Solvent-borne, Speciality Additive, Thixotropic Agent

VP 4311-20X Anti-sinking and thickening thixotropic agent (eco-solvent)

4311-20X Anti-sinking and thickening thixotropic agent represents a specialized chemical additive engineered for high-performance eco-solvent liquid systems, specifically targeting pigment stabilization and rheological control. Developed to address the inherent challenges of heavy pigment sedimentation in low-viscosity organic media, this agent utilizes a modified organic compound structure to establish a robust three-dimensional hydrogen-bonded network within the formulation. This structural matrix provides excellent structural viscosity at rest, effectively suspending inorganic and organic pigments to prevent hard-packing during prolonged storage. Unlike traditional thickeners, the 4311-20X variant is optimized for eco-solvent compatibility, ensuring minimal impact on gloss and transparency while maintaining superior flow and leveling properties during application. Its high-efficiency thixotropic index allows for rapid viscosity recovery post-shear, making it indispensable for precision inkjet inks, industrial coatings, and specialized wood finishes where consistency is critical. The product ensures a stable shelf life and consistent application performance across varying temperature profiles in diverse industrial environments.

Attributes

Key Features and Benefits

Outstanding Anti-Sinking Performance: Effectively prevents pigment precipitation and hard-packing, ensuring long-term homogeneity in eco-solvent formulations.
Enhanced Thixotropic Control: Provides shear-thinning behavior for easy application while maintaining high viscosity at rest to prevent sagging on vertical surfaces.
Eco-Solvent Compatibility: Specifically formulated for environment-friendly solvent systems, exhibiting excellent solubility and stability without compromising VOC standards.
Superior Film Quality: Maintains high gloss, clarity, and transparency in finished coatings, minimizing side effects on color strength.
Ease of Incorporation: Low-dusting powder or liquid dispersion forms allow for rapid integration into existing production workflows with minimal high-shear requirements, optimizing overall throughput and modern industrial application efficiency.

Specifications

Technical Highlights

Chemical Composition: High-molecular-weight modified organic polyamide or polyolefin derivative optimized for 4311-20X series specifications.
Rheological Profile: Demonstrates a distinct pseudoplastic flow curve with a thixotropic index range of 4.5 to 6.0 in standard eco-solvent media.
CAS Verification: 4311-20X identifies specific technical grades within the specialized anti-settling agent classification for regulated solvent applications.
Thermal Stability: Maintains structural integrity and thickening efficiency across a temperature range of 15°C to 65°C during storage and processing.
Dosage Parameters: Recommended addition levels vary between 0.2% and 1.5% by weight, depending on pigment density and desired anti-sagging properties for optimal results in high-performance industrial fluid systems.

Download Technical Data Sheet (TDS)

Practical industry uses

Applications

Digital Inkjet Inks: Ideal for eco-solvent large-format printing inks to prevent nozzle clogging and ensure pigment suspension in bulk tanks.
Industrial Coatings: Used in heavy-duty machinery paints and metal primers where high-build and anti-sagging properties are required on vertical surfaces.
Automotive Refinishes: Enhances flake orientation in metallic basecoats and provides consistent viscosity in low-VOC eco-solvent topcoats and primers.
Wood and Furniture Finishes: Improves the application consistency of stains and sealers, preventing sediment formation in storage while ensuring smooth, even surface coverage.
Specialty Screen Inks: Perfect for high-viscosity screen-printing formulations requiring rapid recovery after mechanical shear to maintain intricate detail precision.