Ashland Aqualon CMC Sodium Carboxymethyl Cellulose

Features Of Ashland Aqualon CMC Sodium Carboxymethyl Cellulose

1. Highly water-soluble anionic polymer with excellent viscosity-building capability in aqueous systems.

2. Provides outstanding suspension stability and particle dispersion for solid-phase components.

3. Offers good film-forming properties and enhanced adhesion to polar substrates.

4. Exhibits pH stability across a broad range (pH 4–10) and compatibility with common electrolytes.

5. Derived from sustainable, purified cellulose; compliant with major global food and pharmaceutical regulatory guidelines where applicable.

Typical Applications Of Ashland Aqualon CMC Sodium Carboxymethyl Cellulose

1. Thickener and stabilizer in pharmaceutical suspensions, gels, and controlled-release tablets.

2. Rheology modifier and binder in water-based paints, coatings, and architectural mortars.

3. Suspension aid and viscosity controller in agrochemical formulations (e.g., SC, SE, and OD concentrates).

4. Stabilizing agent and texturizer in food products including dairy alternatives, dressings, and baked goods.

5. Viscosity enhancer and protective colloid in ceramic tile adhesives and dry-mix construction mortars.

Specifications Of Ashland Aqualon CMC Sodium Carboxymethyl Cellulose

Ashland Aqualon CMC Sodium Carboxymethyl Cellulose – Frequently Asked Questions (FAQ)

Q1: What are the primary functional benefits of Ashland Aqualon CMC in aqueous formulations?

A: Ashland Aqualon CMC functions primarily as a thickener, stabilizer, and suspending agent in water-based systems. It enhances viscosity, improves particle suspension, reduces syneresis, and contributes to improved film-forming and binding properties across diverse applications such as paints, adhesives, pharmaceuticals, and food.

Q2: How does the degree of substitution (DS) affect performance in different applications?

A: The degree of substitution influences solubility, viscosity profile, salt tolerance, and thermal stability. Higher-DS grades generally offer better solubility in cold water and improved compatibility with electrolytes, while lower-DS variants may provide stronger gel strength or enhanced film-forming behavior—selection depends on the specific formulation environment and performance targets.

Q3: Is Ashland Aqualon CMC compatible with common industrial additives like surfactants, biocides, and pigments?

A: Yes, Ashland Aqualon CMC is broadly compatible with anionic, nonionic, and many cationic surfactants, as well as common preservatives and pigment dispersions. However, compatibility should be verified experimentally in final formulations—especially when high concentrations of multivalent ions or strongly cationic agents are present.

Q4: What is the typical dosage range for effective viscosity modification?

A: Dosage depends on the desired viscosity level and system composition, but Ashland Aqualon CMC is typically used at low concentrations—generally ranging from 0.1% to 2% by weight—to achieve significant rheological effects without compromising other formulation properties.

Q5: Can Ashland Aqualon CMC be used in food-grade or pharmaceutical-grade applications?

A: Certain Ashland Aqualon CMC grades are manufactured and certified to meet food-grade (e.g., FCC, JECFA) and/or pharmaceutical-grade (e.g., USP/NF, EP) specifications. Users must select the appropriate grade designated for the intended regulatory use and confirm compliance with local requirements before incorporation.