Showing papers in "Progress in Organic Coatings in 2013"

TL;DR: A review of flame retardant polymeric coatings can be found in this paper, where the authors focus on various approaches in development of flame-retardant coatings on various substrates i.e. incorporation of reactive and non-reactive organic compounds and organic/inorganic compounds (hybrid systems) based on metal, Si, P, N and halogens in suitable polymeric matrices and evaluation of their flame- retardant characteristics using various analytical techniques.

TL;DR: In this article, a transparent-hydrophobic hybrid semi-crystalline SiO 2 -TiO 2 coating was designed for monument conservation, which is transparent, crack-free with a crystallite size of 5nm.

TL;DR: In this article, castor oil-based two hyperbranched polyurethanes (HBPUs) were synthesized via A2+B3 approach using castor oils or monoglyceride of the castor oils as the hydroxyl containing B3 reactant and toluene diisocyanate (TDI) as an A2 reactant along with 1,4-butane diol (BD) as the chain extender and poly(ɛ-caprolactone) diol as a macroglycol.

TL;DR: A series of bio-based polyols with high functionality and low viscosity were synthesized from five different vegetable oils (refined or crude). Their chemical structures and the distribution of oligomers in these polyols (known as Liprol™) were characterized.

TL;DR: In this article, ZnO-polyaniline nanocomposite was mixed with polyvinyl chloride (PVC) through a solution mixing method and the three components PVC/ZnOpolyanILine hybrid material was applied as coating on iron coupon by the solution casting method.

TL;DR: In this article, two types of nanoclays, montmorillonite nanoflakes and halloysite nanotubes, at various concentrations were tested as nanofillers in epoxy powder coatings applied on an aluminum foil and a steel panel.

TL;DR: In this paper, a hydrophobic benzoxazine-cured epoxy coating (EPB) was prepared by a dip coating and thermal curing method using B-TMOS as curing agent, and Fourier transform infrared (FTIR) analyses confirmed the presence of thermal curing reactions and hydrogen bonding interactions in the epoxy/polybenzoxazine system.

TL;DR: In this paper, an epoxy coating containing polyaniline (PANI) and polyaniliine/organophilic montmorillonite powders were prepared on the surface of AZ91D magnesium alloy.

TL;DR: In this article, the preparation of nano-silver containing polyurethane based UV-curable organic-inorganic hybrid coatings that have antibacterial activity is presented, where trimethoxysilane end-capped bis[(4β-hydroxyethoxy)phenyl] methyl phosphine oxide urethane was synthesized as a coupling agent and used to improve the compatibility between the organic and inorganic phases of the hybrid coating.

TL;DR: In this article, a family of acrylate-functional monomers/oligomers derived from epoxidized soybean oil (ESO) and epoxidedized soy-methyl ester (EME), using 2-hydroxyethyl acrylated (HEA) as an acrylating agent were synthesized using super-acid catalyzed etherification.

TL;DR: In this paper, zinc oxide (ZnO) particles prepared via in situ method were treated with cyclic carbonate functional alkoxy silane, which showed significant enhancement in scratch hardness and abrasion resistance along with improvement in other performance properties after addition of treated ZnO particles in nano-composite coating formulations.

TL;DR: In this article, the authors synthesized UV-curable tung oil based resins of GMA-PCDMAT and GMA -ICDMAT via Diels-Alder reaction with maleic anhydride (MA), subsequent nonisocyanate polyurethane (NIPU) reaction with piperazine-1,4-dicarboxylic acid bis-(2-hydroxy-ethyl) ester (PCD) or isophoronediamine-1-4-Dicaroxyl-ethyl es

TL;DR: In this article, a waterborne polyurethane dispersions with polycarbonates of 1,6-hexanediol of different molecular weight (500-3000 Da) and their properties, adhesion (Hatch adhesion) and coatings on stainless steel properties (Pencil hardness, Persoz hardness, gloss at 60°, chemical resistance, yellowness index) were characterized.

TL;DR: In this paper, the PANI ultra-short glass fibers had a significant inhibitive effect and its best volume fraction was 10% in epoxy coating, which indicated that a dense, stable passive oxide film of Fe2O3/Fe3O4 was formed on the steel surface beneath the coating.

TL;DR: In this article, an epoxy terminated polybutadiene (ETPB) was synthesized and utilized to enhance the toughening properties of epoxy resins in both bulk and coating states.

TL;DR: A noble approach based on the encapsulation of amine corrosion inhibitors has been presented in this paper, which are capable of improving the active corrosion protection without negatively influencing the barrier properties of the coating layers.

TL;DR: In this article, the synthesis and characterisation of novel aqueous polyurethane dispersions derived from rapeseed oil are investigated, where Dimethylolpropionic acid (DMPA) as internal emulsifier was used to incorporate hydrophilic groups into the polymer chain to achieve stable self-emulsifying dispersions.

TL;DR: In this paper, a low infrared-emissivity coating was prepared using modified Al powder and polyurethane as metallic pigment and adhesive, which was measured by an infrared emissometer.

TL;DR: In this article, a series of novel methacrylated and phosphorylated epoxidized soybean oil/silica coating materials were prepared from tetraethoxysilane (TEOS), and acrylated soybeanoil via sol-gel technique.

TL;DR: The nano-ZnO-based composite coatings were applied on standard phosphated steel panels by cathodic electrodeposited nano-composite coatings and were then baked for 20min at 165°C as mentioned in this paper.

TL;DR: In this article, the effects of inorganic fillers on the fire retardant performance of waterborne intumescent coatings are investigated by thermogravimetry (TG), capillary rheometer, X-ray diffraction spectroscopy (XRD) and fire retardants test, etc.

TL;DR: In this article, the effect of various micro and nano-sized particles on the mechanical and adhesion properties of a commercial non-pigmented polyester-TGIC powder coating was studied.

TL;DR: In this article, a series of waterborne fluorinated polyurethane-acrylate (WFPUA) materials were prepared from polyester polyol (NJ-330), isophorone diisocyanate (IPDI), dimethylol propionic acid (DMPA) and different content of hexafluorobutyl acrylate.

TL;DR: In this paper, a fluorinated urethane-acrylate (FUA) monomer was firstly prepared based on isophorone diisocyanate (IPDI), 3,5-bis(perfluorobenzyl)oxy benzyl alcohol (FOH) and 2-hydroxyethyl methacryl (HEMA) via in situ method.

TL;DR: In this article, three non-isocyanate urethane dimethacrylate reactive diluents 2-(metha-loyloxy)ethyl 2-(maetha)-loylsoxy)propyl carbamate (POAED), POAED, and POAPD were synthesized by the reaction of a cyclic carbonate with an amino alcohol followed by a second reaction with the methacrylic anhydride.

TL;DR: In this paper, a superhydrophobic fluoropolysiloxane/TiO 2 nanocomposite coatings were prepared simply by blending a hydrophobic binder with TiO 2 nanoparticles.

TL;DR: In this article, the effects of treatment conditions, such as: pH, time, silane and water amounts on the surface modification of silica nanoparticles were evaluated using FTIR, TGA and TEM techniques.

TL;DR: In this article, the photochemically curable polymer films were prepared by addition of 2,2-dimethyl-2-hydroxyacetophenone (Darocure 1173) as a radical initiator to aliphatic urethane tetraacrylate Craynor 925.

TL;DR: In this paper, an acrylic-based polymer was prepared by free-radical copolymerization of two monomers widely used for coatings, namely 2-ethylhexylacrylate (EHA) and glycidyl methacrylated (GMA) bearing epoxy moieties, in which silica nanoparticles were incorporated by in situ acid hydrolysis and subsequent condensation of tetraethoxysilane (TEOS).

TL;DR: In this paper, the correlation between structural properties and corrosion protection efficiency was studied as a function of the molar ratio of nanotubes carbon to silicon, varied in the range between 0.1% and 5%.