Product Description:
Tetrabromobisphenol A bis(dibromopropyl ether), often abbreviated as TBBPA-DBPE, is a brominated flame retardant (BFR). It is a complex molecule characterized by a high bromine content, which contributes to its effectiveness in inhibiting combustion in various polymeric materials. This additive flame retardant is typically a white or off-white powder. It is incorporated into plastics and resins to reduce their flammability and delay the spread of fire, thereby enhancing the safety of products in applications such as electronics, construction materials, and textiles. Due to its chemical structure, it offers good thermal stability and compatibility with a range of polymers.
Product Properties:
Property Value Chemical Name
Tetrabromobisphenol A bis(2,3-dibromopropyl ether)
Common Abbreviation
TBBPA-DBPE, TBBPA bis(DBPE)
CAS Number
21850-44-2
Molecular Formula
C₂₁H₂₀Br₈O₂ (approximate, can vary slightly with specific isomer)
Molecular Weight
Approx. 943.6 g/mol
Appearance
White to off-white powder
Bromine Content
High (typically >70% by weight)
Solubility
Generally insoluble in water; soluble in some organic solvents like aromatic hydrocarbons and chlorinated solvents
Melting Point
Typically in the range of 80-120 °C (can vary based on purity and mixture)
Key Characteristics
Additive flame retardant, high bromine content, good thermal stability
Primary Use
Flame retardant for plastics and polymers
Product Usage:
Plastics and Polymers:
Polyolefins: Widely used in polypropylene (PP) and polyethylene (PE) to impart flame retardancy for applications like packaging, automotive parts, and consumer goods. For example, in PP films or injection-molded PE components.
Styrenic Polymers: Incorporated into high-impact polystyrene (HIPS), acrylonitrile butadiene styrene (ABS), and expanded polystyrene (EPS) used in electronic housings, appliances, and insulation. For instance, in computer casings or television enclosures.
Engineering Plastics: Used in some engineering thermoplastics like polyamides (nylons) and polyesters (e.g., PBT) for electrical connectors and automotive applications.
Textiles and Coatings:
Back-coatings for Fabrics: Applied to textiles used in upholstery, curtains, and industrial fabrics to meet flammability standards.
Adhesives and Sealants:
Can be incorporated into certain adhesive and sealant formulations to improve their fire resistance.
Rubber Products:
Used in some synthetic rubber formulations to reduce flammability.
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