gantrez an-139 cas 9011-16-9

Chemical Name: GantrezAN-139
CAS No.: 9011-16-9
Molecular Fomula: C21H24O12X2
Molecular weight: 468.41
Appearance: Fluidity white powder
Assay:>98%

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Gantrez AN-139 (CAS 9011-16-9) Comprehensive User Guide

Table of Contents

1. Product Overview & Specifications

Parameter Specification
Chemical Name Poly(methyl vinyl ether-alt-maleic anhydride)
CAS Number 9011-16-9
Molecular Formula (C4H4O3·C3H6O)x
Molecular Weight 10,000-50,000 g/mol (variable)
Appearance White to off-white powder
Solubility Water, polar solvents
Storage Conditions 2-8°C in airtight container

2. Key Applications & Industry Uses

Primary Functional Roles:

  • Adhesive Formulations: Film-forming agent for pressure-sensitive adhesives
  • Coatings Industry: Crosslinking agent for water-based coatings
  • Personal Care: Fixative polymer in hair styling products
  • Pharmaceuticals: Enteric coating material for tablets
  • Textile Processing: Dye-fixing agent for synthetic fibers

3. Performance Comparison Table

Feature Gantrez AN-139 Competitor A Competitor B
Viscosity (25°C) 450-650 mPa·s 300-400 mPa·s 700-900 mPa·s
pH Stability 3.0-9.0 4.0-8.5 2.5-10.0
Thermal Resistance 180°C 160°C 200°C
Film Flexibility Excellent Good Moderate

4. Operational Guidelines & Safety

  • Optimal Concentration: 2-5% w/w in final formulations
  • Mixing Protocol: Gradual addition to pre-heated (40°C) solvent
  • Safety Precautions:
    • Use NIOSH-approved respirator when handling powder
    • Avoid contact with strong oxidizers
    • Emergency eye wash stations required in work areas

5. Real-World Case Studies

Case Study 1: Adhesive Manufacturer (Germany)

  • Challenge: Needed high-temperature resistance for automotive labels
  • Solution: 3.2% AN-139 in acrylic adhesive matrix
  • Result: Achieved 200°C resistance with 85% shear strength improvement

Case Study 2: Cosmetic Company (USA)

  • Challenge: Develop alcohol-free hair spray with 12hr hold
  • Solution: AN-139/PVP copolymer system at 4:1 ratio
  • Result: 14hr hold time with 30% less residue vs previous formula

Case Study 3: Pharmaceutical Coating (India)

  • Challenge: Delayed drug release in intestinal environment
  • Solution: 15μm AN-139 enteric coating
  • Result: 98% drug release at target pH vs 82% with cellulose acetate

6. Technical Inquiry & Ordering

For formulation assistance or bulk pricing:

Request SDS/TDS documents:

  • Specify required language (EN/CN/DE)
  • Include intended application details
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