Lansperse DS80

Lansperse DS80 is an APE‑free, VOC‑free anionic surfactant specifically developed as a high‑efficiency dispersing and wetting agent for water‑based formulations. It is designed to deliver strong pigment wetting, enabling rapid penetration of pigment agglomerates while promoting a uniform particle size distribution. Through a combined mechanism of electrostatic repulsion and steric hindrance, Lansperse DS80 effectively prevents re‑agglomeration of pigments and inorganic solids, resulting in stable, finely dispersed systems even under demanding formulation conditions.

​

In aqueous paints, coatings, inks, and other waterborne systems, Lansperse DS80 helps maintain long‑term dispersion stability, improving color development, gloss, uniformity, and overall product consistency. Its anionic nature, along with a relatively high active content of 78–82%, contributes to its strong affinity for many organic and inorganic pigment surfaces, ensuring efficient stabilization throughout the milling and let‑down stages of production. The product exhibits a characteristic hazy pale‑straw liquid appearance, with a viscosity of approximately 978 cP at 25 °C, and is soluble in water as well as a wide range of polar solvents.

 

Lansperse DS80 can function as a primary dispersant on its own, delivering excellent performance in many common pigment dispersions. However, for more complex or hydrophobic pigments—such as certain yellows, reds, and phthalocyanine blues—it is frequently used in combination with nonionic dispersants like Lansperse DS200W, which provides additional steric stabilisation. This anionic–nonionic pairing broadens compatibility across a large range of pigment chemistries and often results in more robust and stable dispersions under temperature, shear, and storage stress.

​

Overall, Lansperse DS80 offers formulators a versatile, environmentally responsible, and technically reliable dispersant option for modern aqueous systems. Its balance of wetting power, stabilisation efficiency, and formulation flexibility makes it suitable for use in water‑based coatings, inks, pigment concentrates, and general aqueous dispersions, where consistency, stability, and pigment performance are critical to end‑use quality.

​

Key Features

​

Powerful Dispersing & Wetting Performance - Provides strong pigment wetting and highly effective dispersion, using both electrostatic and steric stabilisation to prevent pigment re‑agglomeration in aqueous systems.

APE‑Free, VOC‑Free Anionic Surfactant - Formulated without APEs or VOCs, making it suitable for environmentally compliant water‑based inks, paints, and coatings.

Broad Compatibility & Synergistic Use with Other Dispersants - Works effectively across a wide range of pigment types and can be combined with complementary dispersants—particularly the nonionic Lansperse DS200W—for enhanced stability and performance.

​

Applications

​

Lansperse DS80’s chemistry is utilised in various industries beyond paints and inks.

​

Aqueous Pigment Dispersions
- Functions as an anionic dispersant providing electrostatic stabilisation, preventing pigment re‑agglomeration and maintaining stable, fine‑particle dispersions in water‑based systems.

​

Water‑Based Inks
- Improves pigment wetting and dispersion stability in flexographic, gravure, and other waterborne ink systems, supporting strong colour development and uniformity.

​

Water‑Based Paints & Coatings
- Used to stabilise pigments in architectural and industrial aqueous coatings, supporting smooth dispersion, improved appearance, and long‑term stability.

​

Dual‑Dispersant Systems (Used with Lansperse DS200W)
- Often combined with the nonionic dispersant Lansperse DS200W, where DS80 provides electrostatic stabilisation and DS200W provides steric stabilisation.

​

Agrochemicals (Crop Protection)
- Acts as a dispersant, emulsifier, and wetting agent in SC, EC, WP and WG crop‑protection formulations.
- Provides high electrolyte tolerance, broad pH stability, and prevents settling in suspension concentrates.
- APEO‑free for regulatory‑compliant agrochemical formulations.

​

Emulsion Polymerisation (Latex Manufacture)
- Serves as an emulsifier and particle stabiliser for latex production, promoting fine particle formation, low coagulum, improved freeze–thaw stability, and better film adhesion.
- Used both in the initial monomer charge and as a post‑additive stabiliser.

​

Textile Processing (Dyeing & Finishing)
- Functions as a wetting and penetrating agent, dye dispersant, and emulsifier for oils and waxes.
- Offers rapid wetting, low foaming, and stability under high‑alkali and high‑temperature conditions.
- APEO‑free, aligning with textile-sector compliance standards (e.g., ZDHC).

​

Metalworking Fluids
- Used as a co‑emulsifier and wetting agent in soluble oils and semi‑synthetic coolants.
- Improves emulsion stability, supports lubricity and mild EP performance, and provides corrosion inhibition through phosphate adsorption on metal surfaces.

​

Lansperse DS80 is an APE‑free, VOC‑free anionic dispersing agent designed for aqueous pigment dispersions, inks, and paints. As an anionic surfactant, it provides strong electrostatic stabilisation, preventing pigment particles from re‑agglomerating and helping to maintain fine, stable dispersions in water‑based systems. With an active content of 78–82% and excellent solubility in water, Lansperse DS80 supports rapid pigment wetting and efficient dispersion across a wide range of pigment types.

​

Lansperse DS80 is widely used as a co‑dispersant alongside the nonionic Lansperse DS200W. While DS200W offers steric stabilisation, Lansperse DS80 contributes electrostatic charge stabilisation—together forming a dual‑stabilisation system that significantly improves color development, gloss, and long‑term stability, especially for more difficult or hydrophobic pigments. This synergy is reflected in recommended pigment formulations: many pigments rely on the Lansperse DS200W + Lansperse DS80 combination, Lansperse DS80 is also used alone where only electrostatic stabilisation is needed—for example, in White 6.

 

Overall, Lansperse DS80 is a highly effective anionic dispersing agent that enhances pigment wetting, improves dispersion stability, and—when paired with Lansperse DS200W—delivers a robust, high‑performance system suited to a broad range of water‑based coatings, inks, and pigment concentrates.

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​​

​

​

​

​

​

​

​

​

​

​