecules, Volume 47, Issue 12, Pages 3814-3822, (2014) ​
Keywords:
Block copolymers, Catalysts, Esters, Ethers, Cyclic carbonates, Ethylene oxides, Metal-free synthesis, Organic catalysts, Phosphazene base, Polyether chains, Sequential polymerization, Trimethylene carbonate
  • Phosphazene-​catalyzed ring-​opening polymerization of ε-​caprolactone: influence of solvents and initiators
    H. Alamri, J. Zhao, D. Pahovnik, N. Hadjichristidis
    Polymer Chemistry, Volume 5, Issue 18, Pages 5471-5478, (2014)
Keywords:
Catalysis, Dichloromethane, Organic polymers, Organic solvents, Solvents, Different solvents, Fast polymerization, Phosphazene base, Polymerization rates, Primary alcohols, Room temperature, Secondary alcohols, Tetra-hydrofuran
  • ​Well-​defined polyethylene molecular brushes by polyhomologation and ring opening metathesis polymerization
    H. Zhang, Y. Gnanou and N. Hadjichristidis
    Polymer Chemistry, 5, 6431-6434, (2014)
Keywords:
Polymers
  • One-pot synthesis of linear- and three-arm star-tetrablock quarterpolymers via sequential metal-free ring-opening polymerization using a "catalyst switch" strategy
    J. Zhao, D. Pahovnik, Y. Gnanou, N. Hadjichristidis
    Journal of Polymer Science, Part A: Polymer Chemistry, (2014)
Keywords:
Block copolymers, Heterocyclic monomers, Organic catalysts, Ring-opening polymerization, Sequential polymerization, Star polymers
  • Sequence-controlled copolymers of 1,2,3,4,5-pentafluorostyrene: mechanistic insight and application to organocatalysis
    J.-P. O'Shea, V. Solovyeva, X. Guo, J. Zhao, N. Hadjichristidis and V. O. Rodionov
    Polymer Chemistry, Volume 5, Issue 3, Pages 698-701, (2014)
Keywords:
2 ,3 ,4 ,5 ,6-pentafluorostyrene, Alternating copolymer, Azide-alkyne cycloaddition, Conventional free-radical polymerization, Hetero-nuclear multiple bond correlations, Monomer reactivity ratios, Organocatalysis, Polymerization initiators
  • Phosphazene-promoted metal-free ring-opening polymerization of ethylene oxide initiated by carboxylic acid
    J. Zhao, D. Pahovnik, Y. Gnanou and N. Hadjichristidis
    Macromolecules, Volume 47, Issue 5, Pages 1693-1698, (2014)
Keywords:
Anionic ring opening polymerization, Biomolecular engineering, Chain growth, Ethylene oxides, Induction periods, Kinetic study, Phosphazene base, Poly (ethylene oxide) (PEO)
  • Phosphazene-promoted anionic polymerization
    J. Zhao, N. Hadjichristidis, Y. Gnanou
    Polimery/Polymers, Volume 59, Issue 1, Pages 49-59, (2014)
Keywords:
Functionalized polymers, Macromolecular architecture, Macromolecular engineering, Metal-free polymerization techniques, Nucleophilicities, Phosphazene base, Phosphazene basis, Situ activation
  • Polymethylene-based copolymers by polyhomologation or by Its combination with controlled/living and living polymerizations
    H. Zhang, N. Alkayal, Y. Gnanou and N. Hadjichristidis
    Macromolecular Rapid Communications, Volume 35, Issue 4, Pages 378-390, (2014)
Keywords:
Controlled/living and living polymerizations, Polyhomologation, Polymethylene-based copolymers
  • Viscosity of Ring Polymer Melts
    R.Pasquino, C. Vasilakopoulos, Y.C. Jeong, H. Lee, S. Rogers, G. Sakellariou, J. Allgaier, A. Takano, A. R. Brás, T.  Chang, S. Gooßen, W. Pyckhout-Hintzen, A. Wischnewski, Nikos Hadjichristidis, D. Richter, M. Rubinstein, D. Vlassopoulos
    ACS Macro Lett. 2013, 2, 874−878​​​​​
Keywords:
Linear Rheolodgy, Polyisoprene, Polystyrene, Polyethylenoxides,
  • Start-up and relaxation of well-characterized comb polymers in simple shear
    F. Snijkers, D. Vlassopoulos, H. Lee, J. Yang, T. Chang, P. Driva, and N. Hadjichristidis
    Journal of Rheology, Volume 57, Issue 4, Pages 1079-1100, (2013)
Keywords:
Comb polymers, Cone partitioned-plate, Entanglements, Shear flow, Start-up stress, Stress relaxation
  • ​Uniaxial extensional rheology of well-characterized comb polymers
    H. Lentzakis, D. Vlassopoulos, D.J. Read, H. Lee, T. Chang, P. Driva and N. Hadjichristidis
    Journal of Rheology, Volume 57, Issue 2, Pages 605-625, (2013)
Keywords:
Comb polymer, Dynamic dilution, Strain hardening, Stretch time, Uniaxial extension
  • Viscosity of ring polymer melts
    R. Pasquino, T.C. Vasilakopoulos, Y.C. Jeong, H. Lee, S. Rogers, G. Sakellariou,  J. Allgaier, A. Takano, A.R. Bras, T. Chang, S. Goossen, W. Pyckhout-Hintzen, A. Wischnewski, N. Hadjichristidis, D. Richter, M. Rubinstein, D. Vlassopoulos
    ACS Macro Letters, Volume 2, Issue 10, Pages 874-878, (2013)​​
Keywords:
Ring polymer melts
  • Microscopic relaxation processes in branched-linear polymer blends by rheo-SANS
    N. Ruocco, L. Dahbi, P. Driva, N. Hadjichristidis, J. Allgaier, A. Radulescu, M. Sharp, P. Lindner, E. Straube, W. Pyckhout-Hintzen, D. Richter
    Macromolecules, Volume 46, Issue 22, Pages 9122-9133, (2013)
Keywords:
Dynamic dilution, Equilibration time, Macroscopic flow, Random phase approximations, Relaxation time spectrum, Scattering data, Second generation, Sensitive probe
  • Synthesis and characterization of well-defined regular star polyisoprenes with 3, 4, 6 and 8 arms
    K.R. Ratkanthwar, N. Hadjichristidis, P. Zubaidha
    Chemistry Journal, Volume 3 Issue 3, (2013)
Keywords:
High vacuum techniques, Star-branched polymers, Star polyisoprene, SEC
  • Anionic polymerization and polyhomologation: an ideal combination to synthesize polyethylene-based block copolymers
    H. Zhang, N. Alkayal, Y. Gnanou, N. Hadjichristidis 
    Chemical Communications, Volume 49, Issue 79, Pages 8952-8954, (2013)
Keywords:
Copolymer, Polyethylene derivative
  • Synthesis and characterization of an exact comb polyisoprene with three branches having the middle branch twice the molecular weight of the other two identical external branches
    K. Ratkanthwar, N. Hadjichristidis, S. L.ee, T. Chang, Z. Pudukulathan, D. Vlassopoulos
    Polymer Chemistry, Volume 4, Issue 23, Pages 5645-5655, (2013)
Keywords:
Anionic site, Chlorosilanes, Double bonds, High vacuum, Synthesis and characterizations, Synthetic approach, Temperature gradient interaction chromatography, Three-branch
  • ​Influence of (1,3-phenylene)bis(3-methyl-1-phenyl pentylidene)dilithium initiator concentration on the modality of polybutadiene
    T.C. Vasilakopoulos and N. Hadjichristidis
    Journal of Polymer Science, Part A: Polymer Chemistry, Volume 51, Issue 4, Pages 824-835, (2013)
Keywords:
Anionic polymerization, bimodality, Ddilithium initiator concentration, Gel permeation chromatography (GPC), High vacuum techniques, Lithium s-butoxide, Polybutadiene
  • Morphologies of ABC triblock terpolymer melts containing poly(cyclohexadiene): effects of conformational asymmetry
    R. Kumar , S.W. Sides , M. Goswami , B.G. Sumpter, K. Hong , X. Wu, T.P. Russell, S.P. Gido , K. Misichronis, S. Rangou, A. Avgeropoulos, T. Tsoukatos, N. Hadjichristidis, F.L. Beyer and J.W. Mays
    Langmuir, Volume 29, Issue 6, Pages 1995-2006, (2013)
Keywords:
ABC triblock, Cyclohexadienes, Group contribution method, Poly (1 , 3cyclohexadiene), Repulsive interactions, Self-consistent-field theory, Small angle X-ray scattering, Solubility parameters, Transmission electron microscopy (TEM), Triblock terpolymers
  • Viscoelasticity, nonlinear shear start-up, and relaxation of entangled star polymers
    F. Snijkers, K. Ratkanthwar, D. Vlassopoulos and N. Hadjichristidis
    Macromolecules, Volume 46, Issue 14, Pages 5702-5713, (2013)
Keywords:
Convective constraint release, Entangled polymers, Entangled star polymers, Experimental errors, Linear relaxations, Linear viscoelastic, Steady shear viscosity, Weissenberg number
  • A facile metal-free grafting-from route from acrylamide-based substrate toward complex macromolecular combs
    J. Zhao, H. Alamri and N. Hadjichristidis
    Chemical Communications, Volume 49, Issue 63, Pages 7079-7081, (2013)
Keywords:
1,2 epoxybutane, Acetic Acid, Acrylamide, Amide, Carbonic acid derivative, Copolymer, Cyclopropane derivative, Epoxide, Ester, Ether, Ethylene oxide, Hydroxyl group, Lactam, Macrogol, Metal, Methacrylic acid, Monomer, Nitroxide, Oxide, Polyacrylamide
  • Double smectic self-assembly in block copolypeptide complexes
    J.S. Haataja, N. Houbenov, H. Iatrou, N. Hadjichristidis, A. Karatzas, C.F.J. Faul, P. Rannou, O. Ikkala
    Biomacromolecules, Volume 13, Issue 11, Pages 3572-3580, (2012)
Keywords:
Alkyl chain, Alternating layers, Amino residue, Block co-polypeptide, Design blocks, Di(2-ethylhexyl)phosphate, L-glutamate, l-Lysine, Length scale, Molecular packings, Polymeric scaffold, Rod-coil, Smectic layers
  • Utility of chromatographic and spectroscopic techniques for a detailed characterization of poly(styrene‑b‑isoprene) miktoarm star copolymers with complex architecture
    T.L. Smigovec, K. Rebolj, D. Pahovnik, N. Hadjichristidis, M. Zigon, and E. Zagar
    Macromolecules, Volume 45, Issue 18, Pages 7574-7582, (2012)
Keywords:
Characterization techniques, Chemical compositions, Chlorosilanes, Complex architectures, MALDI TOF MS, Miktoarm star copolymers, Multidetection, Number of arms, Proton NMR spectroscopy, Reversed phase, Separation and identification, Separation techniques
  • ​Ring opening metathesis polymerization of norbornene and derivatives by the triply bonded ditungsten complex Na[W2(μ-Cl)3Cl4(THF)2]·(THF)3
    G. Floros, N. Saragas, P. Paraskevopoulou, N. Psaroudakis, S. Koinis, M. Pitsikalis, N. Hadjichristidis and K. Mertis
    Polymers, Volume 4, Issue 4, Pages 1658-1673, (2012)
Keywords:
Catalysis, Metal-metal bonds, Norbornenes, Romp, Tungsten
  • Quantification of branching in model three-arm star polyethylene
    R. Ramachandran, G. Beaucage, D.K. Rai, D.J. Lohse, T. Sun, A.H. Tsou, A. Norman and N. Hadjichristidis
    Macromolecules, Volume 45, Issue 2, Pages 1056-1061, (2012)
Keywords:
Branch contents, Branch length, Branched polyethylenes, Branched structures, Hyper-branch, Hyper-branched structures, Side branches, Structure property relationships
  • Side-chain-controlled self-assembly of polystyrene–polypeptide miktoarm star copolymers
    S. Junnila, N. Houbenov, A. Karatzas, N. Hadjichristidis, A. Hirao, H. Iatrou and O. Ikkala
    Macromolecules, Volume 45, Issue 6, Pages 2850-2856, (2012)
Keywords:
Fourier transform infrared (FTIR) spectroscopies, l-Lysine hydrochloride, Length scale, Miktoarm star copolymers, Number of arms, Side-chains, Small- and wide-angle X-ray scatterings, Sodium dodecyl sulfonate, Supramolecular complexes
  • Crystallization behavior of PEO in blends of poly(ethylene oxide)/poly(2-vinyl pyridine)-b-(ethylene oxide) block copolymer
    E. Araneda, A. Leiva, L. Gargallo, N. Hadjichristidis, I. Mondragon, D. Radic
    Polymer Engineering and Science, Volume 52, Issue 5, Pages 1128-1136, (2012)
Keywords:
2-vinyl pyridine, AFM image, Amorphous phase, Crystallization behavior, Degradation temperatures, Ethylene oxides, Isothermal crystallization kinetics, Lamellar crystals, Molecular mobility, Polarized optical microscopy, Poly(2-vinyl pyridine)
  • Hierarchical structures in lamellar hydrogen bonded LC side chain diblock copolymers
    A.J. Soininen, I. Tanionou, N. ten Brummelhuis, H. Schlaad, N. Hadjichristidis, O. Ikkala, J. Raula, R. Mezzenga and J. Ruokolainen
    Macromolecules, Volume 45, Issue 17, Pages 7091-7097, (2012)
Keywords:
2-vinylpyridine, 4-vinylpyridine, Hierarchical structures, Lamellar morphology, Mesogenes, Microphase separated, Microphase-separated structure, Packing mechanisms, Polyvinylpyridine, Side-chains, Single layer, Smectic layers
  • ​Morphologies of poly(cyclohexadiene) diblock copolymers: Effect of conformational asymmetry
    J.W. Mays, R. Kumar, S.W. Sides, M. Goswami, B.G. Sumpter, K. Hong, X. Wu, T.P. Russell, S.P. Gido, A. Avgeropoulos, T. Tsoukatos, N. Hadjichristidis, F.L. Beyer
    Polymer (United Kingdom), Volume 53, Issue 22, Pages 5155-5162, (2012)
Keywords:
Morphology, Poly(cyclohexadiene), Block copolymer
  • High-strain-induced deformation mechanisms in block-graft and multigraft copolymers
    R. Schlegel, Y.X. Duan, R. Weidisch, S. Holzer, K. Schneider, M. Stamm, D. Uhrig, J.W. Mays, G. Heinrich and N. Hadjichristidis
    Macromolecules, Volume 44, Issue 23, Pages 9374-9383, (2011)
Keywords:
Block-graft copolymers, Deformation mechanism, High strains, Long range orders, matrix, Molecular architecture, Monotonic loading, Morphological parameters, Multigraft copolymers, Network chains, PI segment, Polymer chains, Reflection peaks