Search Results - "Spirkova, Milena"
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Nanocomposites made from thermoplastic waterborne polyurethane and colloidal silica. The influence of nanosilica type and amount on the functional properties
Published in Progress in organic coatings (01-12-2016)“…[Display omitted] •Novel nanocomposite coatings based on polyurethane/colloidal silica water dispersions were prepared.•The influence of commercial silica type…”
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Montmorillonite/poly(urethane-siloxane) nanocomposites: Morphological, thermal, mechanical and surface properties
Published in Applied clay science (01-12-2017)“…The aim of this work was to prepare and characterize the series of segmented polyurethane nanocomposites (PUNC) modified with poly(dimethylsiloxane) and based…”
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Mechanically strong waterborne poly(urethane‐urea) films and nanocomposite films
Published in Journal of applied polymer science (15-03-2021)“…A series of transparent waterborne poly(urethane‐urea) (PUU) films and nanocomposite films were prepared using isocyanate excess (5–50 mol% excess relative to…”
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Adjustable self-assembly in polystyrene-block-poly(4-vinylpyridine) dip-coated thin films
Published in Polymer (Guilford) (26-08-2019)“…This work studies the influence of dip-coating parameters on self-assembly in ultra-thin films of asymmetric polystyrene-block-poly(4-vinylpyridine)…”
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The waterborne polyurethane dispersions based on polycarbonate diol: Effect of ionic content
Published in Materials chemistry and physics (15-02-2013)“…Three water-based polyurethane dispersions (PUD) were synthesized by modified dispersing procedure using polycarbonate diol (PCD), isophorone diisocyanate…”
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Morphology, Micromechanical, and Macromechanical Properties of Novel Waterborne Poly(urethane-urea)/Silica Nanocomposites
Published in Materials (21-02-2023)“…Morphology, macro-, and micromechanical properties of novel poly(urethane-urea)/silica nanocomposites were analyzed by electron microscopy, dynamic mechanical…”
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Hydrolytic stability of polycarbonate-based polyurethane elastomers tested in physiologically simulated conditions
Published in Polymer degradation and stability (01-09-2015)“…The hydrolytic stability of all-aliphatic polyurethane (PU) films made from polycarbonate-based aliphatic macrodiols (MD), diisocyanate-1,6-hexane and…”
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Novel polyurethane network/organoclay nanocomposites: Microstructure and physicochemical properties
Published in Progress in organic coatings (01-02-2022)“…A series of novel polyurethane network/organoclay nanocomposites (PUN-NCs) with different soft segment contents (30–60 wt%) was prepared by in situ…”
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Novel polycarbonate-based polyurethane elastomers: Composition–property relationship
Published in European polymer journal (01-05-2011)“…TEM microphotographs of polyurethane elastomers made from polycarbonate diol, hexamethylene diisocyanate and 1,4-butanediol; without any additive (left), and…”
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Structure—Functional property relationship of aliphatic polyurethane-silica hybrid films
Published in Progress in organic coatings (01-01-2019)“…•The addition of 1 and 2 wt% SiO2 improves mechanical properties of PU films.•All composite films show increased thermal stability compared to pure…”
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Influence of the Organoclay Content on the Structure, Morphology, and Surface Related Properties of Novel Poly(dimethylsiloxane)-Based Polyurethane/Organoclay Nanocomposites
Published in Industrial & engineering chemistry research (03-05-2017)“…Novel poly(dimethylsiloxane)-based polyurethane nanocomposites (TPU-NCs) were synthesized using in situ polymerization with the nanoclay Cloisite 30B…”
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Structure and stability of thin polyaniline films deposited in situ on silicon and gold during precipitation and dispersion polymerization of aniline hydrochloride
Published in Thin solid films (01-07-2011)“…Fresh and one-year-old thin polyaniline films prepared during the in-situ precipitation and dispersion polymerizations of aniline hydrochloride on gold and…”
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The influence of ZnO nanoparticles on thermal and mechanical behavior of polycarbonate-based polyurethane composites
Published in Composites. Part B, Engineering (01-04-2014)“…In this work a series of thermoplastic polycarbonate-based polyurethane (PC-PU) nanocomposites were prepared by addition of ZnO nanoparticles (0.5, 1 and…”
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Novel waterborne poly(urethane‐urea)/silica nanocomposites
Published in Polymer composites (01-10-2020)“…A series of novel transparent mechanically strong waterborne poly(urethane‐urea)/silica nanocomposites were prepared by mixing a waterborne poly(urethane‐urea)…”
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The effect of TiO2 particles on thermal properties of polycarbonate-based polyurethane nanocomposite films
Published in Journal of thermal analysis and calorimetry (01-11-2019)“…In this work, aliphatic starting reactants were used to prepare a series of polycarbonate-based polyurethane (PC-PU) nanocomposite films with a low amount of…”
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The effects of the structure and molecular weight of the macrodiol on the properties polyurethane anionic adhesives
Published in International journal of adhesion and adhesives (01-03-2013)“…Polyurethane anionic adhesives were synthesized as waterborne polyurethane dispersions (PUDs) by modified dispersing procedure, using isophorone diisocyanate,…”
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Stabilization of aqueous dispersions of poly(methacrylic acid)-coated iron oxide nanoparticles by double hydrophilic block polyelectrolyte poly(ethylene oxide)-block-poly(N-methyl-2-vinylpyridinium iodide)
Published in Colloids and surfaces. A, Physicochemical and engineering aspects (05-02-2017)“…[Display omitted] •PMAA coated at SPIONs forms interpolyelectrolyte complex with PEO-QP2VP.•The PEO-QP2VP layer at PMAA@SPIONs suppresses formation of small…”
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Recyclable polyurethane/nanoclay films
Published in Polymer composites (01-10-2019)“…A series of polyurethane (PU)/clay nanocomposite films was prepared by adding natural bentonite Cloisite® Na+ powders to waterborne polyurethane dispersions…”
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Microstructure and properties of poly(urethane-siloxane)s based on hyperbranched polyester of the fourth pseudo generation
Published in Progress in organic coatings (01-04-2013)“…[Display omitted] ► Preparation of polyurethane networks based on PDMS and two hyperbranched polyesters. ► The structure–property relationships were…”
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The effect of pre-set extension on the degree of hydrolytic degradation in multicomponent polyurethane elastomers
Published in Polymer degradation and stability (01-08-2017)“…The impact of pre-set extension on the degree of hydrolytic degradation in all-aliphatic polyurethane (PU) films was tested in phosphate-buffered saline (PBS)…”
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