Organoclay

Organoclay, to supply you stable quality organophilic clay with good price is our mission. We try our best to provide the organic bentonite clay you need for application in different industrial fields. Whether your application is in paint coatings, oilfield drilling, lubricants and cosmetics, it can bring you expected thixotropy and rheological properties. At the same time, its thickening performance is also very obvious. We welcome you to consult our products to bring you the product quality with the most commercial value.

Organoclay

Organophilic Clay For Oil Drilling Mud

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Organoclay For Solvent Based Paint

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Organoclay For Water Based Paint

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Organo Bentonite For Grease

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Organoclay For Cosmetics

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Organoclay For Inks

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Organoclay

Solvent Based Organoclay

Water Based Organoclay

Organophilic Clay

Drilling Grade Organophilic Clay

Paint Grade Organoclay

Grease Grade Organoclay

Cosmetics Grade Organoclay

Ink Grade Organoclay

Organoclay

Organoclay

Understanding the Advance Capabilities of Organoclay

Organoclay bentonite : Derived from natural clays, organoclay stands at the forefront of cutting-edge chemical manufacturing industries worldwide. Organoclay has become a game-changer in diverse fields, like oil fluid drilling field, cosmetics, paint and grease manufacturing.

This article from Zhejiang Camp-Shinning aims to delve into organoclay rheological additive, exploring its composition, properties, and many more. We’ll share how organoclay is prepared, its unique characteristics that enables it to be used in a lot of industries, how it works, and some frequently asked questions that you may have. Everything you may need to know about organoclay, we’ll discuss.

Surface and Interface Chemistry of Clay Minerals

Clay materials’ behavior and uses depend a lot on their surface qualities, which are affected by many different things. These factors include the chemical makeup of the clay, the type of atoms on its surface, the number and structure of flaw sites, the charge of the layer, and the type of cation that can be exchanged.

Clay minerals are known for their adsorption qualities, which allow them to combine with different substances and hold on to them. This adsorption behavior is especially important in catalytic reactions and cationic exchange processes, where clay rocks play an important role.

Water has been used a lot to study how clay rocks act. When water and clay are mixed together, they often make a slurry. This makes an area where the clay minerals like organoclay and water molecules can interact. Different chemical companies that use organoclay are very interested in this slurry contact because it lets them use the features especially in oil drilling field.

The electronegativity of the atoms in clay minerals has an effect on the surface and contact chemistry of these minerals. This trait gives us a good idea of whether the oxygen atoms on the top of the clay material layers are hydrophilic or hydrophobic.

 

Natural or Engineered Clays for Stabilization/Solidification

Organoclays represent a unique category of fine-grained soil materials that contain clay minerals, specifically hydrous aluminum phyllosilicates. These minerals possess remarkable properties that make them well-suited for various environmental remediation applications, particularly in the treatment of hazardous wastes, such as contaminated soils and sediments.

Whether in their natural state or through engineering processes, organoclays have been employed in a technique known as solidification/stabilization. This method involves the immobilization of hazardous contaminants within a solid matrix to prevent their release into the environment. Organoclays play a crucial role in solidification/stabilization, either as standalone agents or in combination with other stabilization agents, offering effective solutions for the remediation of contaminated sites.

The unique characteristics of organoclays make them highly desirable in environmental remediation. Their high surface area and strong adsorption capabilities enable them to effectively bind and immobilize various pollutants, including heavy metals, organic compounds, and other contaminants present in soils and sediments.

 

Formation and Properties of Clay-Polymer Complexes

Clay-polymer complexes combine the unique properties of clay minerals with the versatility and functionality of polymers, resulting in materials with enhanced performance and a wide range of potential applications.

Organoclay, a type of clay-polymer complex, is formed by the intercalation or exfoliation of polymer chains within the layered structure of clay minerals. The process of forming organo clay involves modifying the surface of clay minerals by exchanging the original inorganic cations with organic cations. This modification enhances the compatibility between the clay and polymer, enabling the intercalation of polymer chains within the clay layers.

The incorporation of clay minerals at the nanoscale level provides reinforcement, increasing the stiffness, strength, and dimensional stability of the resulting composite materials. Organoclay can enhance the thermal stability and flame retardancy of polymers, making them suitable for applications in diverse industries.

The unique structure of organo clay, with polymer chains intercalated or exfoliated between the clay layers, making organoclay-based materials excellent barriers against moisture, oxygen, and other environmental contaminants that oil drilling fluid and paint industry needs in manufacturing their product.

 

Modified Clay Minerals for Environmental Applications

Organoclay, a modified form of clay minerals, plays a pivotal role in environmental cleanup applications. Clay minerals are naturally occurring materials known for their hydrophilic nature, high chemical stability, and cation exchange capacity. Due to their inherent electronegative surface properties and cation exchange capabilities, natural clay minerals exhibit excellent adsorption capabilities for heavy metal cations and various cationic organic contaminants.

However, to enhance the surface properties and overall contaminant removal capacities, clay minerals can undergo modification processes to create organo clay. The modification of clay minerals involves the introduction of organic molecules onto the surface, leading to the formation of organoclay with improved properties. This modification can be achieved through the exchange of original inorganic cations with organic cations, altering the surface chemistry of the clay minerals.

The introduction of organic molecules onto the clay mineral surfaces transforms their hydrophilic nature to hydrophobic, which can result in significant improvements in contaminant removal capacities and efficiencies. The modified surface properties of organobentonite clay enhance its affinity for cationic organic contaminants, allowing for stronger interactions and higher adsorption capacities compared to natural clay minerals.

The increased adsorption capabilities of organoclay are particularly advantageous when it comes to heavy metal cations and other cationic organic pollutants. The modified surface properties provide a more favorable environment for the adsorption of these contaminants, effectively capturing and immobilizing them within the organoclay matrix. This makes organoclay a highly effective adsorbent for environmental cleanup, remediation of contaminated soils, and water treatment processes.

The modification of clay minerals to form organobentonite clay expands their applicability and efficiency in various environmental applications. Organoclay materials have demonstrated their potential in removing heavy metals, organic  dyes, pesticides, and other pollutants from contaminated environments. Their enhanced surface properties and increased contaminant removal capacities make organo bentonite clay a valuable tool in addressing environmental pollution challenges.

 

Additives for General Uses

As an additive, organoclay is utilized in the formulation of paints, coatings, adhesives, and sealants, among others. Its ability to improve rheological properties, enhance stability, and provide thixotropic behavior makes it valuable in achieving desired performance characteristics in these formulations. Organoclay also acts as a reinforcement agent in rubber and plastic composites, enhancing their mechanical strength, dimensional stability, and resistance to chemicals.

In the oil and gas industry, organoclay is used in drilling fluids to control viscosity and improve wellbore stability. The general uses of organoclay as additives demonstrate its valuable role in enhancing the performance and functionality of a wide range of materials and products across various industries.

 

Preparation | Organic Bentonite Clay

Organoclay materials are unique hybrid substances formed through the combination of clay minerals with surfactants. Surfactants are compounds characterized by their amphiphilic nature, possessing both hydrophobic or non-polar, and hydrophilic or polar regions within their molecular structure.

The process of organophilization involves modifying the clay minerals by introducing surfactant molecules that interact with the clay surfaces. The success of clay organophilization depends on various factors, including the specific characteristics of the clay mineral and the surfactant used. These influence the degree of interaction, compatibility, and stability achieved between the clay and surfactant, ultimately determining the properties and performance of the resulting organoclay material.

 

Kinds of Clay in Preparation

Smectite is a type of clay mineral known for its expansive properties. It has a layered structure with a high cation exchange capacity, making it an excellent candidate for modification into organoclay. Smectite clays, such as sodium montmorillonite, exhibit a high degree of swelling in the presence of water and can readily intercalate organic molecules, leading to the formation of organoclay materials with enhanced properties.

Bentonite is another widely utilized clay in the preparation of organoclay. It is composed primarily of montmorillonite, but also contains other clay minerals and impurities. Bentonite clay has a high adsorption capacity and exhibits thixotropic behavior, which makes it suitable for a range of applications. Through modification, bentonite can be transformed into organophilic clay, enabling improved compatibility with organic compounds and enhancing its performance in various applications.

Montmorillonite, which is a specific type of smectite clay, is also commonly employed in the preparation of organoclay. It possesses a layered structure with a high surface area and swelling capacity. The interlayer spaces of montmorillonite can accommodate organic molecules, allowing for effective modification and the creation of organophilic clay with tailored properties.

 

Preparation of Organoclays

The preparation of organoclay involves several steps to transform raw clay into the desired modified material. Firstly, a suitable raw clay is selected from options such as smectite, bentonite, or montmorillonite, based on the specific requirements of the application. Once the raw clay is chosen, it undergoes a pre-treatment process to remove impurities and optimize its properties for modification.

The pre-treated clay is mixed with sodium clay and a surfactant. The sodium clay helps in the ion exchange process, while the surfactant plays a crucial role in modifying the surface properties of the clay. The clay mixture is then subjected to washing, grinding, and sieving. Washing removes any remaining impurities and excess surfactant, while grinding and sieving help achieve a uniform particle size distribution and improve the overall quality of the organoclay material.

After these steps, the raw clay is transformed into organophilic clay, where the surfactant molecules become intercalated or adsorbed between the clay layers, modifying its properties and enhancing its performance for specific applications.

 

Characterization

A comprehensive understanding of the structure of organoclays is crucial to unlock their full potential in practical applications. Therefore, it becomes imperative to verify the successful intercalation of surfactant molecules within the inter-layer spaces of the clay after the synthesis of organoclay.

Zhejiang Camp-Shinning employed various characterization methods to analyze both the original clays and the organo-modified clays, aiming to produce organoclay products with quality checking about their structure, expansion capacity, layer charge, pore size, crystallite size, charge distribution, and pore distribution.

Physicochemical Properties

The physicochemical properties of organoclays are significantly altered due to the intercalation of surfactants within the clay structure. The point of zero charge tends to increase as the amount of surfactant in the raw clay increases in organophilization process.

The intercalation of larger surfactant molecules between the silicate layers of the clay results in a decrease in specific surface area. The pore characteristics of organoclays are significantly affected. Pore size, as well as micro and mesopore volume, experience drastic reductions after cationic surfactant treatment. The intercalation of surfactant molecules within the clay structure leads to a filling or blocking effect.

Characterization of Organoclays

The behavior of organoclay dispersions is complex and influenced by the structure and interactions between the clay particles. This complexity arises primarily due to the presence of surfactants with long alkyl chains on the clay surfaces, which confine the clay particles.

The surfaces of commercially available organoclays were modified with dimethyldialkyl quaternary ammonium cations. All the dispersions exhibited a yield stress, meaning they required a certain amount of force to start flowing, and they displayed a shear thinning behavior, meaning their viscosity decreased as the shear rate increased.

Applications

Organoclays have found diverse applications across various industries, and they have been utilized in so many companies. These are just few of the industry where you can use organoclays.

Oil Well Drilling Field

Organoclay exhibits a significantly higher adsorption capacity. Organoclay is more effective in capturing and retaining hydrocarbons compared to its unmodified counterpart. The higher adsorption capacity of organoclay is attributed to its modified structure, where surfactant molecules are intercalated within the clay layers. This modification enhances the clay’s affinity for hydrocarbons, allowing it to adsorb a greater amount of these contaminants.

The adsorption capacity of organoclay for hydrocarbons typically falls within the range of 4 to 10 grams of adsorbent. This range signifies the amount of hydrocarbons that can be effectively captured and retained by a given quantity of organoclay. The specific capacity may vary depending on factors such as the type of organoclay, the nature of the hydrocarbons, and the environmental conditions, thus making it best in using in oil field drilling industries,

Paint and Coating Field

Incorporating organoclays in paint and coating formulations is their ability to impart thixotropic behavior. Thixotropy refers to the property of a material to exhibit decreased viscosity under shear stress, allowing for easy application and spreading, while maintaining stability and resistance to sagging or dripping when at rest. Organoclays achieve this by forming a network within the paint matrix, creating a structure that is reversible under shear. As a result, the paint becomes easier to handle during application, maintaining its desired consistency and avoiding issues like brush or roller marks.

It contributes to improved sag resistance and leveling properties in paints and coatings. By incorporating organoclays, the paint film exhibits enhanced stability, reducing the tendency for the coating to flow excessively or sag when applied on vertical surfaces.

Grease and Adhesive

Organoclays are utilized as thickeners and stabilizing agents. By incorporating organoclays into grease formulations, organoclay manufacturers can achieve desired viscosity levels and enhance the overall consistency and stability of the grease. Organoclays act as rheological modifiers, providing shear thinning behavior, where the grease flows easily under shear stress but maintains its structure and consistency when at rest.

Inks

In ink manufacturing, organoclays are primarily used as rheological modifiers and thickeners. They play a crucial role in controlling the viscosity and flow behavior of the ink, ensuring optimal printability and consistency. It contributes to improved pigment suspension and dispersion in inks. They help prevent settling and flocculation of pigments, ensuring uniform color development and preventing the formation of undesirable clumps or aggregates. This results in inks with consistent color quality and excellent print performance.

Wastewater Management

Organoclays can also aid in the removal of heavy metals from wastewater. The modified clay surfaces have a strong affinity for metal ions, allowing them to adsorb and immobilize heavy metals present in the water. The modified clay surfaces attract and adsorb contaminants, effectively removing them from the water and reducing their concentration to acceptable levels. This adsorption process helps in the purification of wastewater.

Organoclay Rheological Additive: Performance Advantages

Rheological properties, or flow behavior, play a crucial role in numerous applications across various industries. To achieve the desired flow characteristics, additives are often incorporated into formulations. One such additive that offers significant performance advantages is organoclay.

Organoclays offer enhanced viscosity control. They can effectively increase the viscosity of a system, providing greater resistance to flow. This property is particularly beneficial in applications where stability and controlled flow are crucial, such as paints, coatings, and adhesives. By adjusting the concentration of organo rheology modifier clay, manufacturers can achieve the desired viscosity levels and ensure optimal performance of their products.

Rheology modifier  exhibit thixotropic behavior. Thixotropy refers to the property of a material to exhibit reduced viscosity under shear stress, while recovering its original viscosity once the stress is removed. This property is highly advantageous in applications where controlled and precise application is required, such as inks, drilling fluids, and personal care products. Organoclays enable smooth and easy application, ensuring uniform coverage and preventing issues like sagging or dripping.

Rheology modifier contribute to improved stability and suspension of solid particles within a system. They have the ability to prevent settling or sedimentation of particles, maintaining a homogenous distribution throughout the formulation. This is particularly important in applications such as drilling fluids, where the suspension of solid particles is critical for efficient drilling operations. Organoclays help maintain the stability and integrity of the system, preventing issues like fluid loss or formation damage.

Organoclay Supplier & Manufacturers

Zhejiang Camp-Shinning New Material Co., Ltd. is a prominent supplier and manufacturer of organoclay products, specializing in providing high-quality solutions for various industries. With our expertise and dedication, we have established ourselves as a trusted source for organoclays. We at Zhejiang Camp-Shinning offers a wide range of organoclay products that are tailored to meet the specific needs of customers. Our rheological additive are known for their exceptional performance, reliability, and consistency.

Zhejiang Camp-Shinning prioritizes transparency and safety. We understand the importance of providing comprehensive product information, and they assure their buyers that they can obtain the Material Safety Data Sheet (MSDS) for their organoclay products. This MSDS serves as a valuable resource, offering detailed information about the composition, properties, handling, and safety precautions related to our high quality organoclays.

Packing Details

Zhejiang Camp-Shinning ensures proper packaging of their organiclays products to maintain their quality and facilitate convenient transportation. The rheological additive is typically packaged in 25kg bags, although customized packaging options are also available to meet specific requirements. The bags are made of Kraft complex material with a polyethylene interior, which provides excellent protection against moisture and external factors that could affect the product’s integrity.

For larger quantities, Zhejiang Camp-Shinning offers palletized packaging options. The rheological additive can be packed in 800kg per pallet or 1MT per pallet, depending on the customer’s preference. The pallets can be made of either wood or plastic, ensuring stability and ease of handling during storage and shipment.

In a 20-foot container (20FCL) with pallets, approximately 16 metric tons (MT) of organic rheology modifier clays can be loaded. For a 40-foot container (40FCL) with pallets, the capacity increases to approximately 25 MT. This careful container loading process ensures that the organoclay products are securely packed and ready for transport to their destination.

FAQs

  1. What is organophilic clay?

    1. A type of clay that has been chemically modified to enhance its compatibility with organic substances. Derived from natural clays, typically smectite clay minerals such as bentonite or montmorillonite.
  2. What is organophilic clay used for?

    1. It is used as a rheological control agent, oil drilling fluid, adsorbent, cosmetics and personal care products, paints and coatings and grease lubricants.
  3. What is organoclay made of?

    1. Primarily composed of natural clay minerals, specifically smectite clay minerals such as bentonite or montmorillonite.
  4. What is the composition of organophilic clay?

    1. It is composed of clay minerals such as bentonite or montmorillonite that are hydrous aluminum phyllosilicates with a layered structure composed of stacked platelets. It also composed of involves exchanging the original inorganic cations in the interlayer spaces with organic cations.
  5. Is bentonite organophilic?

    1. Yes! Bentonite can be modified to become organophilic through a chemical process called organophilization.
  6. What is bentonite organoclay used for?

    1. Similar to organophilic clay, bentonite organo clay is also used as a rheological control agent, oil drilling fluid, adsorbent, cosmetics and personal care products, paints and coatings and grease lubricants.
  7. What are the recommended polar activators for organoclay?

    1. You can use polar organic solvents like ethanol o methanol, esters, or ketones. Water can also be used. Sodium chloride or calcium chloride can also be used.
  8. What are the storage recommendations?

    1. Should be stored in a dry environment to prevent moisture absorption. Keep organiclays away from contaminants, such as dust, dirt, oils, and chemicals, that can affect their properties. Organoclays typically have a recommended shelf life of around 2 years.

 

 

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