Carboxymethylcellulose (CMC), a compound alternatively known as Sodium Carboxy Methyl Cellulose, stands as a prime example of a remarkably versatile substance. Its remarkable adaptability finds purpose across various industries, including but not limited to food, cosmetics, and paints. In the world of paints and coatings, CMC emerges as a component, an indispensable additive that exerts a profound influence on the quality and performance of paint compositions. CMC assumes a role of paramount importance to the field of paints. It catalyzes transformation, an essential ingredient that elevates paint formulations to new heights.

Rheology Modifiers

What is the Use of CMC Powder?

Carboxymethylcellulose (CMC) powder has been a transformative presence in the field of paint for decades. This versatile additive, derived from cellulose, has redefined the way paints are formulated and applied. One of its primary roles is as a thickener and stabilizer, where it ensures the desired viscosity control within paint formulations. This viscosity control is instrumental in maintaining uniform particle dispersion, resulting in smooth, lump-free paints that are both visually appealing and easy to work with. CMC protects against syneresis, preventing the unwanted settling and separation of paint components ensuring consistent and reliable performance. Its compatibility with other paint ingredients, such as pigments, resins, and solvents, simplifies formulation and maintains paint consistency during storage and transport.

Applications of CMC in Paints

The applications of carboxymethylcellulose in paints are multifaceted, and its unique properties make it an indispensable rheology modifier in various aspects of paint formulation. Carboxymethylcellulose finds significant application in the paint industry, and different typical grades demonstrate its suitability for various formulations. Carboxymethylcellulose provides a viscosity range of 5000-6000 mPas with a degree of substitution between 0.75 and 0.90 to ensure the precise control of paint consistency.

Carboxymethylcellulose grades boast a high purity level of 97% minimum. This purity is essential to maintain the integrity of paint formulations. Paint manufacturers can select the appropriate CMC grade based on their specific requirements, be it achieving the desired viscosity, enhancing stability, or ensuring uniformity in their products. Carboxymethylcellulose serve as indispensable additives in the paint industry, contributing to the formulation of paints with precise characteristics and optimal performance.

How Carboxymethylcellulose are Applied in Paints

It is mentioned above that carboxymethylcellulose are widely used as an additive in manufacturing paints. Here are how this additive can affect the paints stability and formulation.

Thickening and Stabilization

 Maintaining precise viscosity levels is crucial to ensuring consistent and uniform paint application. Various paint types, including primers, coatings, and decorative paints, necessitate specific viscosity ranges to achieve the desired color distribution and texture. Carboxymethylcellulose plays a pivotal role in attaining and sustaining these exact viscosity levels, guaranteeing a smooth and even paint application.

Preventing Pigment Settling

One of CMC’s key functions is to prevent the settling of pigments in paint formulations. Pigment settling can lead to uneven color distribution and texture in the finished product. Carboxymethylcellulose’s ability to stabilize particle dispersion ensures that pigments remain uniformly distributed throughout the paint, resulting in a visually appealing and consistent finish.

Water Retention and Moisture Retention

Carboxymethylcellulose’s hygroscopic nature, which allows it to absorb and retain moisture, benefits paint films in several ways. Paints that contain carboxymethylcellulose have impressive moisture retention capabilities. This is particularly advantageous for paints that may sit for extended periods between uses. Carboxymethylcellulose prevents the paint from drying out excessively, making re-mixing easier before application. This feature helps avoid issues such as caking, which can occur when paint dries out.

Enhanced Adhesion

Carboxymethylcellulose’s ability to form robust hydrogen bonds with substrates enhances the adhesion of paint to various surfaces. This results in several benefits, including improved scrub resistance and increased overall durability of the paint film. Paints with carboxymethylcellulose adhere better to surfaces, reducing the risk of peeling, flaking, or chipping over time. This enhanced adhesion ensures that the paint maintains its quality and appearance for a longer period, making it a preferred choice for both interior and exterior applications.

Reduced and Mitigating Syneresis

Syneresis is the separation and settling of components in a paint dispersion, can be a significant concern in paint formulation. Carboxymethylcellulose effectively mitigates this issue by increasing viscosity and stabilizing particle dispersion. When carboxymethylcellulose is added to paint formulations, it helps maintain the homogeneity and consistency of the paint. This ensures that the paint remains stable, preventing issues like settling or separating components. Paints without syneresis-related problems are easier to work with, leading to more reliable and higher-quality final products.

The Versatility of Carboxymethylcellulose (CMC)

Picture carboxymethylcellulose as the conductor of paint consistency. It wields its baton to orchestrate the ideal viscosity control within paint formulations. CMC transforms the paint into a harmonious symphony, free from disruptive clumps and irregularities, by ensuring the even dispersion of particles. The outcome? A paint that’s not only visually alluring but also incredibly manageable, enabling smooth and uniform application devoid of any unsightly blemishes.

Carboxymethylcellulose’s sponge-like hygroscopic nature is akin to an artist’s palette soaking up inspiration. When infused into paint, it captures moisture and masterfully utilizes it. This moisture retention imparts invaluable benefits, preserving the paint’s flexibility and workability over an extended artistic journey. Painters can adjust brush stroke by brush stroke without fearing the dreaded cracking canvas. Carboxymethylcellulose’s gentle hand in slowing down the paint’s drying time is advantageous in scenarios requiring extended open time.

How Carboxymethylcellulose Acts as Glue in Paints

Carboxymethylcellulose is the glue that binds paint to its destiny—the surface. It ensures the paint kisses the surface, thanks to its innate wetting prowess and provision of binding sites. This enhanced adhesion paints a brighter picture with improved coverage requiring fewer coats. The final masterpiece is a more robust, enduring finish, resilient against the passage of time. With enhanced adhesion, the paint peeling or chipping specter fades into obscurity.

Carboxymethylcellulose forms a protective barrier against discord by elevating viscosity and maintaining particle stability. It ensures that paint components remain in harmonious unity, both visually and functionally. Paints free from syneresis troubles offer an artist a steady hand and a more reliable final opus, where consistency reigns supreme.

This additive also effortlessly with pigments, resins, and solvents, achieving a chemical camaraderie that’s indispensable for paint formulators. CMC doesn’t disrupt the harmony among its fellow constituents; instead, it dances in perfect rhythm with them. This compatibility isn’t just a one-time act; it’s a continuous performance, preventing issues like flocculation or stratification during storage and transit. The result? Paint that remains steadfastly consistent and dependable, from production to the brush’s final stroke.

Why Use CY Carboxymethylcellulose in Formulating Your Paints?

Carboxymethylcellulose is a widely used chemical compound in various industrial applications, including oil field drilling, paints, coatings, and adhesives. CY CMC additives to cater to the specific needs of these industries.

In the oil field drilling sector, carboxymethylcellulose serves as an essential ingredient in drilling mud formulations. It functions as a viscosifier and fluid-loss control agent, helping to maintain the desired rheological properties of the drilling fluid. This, in turn, ensures efficient and smooth drilling operations while preventing fluid loss into the formation. CY CMC products meet the stringent requirements of the oil and gas industry, enhancing the overall performance and safety of drilling operations.

CY carboxymethylcellulose is valued for its versatility as a thickener, stabilizer, and rheology modifier. It plays a crucial role in improving the consistency and texture of paints and coatings, leading to better application and performance characteristics. Additives from CY are tailored to meet the specific demands of paint and coating formulations, contributing to the production of high-quality finishes with excellent flow properties and durability.

Carboxymethylcellulose serves as a critical component for formulating water-based adhesives and binders. Its ability to provide adhesive strength, control viscosity, and improve tackiness makes it an invaluable ingredient in various adhesive formulations. CY CMC products remain at the forefront of adhesive technology, supporting the creation of robust and environmentally friendly adhesive solutions.

CY carboxymethylcellulose additives underscores its role as a trusted partner for industries relying on these chemical solutions. We consistently deliver products that meet industry standards and client expectations. We have established ourselves as a reputable provider of CMC additives for oil field drilling, paints, coatings, and adhesives, contributing to the success and advancement of these sectors both in China and on a global scale.

We sincerely look forward to your consultation, and we are willing to provide you with free samples and corresponding technical guidance. Especially in the application field, we have accumulated a large amount of data and information, which can most directly help you solve your confusion in application and testing.

The performance of this kind of cellulose, polymer and thickener in water-based systems can satisfy you. Because it has been confirmed by a large amount of data.

CAS number: 9000-11-7
Chemical formula: [C6H7O2(OH)3-x(OCH2COONa)x]N
Customs tariff code: 39123100

Other physical properties

pH: 8,0-10,0 (1%)
Relative density: 1560 kg/m3

Our Carboxymethyl cellulose is worthy of your trust and use. It will definitely help you achieve your pursuit of performance.We use 25kg packaging. We recommend that you store in a cool, dry place. Keep CMC away from moisture.

Fill out my online form.