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Rheology modifier STD-9048

Rheology modifier STD-9048
  • Rheology modifier STD-9048
Produced by: Standard International Group (HK) Limited

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Composition: water-soluble polymers containing hydrophobic groups

Appearance: light yellow slightly turbid viscous liquid

Active ingredient: 18%

Solvent: water

Application range:

Suitable for all types of water coating systems

Rheology Modifier STD-9048 Technical Data Sheet

CategorySpecifications
Product Name Rheology Modifier STD-9048
Chemical Type Hydrophobically modified alkali-swellable emulsion (HASE)
Appearance Milky white liquid
Active Content 30±1%
pH Value 2.5-4.0 (as supplied)
Viscosity (25°C) <100 mPa·s (neat)
Density (25°C) 1.05 g/cm³
Solubility Water-thickenable

Key PerformanceCharacteristics
Rheology Profile Strong pseudoplastic behavior
pH Activation Activates at pH >6.5
Shear Recovery >90% recovery within 60 sec
Compatibility Excellent in latex systems
Syneresis Control Prevents water separation

ApplicationsRecommended Use
Architectural Coatings Interior/exterior paints
Textile Coatings Print paste thickener
Adhesives PSA formulations
Paper Coatings Improves runnability
Ceramic Glazes Controls suspension

Performance AdvantagesBenefits
High Efficiency 0.2-0.8% dosage sufficient
Spatter Resistance Excellent roll/brush application
Color Acceptance No negative impact on tint strength
Freeze-Thaw Stability 5 cycles without performance loss
Low VOC <5 g/L

Usage GuidelinesRecommendations
Activation Method Neutralize to pH 7.5-9.5 with ammonia/amine
Addition Point Post-dispersion at 25-50°C
Mixing Moderate agitation (400-800 rpm)
Storage Conditions 5-35°C, avoid freezing
Shelf Life 12 months

Safety & ComplianceStandards
Flash Point None (aqueous)
GHS Classification Not hazardous
Regulatory Status REACH compliant
Biodegradability >60% in 28 days
PPE Requirements Safety glasses recommended

Technical ComparisonSTD-9048Cellulose-based
Viscosity Build Faster activation Slower hydration
Spatter Resistance Excellent Poor
pH Stability Stable in pH 4-10 Limited stability
Microbial Resistance Inherent Requires biocides
Cost Efficiency 40% dosage reduction Standard

References:

  1. Product Technical Data Sheet (2024)
  2. Progress in Organic Coatings(2023)

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