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Vazo™ 44 WSP
Vazo™ 44 WSP is a water soluble azo initiator from Chemours Vazo family. It efficiently generates free radicals upon heating to start polymerizations in bulk, solution, suspension, and emulsion syustems- particularly suited for aqueous-based formulations.
Chemours Vazo™ 44 WSP is tailored for polymer manufacturers, adhesives, and coating producers needing a water-compatible, versatile free radical source. Its controlled decomposition helps produce polymers with consistent molecular weight distributions and minimal color formation.
Specifications
Form: Solid solution Colour: White and pale yellow Half-Life (10h): ~44°C reference helf-life grade Decomposition Range: Approximately 40-60°C, depending on concentration Solubility: Fully soluble in water, also compatible with organic solvents
Features & Benefits
Features:
Water Soluble azo initiator
Predictable thermal decomposition
Resistant to contaminants
Low discoloration
No hydrogen abstraction
Wide polymerization compatibility
Decomposes cleanly to N2 gas
Benefits:
Ideal for emulsion and suspension polymerizations
First-order kinetics
Works well even with metal ions or dyes
Ideal for clear coatings and UV-sensitive polymers
Produces polymers with fewer defects and better stability
Suited to acrylics, vinyls, halogenations, crosslinking
No residue or complications post reaction
Problems Solved
Inconsistent polymerization initiation
Discoloration/yellowing in transparent polymers
Uncontrolled radical reactions and gel formation
Contamination sensitivity
Need for low-VOC, water based formulation initiators
Applications
Emulsion Polymerization:
Use: initiation of latexes, synthetic rubbers, acrylic emulsions.
Benefits: Superior mixing and initiation rate due to water solubility.
Aqueous Adhesive & Coating:
Use: Vinyl-acrylic, styrene-acrylic emulsions.
Benefit: Minimizes VOCs and enhances clarity, durability, and film properties.
Bulk or Solution Polymerization:
Use: Production of acrylic resins, styrenics.
Benefit: Cleaner radical source with precise molecular control.
Crosslinking & Copolymerization:
Use: Grafting, controlled network formation.
Benefit: Reduced defects through selective radicals.
Halogenation & Oxidation Reactions:
Use: Initiating free-radical halogenation or oxidation.
Benefit: High-temperature-resistant initiator for lab/reactor processes.
Low-VOC & Waterborn Systems:
Use: RAFT, CCT, coatings aiming for environmental compliance.
Benefit: Supports regulatory-compliant formulations.
Specialty & Clear Polymers:
Use: UV-cured, optical-grade, biomedical.
Benefit: Low yellowing, defect-free final polymers.
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ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
Thank you
Thank you for your inquiry and interest in ChemPoint. We will respond to you shortly.
ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
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