Dispersant Selection Requirement Form
Today I would like to share with you the demand questionnaire for dispersants, if you are interested in this document, please feel free to contact me to send it
I. Application Field
Select application scenarios for dispersant (multiple choices allowed):
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Coatings:
□ Industrial Coatings
□ Automotive OEM Coatings
□ Automotive Refinish Coatings
□ High-Temperature Baking Coatings
□ Anti-Corrosion Coatings
□ Fluorocarbon Coatings
□ Other: __________
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Inks:
□ Solvent-Based Inks
□ Water-Based Inks
□ UV Inks
□ Inkjet Inks
□ Glass/Ceramic Inks
□ Other: __________
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Adhesives:
□ Solvent-Based Adhesives
□ Water-Based Adhesives
□ PUR Hot-Melt Adhesives
□ Other: __________
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Composites:
□ Epoxy Resin
□ Unsaturated Polyester Resin
□ Other: __________
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Other Special Applications: __________
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II. Resin System Information
Resin Type:
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System Type: □ Water-Based □ Solvent-Based □ Solvent-Free □ UV-Curable □ Powder Coatings
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Main Components (prioritize primary/secondary):
□ Epoxy □ Polyurethane □ Acrylic □ Fluorocarbon □ Alkyd □ Silicone □ Other: __________
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Resin Solid Content (%): ______ (affects dispersant dosage)
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Resin pH Range: ______ (acidic/alkaline systems require specific dispersants)
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Resin Polarity: □ High □ Medium □ Low □ Non-Polar (must match dispersant polarity)
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III. Solvent System Information
Solvent Type:
□ Water □ Alcohols (e.g., ethanol, IPA) □ Esters (e.g., ethyl acetate) □ Ketones (e.g., acetone)
□ Aromatics (e.g., toluene) □ Ethers (e.g., butyl glycol) □ Xylene □ Solvent-Free □ Other: __________
(Specify ratios for mixed solvents)
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Solvent Polarity: □ High □ Medium □ Low (affects dispersant compatibility)
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Solvent Evaporation Rate: □ Fast □ Medium □ Slow (affects dispersion stability)
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IV. Pigment/Filler Characteristics
Select materials to disperse (multiple choices allowed):
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Pigment Type:
□ Organic Pigments □ Inorganic Pigments □ Carbon Black (specify grade: e.g., N330)
□ Metal Powders (e.g., aluminum) □ Pearlescent Pigments □ Nanomaterials □ Other: __________
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Inorganic Pigments:
e.g., TiO?, CaCO?, BaSO?, Al(OH)?/Mg(OH)? □ Other: __________
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Organic Pigments:
e.g., Phthalocyanine Blue/Green, Permanent Yellow/Red/Orange □ Other: __________
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Metal Pigments:
Aluminum Powder, Bronze Powder, Special Effects (Pearlescent/Fluorescent) □ Other: __________
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Conductive Fillers:
Carbon Nanotubes (CNTs), Graphene, Carbon Black □ Other: __________
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Functional Fillers:
Ceramic Powders, PTFE Micropowders □ Other: __________
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Pigment Particle Size (μm): ______ (nanoscale requires hyperdispersants)
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Pigment Surface Treatment: □ Untreated □?Hydrophobic □ Hydrophilic (affects dispersant adsorption)
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Pigment Concentration (%): ______ (high concentration requires high-efficiency dispersants)
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V. Process Conditions
Dispersion Equipment:
□ Sand Mill □ Three-Roll Mill □ Ball Mill □ High-Speed Disperser □ Other: __________ (shear force affects efficiency)
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Grinding Fineness: □ <5μm □ 5-10μm □ 10-20μm □ >20μm
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Grinding Time: □ <30min □ 30-60min □ >60min
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Addition Method: □ Pre-grinding □ Post-grinding □ Direct Addition
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Dispersion Temperature Range (°C): ______ (high temps require heat-resistant dispersants)
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Dispersion Time (min): ______
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System pH Range: ______ (acidic/alkaline systems require stable dispersants)
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Storage Stability Requirement: □ Short-term (<6 months) □ Long-term (≥6 months) (anti-settling/flocculation needed)
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VI. Performance Requirements
□ Dispersion Stability (anti-flocculation/settling, high shear stability)
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□ Viscosity Control (reduce viscosity, improve flow)
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Post-dispersion Viscosity (mPa·s): ______ (low viscosity requires viscosity-reducing dispersants)
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□ Color Development (enhance brightness/transparency)
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Color Brightness ΔE <1 (vs. standard)
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Transparency ≥90% (550nm wavelength)
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Dispersion Fineness ≤5μm (Hegman ≥7)
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□ Gloss Level (high-gloss/semi-gloss/matte)
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Gloss Requirement: □ High Gloss □ Semi-Gloss □ Matte (affects dispersant MW selection)
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□ Thixotropy (anti-settling/anti-sagging)
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□ Weather Resistance (UV/humidity resistance, anti-yellowing)
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□ Conductivity (enhance conductive/anti-static properties)
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□ Other: __________
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VII. Environmental & Regulatory Requirements
VOC Content Restrictions: □ None □ Low VOC (<50g/L) □ Zero VOC (affects solvent-based dispersant choice)
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Certifications: □ RoHS □ REACH □ FDA □ Other: __________ (food-grade/toy-grade requires specific certifications)
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VIII. Supplier Service Requirements
Sample Needed: □ Yes □ No (specify quantity: ______)
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Technical Support: □ Formulation Optimization □ On-site Guidance □ Other: __________
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Delivery Time: ______ (days) (urgent projects require stock availability)