Dispersing Agent, Solvent-borne, Speciality Additive

VP 6880 UV resin-free dispersant

As an industrial chemist specializing in radiation-curable systems, I recognize the UV resin-free dispersant (Model/CAS 6880) as a pivotal additive for high-performance formulation. This high-molecular-weight block copolymer is engineered specifically to address the challenges of pigment stabilization in UV-curable environments where traditional resin-based carriers might compromise the final film properties. By utilizing a resin-free design, this dispersant ensures that the additive does not contribute to the ‘resin demand’ of the system, allowing for significantly higher pigment loading and lower Newtonian viscosity. Its molecular structure features specialized pigment-affinic groups that provide robust anchoring onto various organic and inorganic pigment surfaces, while the solvated polymer chains offer powerful steric stabilization. This prevents flocculation, settling, and viscosity drift over time. In the context of modern industrial coatings and inks, 6880 is essential for achieving the transparency, gloss, and color development required in thin-film applications like inkjet and electronic coatings.

Attributes

Key Features and Benefits

  • Dramatic viscosity reduction: Allows for high-pigment-load concentrates while maintaining excellent flowability.
  • Superior color development: Enhances transparency and color intensity through optimal particle size distribution.
  • Long-term stability: Prevents pigment flocculation and sedimentation, significantly extending shelf life.
  • Resin-free composition: Minimizes interference with the curing matrix and allows for maximum formulation flexibility.
  • Enhanced surface gloss: Smooths the cured film surface, reducing haze and increasing overall reflectivity.
Specifications

Technical Highlights

  • Chemical Architecture: High molecular weight block copolymer with optimized pigment-affinic groups.
  • Concentration: 100% active matter content, ensuring no solvent interference during the UV curing process.
  • Monomer Compatibility: Exhibits excellent solubility in common UV monomers such as TPGDA, DPGDA, and TMPTA.
  • Stabilization Mechanism: Provides robust steric hindrance to effectively stabilize organic pigments and carbon blacks.
  • Mechanical Integrity: Maintains the cross-linked polymer network’s strength without inducing unwanted plasticizing effects.

Download Technical Data Sheet (TDS)

Practical industry uses

Applications

  • UV Digital Printing: Ideal for piezoelectric inkjet inks requiring ultra-low viscosity and high stability.
  • Electronic Materials: Used in the formulation of UV-curable solder masks and color filters for high-end displays.
  • Industrial Coatings: Applied in high-performance UV-cured finishes for wood, plastics, and automotive components.
  • Pigment Concentrates: Serves as a universal grinding aid for high-concentration, resin-free pigment pastes.
  • Flexographic Inks: Enhances ink transfer and print quality in high-speed UV flexographic printing applications.
Key Sectors

Target Industries

Discover more

Related products

Key Sectors

We’re Here to Support Your Chemical Sourcing Needs

Have a question or need a quote? Our team is here to help with product details, pricing, and global delivery options.

Send a message to us

Your email address will not be published. Required fields are marked *