آخرین محصولات
Bentonite Clays from Southeastern Spain as Sustainable …
The effects of global climate change are becoming more evident and accelerating at an unprecedented pace. For this reason, human activities urgently need a paradigm shift to stop this entropic process before the consequences become irreversible. In this sense, the use of highly eco-efficient materials aimed at conveniently neutralizing …
Role of particle gradation of clay–sand mixtures on the …
Application of a polymer interfacial coating can improve the bond performance between soils and concrete mainly via interfacial friction/mechanical interlocking. The present work analyses the development of interfacial strength between clay–sand mixtures and a polymer coating with changes in particle gradation.
The Effect of Aggregates, Binders, and Additives on the …
Coating Testing Methods Drying Time. Drying time was the most crucial factor for evaluating water-based coatings. In order to determine the drying time of coatings, the QGZ-24 automatic film drying time tester was used, as simply in Figure 2.The testing conditions included an ambient temperature of 24 ± 2 °C, a relative humidity of …
Clay-based materials for enhanced water treatment: …
Water treatment is of paramount importance to ensure the availability of clean and safe drinking water. In recent years, clay-based materials have gained significant attention as promising adsorbents for water treatment applications. This review provides a comprehensive analysis of different clay types and their surface adsorption properties …
Increasing the Thermal Resistance of Water-Based Mud for …
Heating the water-based mud with 5% HCOOK at 160 °C resulted in an 87.5% decrease in the plastic viscosity of the mud and a 97% decrease in yield stress (Figure 1 and Figure 2). An increase in the thermal resistance of the water-based mud …
(PDF) Hectorite and bentonite effect on water-based polymer coating
In this paper, fumed silica (AEROSILR974), polyurethane thickener (BYK-6500) and polyurea thickener (BYK-420) were selected as the rheological additives of water-based coatings to improve the ...
Hectorite and bentonite effect on water-based polymer …
This study investigated the impact of various thixotropic agents (organically modified hectorite and bentonite clays) on water-based oligomer system rheology.
Overcoming Salt Contamination of Bentonite Water-Based …
The depletion of onshore oil reserves along with a rapid increase in the global energy demand has driven the oil industry to explore and produce oil from deepwater fields. However, because of high salinity in the subsea formation, salt contamination is becoming one of the most critical challenges to bentonite water-based drilling fluids (BT-WDFs), …
Water | Free Full-Text | Comparison of Four Plant-Based Bio …
Due to their cost-effectiveness, low toxicity, and naturally renewable properties, bio-coagulants for water treatment are gaining popularity. In this context, four bio-coagulants were tested for their ability in turbidity reduction in a synthetic bentonite suspension: Opuntia ficus indica (OFI) and Moringa oleifera (MO) seeds, two well …
Water-Based Strippable Coatings Containing Bentonite Clay …
In this paper, a novel approach for water-based strippable coatings for surface decontamination is reported. The novelty of this work consists in the development of a new method of removing heavy ...
Hectorite and bentonite effect on water-based polymer coating …
This study investigated the impact of various thixotropic agents (organically modified hectorite and bentonite clays) on water-based oligomer system rheology. Ingredients were evaluated to determine their influence on unreacted composite characteristics (viscosity and pigment suspension stability) and reacted film characteristics (modulus of ...
Synthesis, characterization and microbial protection of palm oil based
A research on the manufacture of polyurethane-based palm oil for materials paint coating with the addition of montmorillonite nanoparticles as a filler of heat-resistant polyurethane paint and chitosan for antimicrobial the material. The processing of bentonite to be montmorillonite through several stages including: sedimentation, ultra-sonication, …
Water | Free Full-Text | Optimization Study for the …
This study is based on the regeneration of bentonite based adsorbent coating using the combined method of thermal and chemical regeneration. Experimental design analysis is an important technique because it provides the statistical model that helps in optimizing different parameters and their interaction [19,20].
Cellulose/bentonite-zeolite composite adsorbent material coating …
To improve dye removal efficiency in a short time and at low temperature, bentonite-supported coating was prepared by the combination of bentonite, zeolite and acrylic polymer. The present study deals with the development of bentonite-zeolite, acrylic polymer supported composite coating (Ben-Zeo-Acry) for removal of cationic dyes.
Types and Advantages and Disadvantages of Thickeners in Waterborne Coatings
Thickener is a rheological additive that not only thickens the coating, prevents sagging in construction, but also gives excellent mechanical properties and storage stability. For the lower viscosity of the water-based paint, it is a very important class of additives. Type of waterborne coating thickener
Effect of pH on Rheological and Filtration Properties of Water-Based
The design of drilling fluids is very important for the drilling operation success. The rheological properties play a key role in the performance of the drilling fluid. Therefore, studying the mud rheological properties of the water-based drilling fluid based on bentonite is essential. The main objectives of this study are to address the effect of pH …
Hectorite and bentonite effect on water-based polymer …
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 ...
Organoclay for Lubricating Grease – CAMP-SHINNING
Water based Bentonite. Water based Paints & Coatings; Wastewater Treatment; Construction Mortar; Water-based Drilling Mud(WBM) ... the America, Middle East, South East Asia, etc. We play a vital role in the bentonite market. E-mail:info@camp-shinning whatsapp:86-. FAQ. 1.How can we guarantee quality?
New Urea Controlled-Release Fertilizers Based on …
Controlled-release fertilizers are interesting alternatives to current commercial chemical fertilizers, which present a higher nutrient release rate, and can negatively impact the ecosystem. In this work, two …
Coatings | Free Full-Text | The Use of Edible Films Based on …
The most common method of applying edible films and coatings is the use of an emulsion obtained from oil and waxes in water, which is sprayed directly on the surface of fruit in order to improve aspects of its appearance, such as gloss, color, and fineness, but also to control browning and loss of tissue water. A number of …
Coatings | Free Full-Text | Sustainable and Bio …
The new coating was able to maintain its outstanding water-repellent properties, even greater than commercial silicone-based or fluorinated superhydrophobic coatings, after 5000 abrasion cycles. …
Gels | Free Full-Text | Gel Stability of Calcium Bentonite …
With the development of the oil industry and the increasingly complex drilling environment, the performance of drilling fluids has to be constantly improved. In order to solve the problem of bentonite dispersion and hydration in a saline medium, a drilling fluid additive with good performance and acceptable cost was sought. The effects of several …
Impact of spraying commercial Bentonite Nanoclay on …
Noteworthy advantages of bentonite include its abundance, cost-effectiveness, water retention capacity, and ability to enhance the physical and chemical attributes of materials 26,27. Commercial ...
Structural control of PEG-intercalating Na-bentonite and its …
The results also showed that the water contact angle of the MPU coating was greatly improved, the water absorption was reduced by 65.7%, and the coating porosity was reduced by 30.0%.
Anti-wear Performance of WC-10Co4Cr Coating in Water-Based …
Tribological behaviors of WC-10Co4Cr coatings in water-based drilling fluids with different contents of filter reducer and bentonite clay was evaluated by a CSM ball-on-disc tribometer.
Bentonite API | Oman Drilling Mud Products Co LLC
A layer of hydrated bentonite provides a dense, low porosity barrier to fluid flow that exhibits a typical hydraulic conductivity of 1 x 10-9 cm/sec. The property of swelling …
Recent Advances of Graphene-Derived Nanocomposites in Water-Based
Nanocomposite materials have distinctive potential for various types of captivating usage in drilling fluids as a well-designed solution for the petroleum industry. Owing to the improvement of drilling fluids, it is of great importance to fabricate unique nanocomposites and advance their functionalities for amplification in base fluids. There …
Overcoming Salt Contamination of Bentonite …
However, because of high salinity in the subsea formation, salt contamination is becoming one of the most critical challenges to …
Na-Bentonite and MgO Mixture as a Thickening Agent for Water-Based …
Rheology plays a major role both in production and application stages of paints. Na-Bentonite, clay based thickening agent, is generally used to modify the viscosity of paints, since it is more ...
Sodium bentonite-based coatings containing starch for …
Sodium bentonite gel (SB Gel) was prepared by combining 50 g of SB powder to 500 g of water in a Waring blender.The ingredients were blended for 5 min to achieve adequate hydration and dispersion.SB gel samples containing starch (SB Gel+S) were made by first dry mixing 20 g of starch powder with 50 g of SB powder.The mixture was …
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