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effect of bentonite on water resistance of coatings in Oman
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Effect of bentonite content on the suspension stability of a …
In addition, the effect of bentonite on the flexural strength and fracture toughness of enamel coatings on metal substrates was investigated. Finally, acid corrosion resistance experiments were performed to evaluate the effect of bentonite on the corrosion performance of the enamel coating. The results showed that the stability of …
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Effect of bentonite/potassium sorbate coatings on the …
Effect of bentonite/potassium sorbate coatings on the quality of mangos in storage at ambient temperature ... The use of bentonite coatings for mango preservation was investigated. ... irradiated storage, storage in chemicals, and coatings (Ravindra and Goswami, 2007). Hot water treatment is safe and convenient (Djioua et …
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Response of NiCrAl-bentonite abradable seal coatings to …
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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Effect of bentonite as a soil amendment on field water …
A field experiment was conducted in a semi-arid region in northern China to evaluate the effects of bentonite soil amendment on field water-holding capacity, plant available water, and crop ...
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Overcoming Salt Contamination of Bentonite …
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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Research on Surface Coating Treatment of Casting Die for
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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(PDF) Hectorite and bentonite effect on water …
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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Addition of bentonite to cationic starch matrix for coating …
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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Sodium bentonite-based coatings containing starch for …
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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An investigation on thermal performance of wollastonite and …
This study investigated the effects of wolframite on the fire resistance and adhesion strength of intumescent fire‐retardant coating (IFRC) using a siloxane‐modified epoxy …
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Development of cost effective bentonite adsorbent coating …
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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Nano-Modified Polymer Gels as Temperature- and Salt-Resistant …
With the continuous exploration and development of oil and gas resources to deep formations, the key treatment agents of water-based drilling fluids face severe challenges from high temperatures and salinity, and the development of high temperature and salt resistance filtration reducers has always been the focus of research in the field …
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Coatings | Free Full-Text | Effect of Fluorinated Comonomer
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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Effect of Bentonite Support Fluid on Pile Capacity
For finding the interface frictional resistance, several laboratory tests like model pile tested in a triaxial cell, direct shear tests (concrete on sand or sand on concrete), model pile in centrifuge, etc., can be adopted [8, 9].But direct shear and simple shear tests are more practical than large-scale tests and considered optimal for detailed studies.
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Water-based intumescent fire resistance coating containing …
Moreover, GF has good chemical resistance and low thermal conductivity (Shahari et al., 2021). Uniformly dispersed GF can significantly reinforce the water resistance and initial drying cracking resistance of the coating, and advance in the thermal insulation ability (Pan et al., 2021; Shi et al., 2022).
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An investigation on thermal performance of wollastonite and bentonite …
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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Bentonite Clay Waterproofing Membrane
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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High performance nanocellulose-based composite coatings …
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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Understanding the Temperature Effect on the Rheology …
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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Benefits and applications with BENTONE Hectorite clay …
Aqueous metallic coatings In water-borne systems, the pigment alignment is not driven by solvent loss but by the rate of structural recovery. In this example, a one-coat metallic television cabinet coating was studied. The formulation used two different types of rheological additive. RHEOLATE® 125, an alkali-swellable emulsion that provide the ...
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Anti-fouling effect of bentonite suspension in ultrafiltration …
The effect on membrane fouling resistance during ultrafilration of oil/water emulsion with the presence of bentonite suspension is experimentally evaluated. The fouling resistance was analyzed as a function of different membrane types and bentonite concentration. The total membrane fouling was categ …
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An investigation on thermal performance of wollastonite and …
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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Organic modification of bentonite and its effect on …
The effect of organic modified bentonite on rheological behavior of paper coating was studied to extend the use of bentonite in the paper industry. Discover the world's research 25+ million members
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(PDF) Hectorite and bentonite effect on water-based polymer coating
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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An investigation on thermal performance of wollastonite and …
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.
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Anti-wear Performance of WC-10Co4Cr Coating in Water …
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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Effects of synthetic site water on bentonite-concrete …
The lower water content and higher dry density loss in sample #1 suggest the significant effect of cement mortar. The higher the distance from the interface, the lower the water content of the sample, indicating that the water absorption of bentonite farther away from the water inlet end is affected.
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Polymers | Free Full-Text | Effect of Polymer Coatings on the
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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Buildings | Free Full-Text | Analysis of the …
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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Bentonite API | Oman Drilling Mud Products Co LLC
Sodium bentonite is most widely known for its ability to swell. It can absorb nearly 5 times its weight in water and at full saturation may occupy a volume 12 to 15 times its dry …
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Exfoliated bentonite/alginate nanocomposite hydrogel …
Bentonite is layered silicates that can be dispersed at a nanoscopic scale through exfoliation when the appropriate polymers and/or mechanical forces are applied (Paul & Robeson, 2008).Since exfoliated bentonite forms a nanocomposite network after the migration of alginate polymers into the interlayer spaces of bentonite through …
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Sustainability | Free Full-Text | Effect of Bentonite …
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 modified bentonites on the thixotropic properties …
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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Effect of groundwater chemistry and temperature on …
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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Types and Advantages and Disadvantages of Thickeners in Waterborne Coatings
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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Improving Sag Resistance in Geopolymer Coatings Using …
The reduction in the rheological parameters and dissolution rate of precursors in geopolymer coatings during early hydration significantly contributes to sagging. This study aims to improve the sag resistance of these coatings by incorporating diatomite filler. Rheological testing was conducted to assess the impact of diatomite and …