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Browsing by Subject "Block copolymers"

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    • Article  

      2-(Pyridin-2-yl)ethanol as a protecting group for carboxylic acids: Chemical and thermal cleavage, and conversion of poly[2-(pyridin-2-yl)ethyl methacrylate] to poly(methacrylic acid) 

      Elladiou, Marios; Patrickios, Costas S. (2012)
      In this communication, we show that 2-(pyridin-2-yl)ethanol is a good protecting group for methacrylic acid (MAA), which can be selectively removed, after polymerization, either chemically under alkaline conditions or ...

    • Article  

      ABA triblock copolymer-based model networks in the bulk: Effect of the number of arms on microphase behavior 

      Karbarz, M.; Stojek, Z.; Patrickios, Costas S. (2005)
      The microphase separation behavior in the strong segregation limit of model networks based on cross-linked ABA triblock copolymers in the bulk was investigated by calculating analytically the Gibbs free energies of the ...

    • Article  

      ABC triblock polymethacrylates: Group transfer polymerization synthesis of the ABC, ACB, and BAC topological isomers and solution characterization 

      Patrickios, Costas S.; Lowe, A. B.; Armes, S. P.; Billingham, N. C. (1998)
      ABC triblock copolymers of methyl methacrylate (MMA), (dimethylamino)-ethyl methacrylate (DMAEMA), and tetrahydropyranyl methacrylate (THPMA) consisting of 12 units of each type of monomer were synthesized by group transfer ...

    • Article  

      Alternating amphiphilic multiblock copolymers: Controlled synthesis via RAFT polymerization and aqueous solution characterization 

      Hadjiantoniou, N. A.; Krasia-Christoforou, T.; Loizou, E.; Porcar, L.; Patrickios, C. S. (2010)
      Four linear amphiphilic multiblock copolymers based on 2-(dimethylamino) ethyl methacrylate (DMAEMA, hydrophilic) and methyl methacrylate (MMA, hydrophobic), bearing from two to five blocks, were synthesized using reversible ...

    • Article  

      Alternating amphiphilic multiblock copolymers: Controlled synthesis via RAFT polymerization and aqueous solution characterization 

      Hadjiantoniou, Natalie A.; Krasia‐Christoforou, Theodora; Loizou, Elena; Porcar, L.; Patrickios, Costas S. (2010)
      Four linear amphiphilic multiblock copolymers based on 2-(dimethylamino) ethyl methacrylate (DMAEMA, hydrophilic) and methyl methacrylate (MMA, hydrophobic), bearing from two to five blocks, were synthesized using reversible ...

    • Article  

      Amphiphilic model conetworks based on combinations of methacrylate, acrylate, and styrenic units: Synthesis by RAFT radical polymerization and characterization of the swelling behavior 

      Achilleos, Mariliz; Krasia‐Christoforou, Theodora; Patrickios, Costas S. (2007)
      Reversible addition-fragmentation chain transfer (RAFT) polymerization was employed for the preparation of homopolymer and copolymer (co)networks based on four monomer units, belonging to three monomer types: methacrylates, ...

    • Article  

      Amphiphilic model conetworks based on combinations of methacrylate, acrylate, and styrenic units: Synthesis by RAFT radical polymerization and characterization of the swelling behavior 

      Achilleos, M.; Krasia-Christoforou, T.; Patrickios, C. S. (2007)
      Reversible addition-fragmentation chain transfer (RAFT) polymerization was employed for the preparation of homopolymer and copolymer (co)networks based on four monomer units, belonging to three monomer types: methacrylates, ...

    • Article  

      Amphiphilic Polymer Conetworks Based on Interconnected Hydrophobic Star Block Copolymers: Synthesis and Characterization 

      Kepola, Eleni J.; Kyriacou, Kyriacos C.; Patrickios, Costas S.; Simon, Miriam; Gradzielski, M.; Kushnir, M.; Wesdemiotis, Chrystostomos (2017)
      Herein we report on the preparation and structural characterization of six amphiphilic polymer conetworks (APCN) based on end-linked amphiphilic “core-first” star block copolymers, comprising methyl methacrylate and ...

    • Article  

      Cationic amphiphilic model networks based on symmetrical ABCBA pentablock terpolymers: Synthesis, characterization, and modelling 

      Triftaridou, Aggeliki I.; Vamvakaki, Maria; Patrickios, Costas S. (2007)
      Eight isomeric networks based on equimolar terpolymers were synthesized using group transfer polymerization (GTP) and were characterized in terms of their swelling properties. Two hydrophilic monomers, the nonionic methoxy ...

    • Article  

      Cationic double-hydrophilic model networks: Synthesis, characterization, modeling and protein adsorption studies 

      Loizou, Elena; Triftaridou, Aggeliki I.; Georgiou, Theoni K.; Vamvakaki, Maria; Patrickios, Costas S. (2003)
      Group transfer polymerization (GTP) was used for the preparation of eight networks based on two hydrophilic monomers, 2-(dimethylamino)ethyl methacrylate (DMAEMA) and poly(ethylene glycol) methacrylate (PEGMA). Ethylene ...

    • Article  

      Cationic telechelic polyelectrolytes: Synthesis by group transfer polymerization and self-organization in aqueous media 

      Gotzamanis, G. T.; Tsitsilianis, C.; Hadjiyannakou, Stella C.; Patrickios, Costas S.; Lupitskyy, R.; Minko, S. (2006)
      ABA triblock copolymers comprising a relative long poly(2-(dimethylamino) ethyl methacrylate) end-capped by short poly(methyl methacrylate) blocks (PMMA-b-PDMAEMA-b-PMMA) were synthesized using group transfer polymerization ...

    • Article  

      Covalent amphiphilic polymer networks 

      Patrickios, Costas S.; Georgiou, Theoni K. (2003)
      The recent literature on chemically cross-linked amphiphilic polymer networks is reviewed. The main subjects covered are network synthesis, characterization, modeling and applications. Special mention is made to more modern ...

    • Article  

      Degradable amphiphilic end-linked conetworks with aqueous degradation rates determined by polymer topology 

      Rikkou-Kalourkoti, Maria D.; Loizou, Elena; Porcar, L.; Butler, P.; Patrickios, Costas S. (2009)
      Degradable amphiphilic conetworks, based on end-linked amphiphilic ABA triblock copolymers with a labile fragment in the middle, were synthesized by sequential group transfer polymerization (GTP) of monomers and cross-linker, ...

    • Article  

      Diblock, ABC Triblock, and Random Methacrylic Polyampholytes: Synthesis by Group Transfer Polymerization and Solution Behavior 

      Patrickios, Costas S.; Hertler, Walter R.; Abbott, Nicholas L.; Hatton, T. Alan (1994)
      Water-soluble, low-polydispersity, low-molecular-weight random, AB diblock, and ABC triblock polymers of methacrylic acid (MAA), 2- (dimethylamino) ethyl methacrylate (DMAEMA), methyl methacrylate (MMA) and 2-phenylethyl ...

    • Article  

      Double Networks Based on Amphiphilic Cross-Linked Star Block Copolymer First Conetworks and Randomly Cross-Linked Hydrophilic Second Networks 

      Rikkou-Kalourkoti, Maria D.; Kitiri, E. N.; Patrickios, Costas S.; Leontidis, Epameinondas; Constantinou, Martha; Constantinides, G.; Zhang, X. K.; Papadakis, Christine M. (2016)
      This study presents the preparation and characterization of double networks (DN) based on a first amphiphilic polymethacrylate conetwork (APCN) and a second polyacrylamide network. The APCN first network comprised ...

    • Article  

      End-linked amphiphilic polymer conetworks: synthesis by sequential atom transfer radical polymerization and swelling characterization 

      Rikkou-Kalourkoti, Maria D.; Kolokasi, Maria; Matyjaszewski, K.; Patrickios, Costas S. (2010)
      Conetworks based on end-linked homopolymers and amphophilic gradient copolymers were synthesized by the atom transfer radical polymerization (ATRP) of 2-(dimethylamino)ethyl methaerylate (DMAEMA, hydrophilic monomer), ...

    • Article  

      End-linked semifluorinated amphiphilic polymer conetworks: Synthesis by sequential reversible addition - Fragmentation chain transfer polymerization and characterization 

      Pafiti, Kyriaki S.; Loizou, Elena; Patrickios, Costas S.; Porcar, L. (2010)
      One-pot, sequential reversible addition - fragmentation chain transfer (RAFT) polymerization was employed for the preparation of five end-linked semifluorinated amphiphilic polymer conetworks based on 2,2,2-trifluoroethyl ...

    • Article  

      Group transfer polymerization of biobased monomers 

      Kassi, Eleni; Constantinou, Michalis S.; Patrickios, Costas S. (2013)
      This article overviews the work by our Group at the University of Cyprus on the attempted controlled polymerization of several biobased unsaturated esters. These were esters of tiglic acid, itaconic acid, fumaric acid, ...

    • Article  

      Mechanical properties of structurally-defined magnetoactive polymer (co)networks 

      Mpekris, F.; Achilleos, M.; Vasile, E.; Vasile, E.; Krasia-Christoforou, T.; Stylianopoulos, T. (2015)
      The mechanical properties of structurally-defined magnetoactive polymer (co)networks synthesized from well-defined poly(2-dimethylamino)ethyl methacrylate (poly(DMAEMA)) homopolymers and diblock copolymers of poly(DMAEMA) ...

    • Article  

      Microphase separation in ABA triblock copolymer-based model conetworks in the bulk: Effect of loop formation 

      Karbarz, M.; Stojek, Z.; Georgiou, Theoni K.; Patrickios, Costas S. (2006)
      This work estimates the free energy and domain size and predicts the phase diagram of microphase-separated model polymer conetworks, consisting of end-linked ABA triblock copolymers with cross-link points of relatively low ...

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