Browsing Τμήμα Χημείας / Department of Chemistry by Author "Themistou, Efrosyni"
Now showing items 1-11 of 11
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Article
A cleavable network based on crosslinked star polymers containing acid-labile diacetal crosslinks: Synthesis, characterization and hydrolysis
Themistou, Efrosyni; Patrickios, Costas S. (2008)A hydrolyzable model network comprising interconnected star polymers was prepared by the sequential group transfer polymerization of methyl methacrylate and the acid-labile diacetalbased dimethacrylate crosslinker ...
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Article
Degradable polymer networks and star polymers based on mixtures of two cleavable dimethacrylate crosslinkers: Synthesis, characterization, and degradation
Themistou, Efrosyni; Patrickios, Costas S. (2009)Mixtures of two cleavable dimethacrylate crosslinkers, the hydrolyzable di(methacryloyloxy-1-ethoxy)methane (DMOEM) and the thermolyzable 1,1-ethylenediol dimethacrylate (EDDMA), were used for the preparation of neat ...
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Conference Object
Nano-engineered model networks: Synthesis, characterization and modeling
Georgiou, Theoni K.; Themistou, Efrosyni; Triftaridou, Aggeliki I.; Hadjiyannakou, Stella C.; Vamvakaki, Maria; Patrickios, Costas S. (Polymer Preprints ACS, 2002)
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Article
Star polymers and polymer networks containing a novel, hydrolyzable diacetal-based dimethacrylate cross-linker: Synthesis, characterization, and hydrolysis kinetics
Themistou, Efrosyni; Patrickios, Costas S. (2007)A hydrolyzable diacetal dimethacrylate cross-linker, MOEME, was retrieved from the same product mixture where its monoacetal homologue, DMOEM, was synthesized. MOEME was copolymerized with MMA by GTP after purification, ...
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Article
Synthesis and characterization of amphiphilic star copolymers of 2-(dimethylamino)ethyl methacrylate and methyl methacrylate: Effects of architecture and composition
Themistou, Efrosyni; Patrickios, Costas S. (2007)Six amphiphilic star copolymers comprising hydrophilic units of 2-(dimethylamino)ethyl methacrylate (DMAEMA) and hydrophobic units of methyl methacrylate (MMA) were prepared by the sequential group transfer polymerization ...
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Article
Synthesis and characterization of polymer networks and star polymers containing a novel, hydrolyzable acetal-based dimethacrylate cross-linker
Themistou, Efrosyni; Patrickios, Costas S. (2006)An acid-labile dimethacrylate acetal cross-linker, di(methacryloyloxy-1-ethoxy)methane (DMOEM), was synthesized by the reaction of 2-hydroxyethyl methacrylate and paraformaldehyde using p-toluenesulfonic acid and toluene ...
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Article
Synthesis and characterization of star polymers and cross-linked star polymer model networks containing a novel, silicon-based, hydrolyzable cross-linker
Themistou, Efrosyni; Patrickios, Costas S. (2004)An acid-labile dimethacrylate cross-linker, dimethyldi(methacryloyloxy-1-ethoxy)silane (DMDMAES), was synthesized by the reaction of 2-hydroxyethyl methacrylate (HEMA) and dichlorodimethylsilane in the presence of ...
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Article
Synthesis and characterization of star polymers and cross-linked star polymer model networks with cores based on an asymmetric, hydrolyzable dimethacrylate cross-linker
Kafouris, Demetris; Themistou, Efrosyni; Patrickios, Costas S. (2006)A hydrolyzable dimethacrylate cross-linker, 2-methyl-2,4-pentanediol dimethacrylate (MPDMA), was synhesized by the reaction of 2-methyl-2,4-pentanediol and methacryloyl chloride in the presence of triethylamine. This ...
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Article
Thermolyzable polymer networks and star polymers containing a novel, compact, degradable acylal-based dimethacrylate cross-linker: Synthesis, characterization, and thermolysis
Themistou, Efrosyni; Kanari, A.; Patrickios, Costas S. (2007)A compact, cleavable acylal dimethacrylate cross-linker, 1,1-ethylenediol dimethacrylate (EDDMA), was synthesized from the anhydrous iron(III) chloride-catalyzed reaction between methacrylic anhydride and acetaldehyde. The ...
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Article
Three different types of quasi-model networks: Synthesis by group transfer polymerization and characterization
Triftaridou, Aggeliki I.; Kafouris, Demetris; Vamvakaki, Maria; Georgiou, Theoni K.; Krasia‐Christoforou, Theodora; Themistou, Efrosyni; Hadjiantoniou, Natalie A.; Patrickios, Costas S. (2007)Group transfer polymerization (GTP) chemistry was employed for the preparation of polymethacrylate networks of controlled structure (quasi-model networks) of three different types: (a) regular quasi-model networks, in which ...
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Conference Object
Well-defined polymeric structures based on novel degradable cross-linkers
Themistou, Efrosyni; Patrickios, Costas S. (2008)