The effect of pH between 7.5-10.5, for 5 and 6.42% aq. Wyoming bentonite dispersions and of NaCl for 2, 5, and 6.42% of Wyoming-bentonite in water for a range of salt concns. up to 1.0 M was …
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Common latex coatings suffer from poor water resistance, which often limits their practical application. This paper reports on the preparation of polyacrylate latexes using various approaches to tune the water resistance, wettability, and surface properties of their coating films. The mutual effects of fluorinated monomer copolymerization, …
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The effect of modified bentonites on the thixotropic properties of coating materials and their resistance against mold fungi settlement July 2013 Polimery -Warsaw- 58(7/8):562-568
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Polyurethane thickener molecules also have hydrophilic and hydrophobic groups, hydrophobic groups and coating the substrate has a strong affinity, can enhance the water resistance of the coating. As the latex particles involved in the association, it will not produce flocculation, which can make the coating smooth, with high gloss.
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Feature papers represent the most advanced research with significant potential for high impact in the field. A Feature Paper should be a substantial original Article that involves several techniques or …
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The water absorption of bentonite concrete increased with temperature irrespective of the percentage replacement of cement by bentonite. The increase was attributed to the improved microstructure …
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The effect of Wollastonite and Bentonite on intumescent coating was investigated. • IFRC5-2 presented back side substrate temperature 166 °C after 1-hour fire test. • IFRC5-2 showed the char expansion 34% higher compared to the IFRC1-1. • The highest residual mass 40.46% was also recorded by the IFRC5-2 coating. •
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Full paper/Memoire Hectorite and bentonite effect on water-based polymer coating rheology Zane Grigale-Sorocina a, b, *, Ingmars Birks b a Institute of Polymer Materials, Faculty of Material ...
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CLAY-TITE is a dual layer waterproofing consisting of HDPE (20 mil), sodium bentonite, and a protective layer consisting of a non-woven polypropylene. The HDPE provides the first layer of waterproofing, while …
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To improve the anti-wear performances of drilling tools in geological prospecting, WC-10Co4Cr coating spayed via high-velocity oxygen-fuel (HVOF) was prepared on the 1045 steel substrate. Tribological behaviors of WC-10Co4Cr coatings in water-based drilling fluids with different contents of filter reducer and bentonite clay …
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Purpose-Green sand moulding is the fastest, cheap and most commonly used method for metal forming. It utilizes a mixture of silica sand, water, clay binder and a coal dust known as green sand.
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Nano-particles and fibers-modified cementitious composite (NFCC) can greatly overcome the shortcomings of traditional cementitious materials, such as high brittleness and low toughness, and improve the durability of the composite, which in turn increases the service life of the structures. Additionally, the polymer coatings covering …
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The results show that the groundwater chemistry of southwestern Ontario (Canada) has a significant impact on the swelling characteristics of the examined …
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DOI: 10.1016/j.ceramint.2022.11.116 Corpus ID: 253465090; Effect of bentonite content on the suspension stability of a glaze slurry and final enamel performance @article{Zheng2022EffectOB, title={Effect of bentonite content on the suspension stability of a glaze slurry and final enamel performance}, author={Jiexi Zheng and Kunshan Xu …
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The coated paper demonstrated excellent oil resistance (with a kit rating of 11/12) and outstanding water resistance (with a water contact angle of 121.9° and water absorption of 25.8%).
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The synergistic effects of wollastonite and bentonite on the improvement of heat shielding and char expansion, char morphology, emission of the gaseous …
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Abstract A sustainable packaging system with excellent liquid- and gas-barrier properties and enhanced strength properties was highlighted by a composite coating containing a mixture of cellulose nanocrystals (CNC), a high-aspect ratio nano-filler montmorillonite clay, an amphiphilic binder soy protein, and a surface-active agent alkyl …
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Increased interest in aesthetic, natural nail coatings has encouraged more in-depth studies, and particularly of ultraviolet curable coatings, their formation, processing, characteristics, and removal. This study investigated the impact of various ... Hectorite and bentonite effect on water-based polymer coating rheology ...
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1. Introduction. In porous materials, water is not only considered to cause various forms of physical degradation processes but also acts as a carrier for aggressive agent migration, which can cause chemical degradation processes and is the main intermediary for the formation and destruction of many natural materials [1].As well …
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Incorporating just 0.03 wt% of silver/sodium bentonite in the coating (0.2 μmol/m² Ag in dried coating with thickness of 14 μm) produced a > 4.4 log reduction against an initial loading of 2.1 ...
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This study investigated the impact of various thixotropic agents (organically modified hectorite and bentonite clays) on water-based oligomer system rheology.
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The sand is not an active factor in the development of water–cement and water–bentonite gels. This contribution aimed at showcasing the reciprocal influence of hydration when the solids are …
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In the present study, the water vapour and grease resistance properties of paper coating based starch – bentonite clay has been investigated. The clay concentration was 0%, 10%, 15%, 23%, 30%, 40% dan 50% w/w. The composites were prepared by solution casting and coated on the surface of the paper, and analysed using Payne cup …
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By installing bentonite coated fins inside tank, the concentration of dye can be easily reduced up to 90%. The BAC demonstrates good temperature and water …
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Coatings Preparation. In the preparation of metal mold coating, stir sodium bentonite slurry and a certain amount of water for 10min, then add 4 ~ 10wt% sodium silicate solution to stir evenly, then add 0.1 ~ 0.9wt%CMC solution and phosphate solution to stir evenly, then add refractory aggregate (talc powder, mica powder and boron …
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This paper provides a graphical approach to finding the optimum water/bentonite/cement mixture required for barrier design, taking into account …
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DOI: 10.1016/J.FIRESAF.2012.03.005 Corpus ID: 108756467; Sodium bentonite-based coatings containing starch for protecting structures in wildfire emergency situations @article{Glenn2012SodiumBC, title={Sodium bentonite-based coatings containing starch for protecting structures in wildfire emergency situations}, author={Gregory Glenn and …
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The bilayer ASC system was prepared on a TC4 substrate with a diameter of 25.4 mm. The NiCrAl bond coating was prepared by atmospheric plasma spraying (APS, GP-80, Jiujiang, China, as shown in Table 1) utilizing NiCrAl powder (75 ∼ 100 μm).The NiCrAl-bentonite ASC was prepared by oxyacetylene flame spraying (FS, QT …
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A composite TiZrNiCuBe metallic glass/NiCrAl-bentonite coating was prepared on TC4 titanium alloy. Thermal shock testing of the coating was investigated by soaking at 600 °C for 10 min then quenching in cold water. Samples were extracted after 1, 50, 100, and 150 cycles to analyze the microstructure and oxidation behavior of the …
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phyllosilicate clay. Other bentonite clay species such as illite and a small amount of Quartz are also present as minor phases. XRF elemental analysis revealed that the
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