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Vazo™ 64 AIBN Free Radical Initiator
Vazo™ 64 is an oil-soluble AIBN (azobisisobutyronitrile) free radical initiator designed for medium-temperature polymerization reactions. Its ability to reduce polymer polydispersity and simplify reaction conditions makes it preferred for producing high-performance polymers and specialty materials in a range of industries.
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- Manufacturer: Chemours
- Product Line: Vazo™ Free Radical Initiators
- Product: Vazo™ Free Radical Initiators
- Industries: Adhesives | Care Chemicals | Coatings | Elastomers
- Authorized Countries: Austria | Benelux | Canada | France | Germany | Italy | Mexico | Spain | Switzerland | United Kingdom | United States
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Overview
Vazo™ 64 is an AIBN (azobisisobutyronitrile) initiator that decomposes when exposed to heat or light to form nitrogen gas and free radical intermediates. Its most common use is as a radical initiator in free radical polymerization reactions to produce polymers with low branching, cross-linking, and polydispersity. Vazo™ 64 is not sensitive to pH, will not undergo redox reactions, and can be mixed with several other initiators without undergoing radical-induced decomposition.
In addition, Vazo™ 64 generates free radicals that do not abstract hydrogen from growing polymer chains, giving chemists more control over the polymerization reaction and the polymer’s final structure and molecular weight. Vazo™ 64 is generally safer than compounds like organic peroxide initiators and can produce polymer structures with higher fidelity.
Like other Vazo™ grades, the number in the grade name indicates the 10-hour half-life temperature. Therefore, Vazo™ 64 has a 10-hour half-life in solution at 64°C and is recommended for polymerizations that occur at 45°C–90°C. However, it is possible to use it outside of this range. Vazo™ 64 should be transported and stored away from light, flames, and ignition sources at a maximum of 24°C to ensure product quality and safety.
Specifications
Molecular weight, g/mol: 162.21
Appearance: White noodles
Purity, % min: 98.0
Water, max wt%: 0.5
Acetone insolubles, max wt%: 0.1
APHA color, max: 15
Iron, max ppm: 20
CAS number: 78-67-1
Primary Chemistry: Azobisisobutyronitrile (AIBN)
Primary Chemistry: Azobisisobutyronitrile (AIBN)
Features & Benefits
- Free radical source
- Decomposition is not pH sensitive
- Allows for higher control of polymerization and polymer structure
- Safer than other common radical initiators, such as organic peroxides
- Will not undergo redox reactions
- Can be mixed with other radical initiators without undergoing radical-induced decomposition
Problems Solved
High polydispersity of polymerization reaction products Generation of color-forming impurities during polymerization Polymer-chain defects Branching or cross-linking during polymerization Health and safety hazards associated with using organic peroxide initiators
Applications
Acrylic polymer production: Used for polymerizing acrylate monomers to create resins and coatings with high durability, clarity, and weather resistance for automotive, industrial, and architectural applications Vinyl polymer manufacturing: Initiates the polymerization of vinyl chloride and other monomers to produce PVC for the construction, healthcare, and packaging industries Elastomers and rubbers: Enables the production of high-quality synthetic elastomers for tires, seals, and gaskets Adhesives and sealants: Contributes to developing high-quality resins used in adhesives and structural sealants for maximum bonding properties and chemical resistance Coatings: Facilitates the production of resins used in coatings for metals, wood, and plastics Specialty resins: Used in creating high-performance resins that offer excellent heat resistance and mechanical strength for aerospace, automotive, and industrial applications Electronic materials: Supports the synthesis of polymers for electronic components, such as circuit boards, insulating materials, and conductive coatings Medical polymers: Enables the production of biocompatible polymers for medical devices, surgical tools, optical applications, and drug delivery systems Water treatment polymers: Aids in synthesizing flocculants and coagulants for efficient water purification processes Textile finishes: Used in polymer formulations that enhance fabric durability, wrinkle resistance, and water repellency Oilfield chemicals: Contributes to developing polymers used in enhanced oil recovery, drilling fluids, and cementing operations Agriculture: Assists in producing controlled-release fertilizers and pesticides, ensuring efficient nutrient and chemical delivery Paper coatings: Enables the creation of polymer-based coatings that enhance paper strength, gloss, and printability Food packaging films: Used in synthesizing food-safe polymers for flexible packaging with barrier protection and extended shelf life Automotive polymers: Supports the development of lightweight, high-strength polymers for automotive components, improving fuel efficiency and durability Cosmetic and personal care polymers: Used in formulating polymers for thickening, film formation, and water resistance in skin care and cosmetic products Foam production: Aids the creation of rigid and flexible foams for insulation, cushioning, and packaging applications
Related Applications
Coatings
Related Chemistries
Related End Markets
Elastomers
Related Functions
Adhesives
Care Chemicals
Coatings
Elastomers
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