Dispersants

Lubrizol offers a robust portfolio of dispersant technology for a wide range of ink and coating systems to deliver a diverse set of performance requirements. Including solvent-borne dispersants, water-borne dispersants, universal dispersants, specialty dispersants, and dispersant synergists, Lubrizol's innovative portfolio is available to meet your diverse formulation needs.

Solvent-Borne Dispersants

Solvent-borne dispersant technology from Lubrizol allows the production of highly loaded, highly stable and broadly compatible dispersions for a variety of particles in 1K and 2K coatings, paints and primers, as well as solvent-based inks. Our high performance, solvent-borne dispersant technology contains polymeric stabilizing chains selected for solubility in a wide variety of solvents, including non-polar aliphatic and aromatic hydrocarbons, medium-polar solvents, such as esters and ketones, and polar solvents such as alcohols. Dispersants are available as 100% active and in a variety of diluents. 

Our line of Solsperse™ hyperdispersants for solvent-based ink and coating systems provide excellent compatibility with a wide range of resins and other formulation components. Our dispersant anchor groups are optimized for strong adsorption to organic and inorganic pigments as well as carbon black and other particles such as fillers. The optimum dosage is determined by the particle’s surface area. Solvent-based Solspersedispersant technology allows the production of sterically stabilized dispersions with higher solids content, lower viscosity, and improved viscosity and particle size stability compared to dispersions made using grind resins or lower molecular weight dispersants.

Water-Borne Dispersants

Water-borne dispersant technology from Lubrizol allows the production of highly loaded, highly stable and broadly compatible dispersions for a variety of particles in applications such as conventional and digital aqueous inks as well as aqueous coatings, paints and primers. High performance water-borne dispersant technology contains polymeric stabilizing chains selected for solubility in an aqueous medium in combination with a variety of humectants, coalescing aids and cosolvents.  Lubrizol dispersants provide excellent compatibility with a wide range of resins and other formulation components. Our dispersant anchor groups are optimized for strong adsorption to organic and inorganic pigments as well as carbon black and other particles such as fillers.  The optimum dosage is determined by the particle’s surface area. In water-borne systems, in addition to the nature of the particle surface, the pH and presence or absence of a grind resin is critical to product selection.

Our portfolio of SolsperseTM hyperdispersants for water-based ink and coating systems allows the production of sterically stabilized dispersions with higher solids content, lower viscosity, and improved viscosity and particle size stability compared to dispersions made using grind resins or lower molecular weight dispersants such as surfactants. Lubrizol also offers a range of polyacrylate and polycarboxylate copolymers and terpolymers. Carbosperse™ dispersants are suitable for high solids dispersion of inorganic pigments and particles across a broad pH range in various waterborne applications.

Specialty Dispersants

Lubrizol’s portfolio of Solsperse™ hyperdispersants also includes a line of specialty dispersant technology that allows the production of highly loaded, highly stable and broadly compatible dispersions for a variety of particles in applications requiring 100% solid additives such as energy-curable inks and coatings as well as in thermoset and thermoplastic applications. Our specialty dispersants range from solid powders to 100% active flowable liquids. High performance specialty dispersant technology contains polymeric stabilizing chains selected for solubility in a given continuous phase and/or resin combination. Our dispersant anchor groups are optimized for strong adsorption to organic and inorganic pigments as well as carbon black and other particles such as fillers.    The optimum dosage is determined by the particle’s surface area. This technology allows the production of sterically stabilized dispersions with higher solids content, lower viscosity, and improved viscosity and particle size stability compared to dispersions made using resins or lower molecular weight dispersants.  

Solplus™ hyperdispersants and coupling agents provide high pigment/filler loading and increased color strength in thermoset and thermoplastic applications, such as unsaturated polyester- or polyol-based color concentrates and liquid or solid color masterbatch. Solplus hyperdispersants are also suitable for a wide variety of pigment and particle treatment applications.

Universal Dispersants

Universal dispersant technology, another line of dispersants in the Solsperse™ hyperdispersant portfolio, enables the production of APE-free and very low VOC water-based universal colorants designed for use in architectural or deco paints.  Colorants based on our universal dispersants are highly storage stable and are compatible in aqueous or solvent-borne bases employed in point-of-purchase tinting schemes. The use of universal dispersants provides excellent colour acceptance and consistent colour reproducibility in colourants based on inorganic, organic, carbon black, and extender pigments.

Synergists

For difficult to disperse pigments, Lubrizol’s portfolio of SolsperseTM hyperdispersants also includes synergist technology that offers a very successful approach for anchoring to the particle surface. Synergists are pigment derivatives which have very strong affinity for certain pigment types. The synergists anchor to a particle surface thereby providing functionality to enhance the adsorption of polymeric dispersing agents. The combination of synergist and dispersant enables the production of highly loaded, highly stable and broadly compatible dispersions for otherwise difficult to disperse pigments for use in a wide range of applications including coatings, paints, primers and inks.

Our synergists and dispersant technology together facilitate the production of sterically stabilized dispersions with higher solids content, lower viscosity, and improved viscosity and particle size stability compared to dispersions made using grind resins or lower molecular weight dispersants. SolsperseTM synergists and dispersants provide excellent compatibility with a wide range of resins and other formulation components. Optimum dosages of both synergist and dispersing agent are determined by the particle’s surface area.