TBPB

  • Tert-Butyl Peroxybenzoate (TBPB) – High-Efficiency Polymerization Initiator

    Product Overview

    Tert-Butyl Peroxybenzoate (CAS No. 614-45-9), also widely known as TBPB, is a premium-grade organic peroxide essential for the radical polymerization of various resins. As the leading EPS additive solution provider, Senthos Group offers Tert-Butyl Peroxybenzoate with high purity and exceptional thermal stability, making it the preferred high-temperature initiator for EPS, LDPE, and unsaturated polyester industries.

    Technical Specifications (TDS)

    PropertySpecification
    Chemical NameTert-Butyl Peroxybenzoate
    AbbreviationTBPB
    CAS Number614-45-9
    AppearanceClear Light Yellow Liquid
    Assay≥ 98.5%
    Active Oxygen8.12%
    Water Content≤ 0.20%
    Acidity (as Benzoic Acid)≤ 0.05%

    Why Tert-Butyl Peroxybenzoate (TBPB) is Essential for EPS

    In the Expanded Polystyrene (EPS) suspension polymerization process, Tert-Butyl Peroxybenzoate plays a critical role as a secondary initiator.

    • Monomer Conversion: Tert-Butyl Peroxybenzoate activates at elevated temperatures to ensure maximum styrene monomer conversion, significantly reducing residual levels.

    • Polymer Stability: By utilizing high-purity TBPB, manufacturers can achieve better molecular weight distribution and enhanced mechanical strength in the final EPS foam.

    • Synergistic Efficiency: When paired with BPO, Tert-Butyl Peroxybenzoate creates a temperature-graded system that optimizes the entire reaction cycle.

    Applications of Senthos Tert-Butyl Peroxybenzoate

    1. EPS & XPS Production: The primary high-temperature initiator for bead formation.

    2. LDPE Synthesis: Tert-Butyl Peroxybenzoate acts as a reliable catalyst for low-density polyethylene production.

    3. Unsaturated Polyester (UP) Resins: Used for high-temperature curing of UP resins and acrylic esters.

    4. Crosslinking Agent: TBPB serves as an effective crosslinking agent for various rubber and plastic polymers.

    Compliance & Global Logistics

    Our Tert-Butyl Peroxybenzoate is fully compliant with international safety and chemical regulations. We provide secure packaging in 20kg PE drums and offer comprehensive documentation, including TDS and MSDS. Senthos ensures that every batch of TBPB meets the stringent quality standards required for global export to Europe, the Americas, and Southeast Asia.

     
Download TDS (PDF)