Liquid polyborosilazane (ZQ-B400)

This product is a solvent-free liquid silicon-boron hybrid polymer. Its molecular structure contains crosslinkable active groups such as vinyl groups, and it can be crosslinked and cured under relatively mild conditions. Pyrolysis of the cured product under an inert atmosphere can convert it into silicon boron carbon nitride (SiBCN) ceramic, while pyrolysis under ammonia can convert it into silicon boron nitride (SiBN) ceramic.

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Liquid polyborosilazane (ZQ-B400)

  • Details
  • Product Overview

      This product is a solvent-free liquid silicon-boron hybrid polymer. Its molecular structure contains cross-linkable active groups such as vinyl, which allows for cross-linking and curing under relatively mild conditions. The cured product can be converted into silicon boron carbon nitride (SiBCN) ceramic by pyrolysis under an inert atmosphere, and into silicon boron nitride (SiBN) ceramic by pyrolysis under ammonia.

    Performance Characteristics

      This product is a flowable liquid at room temperature, has good processing properties, mild curing and cross-linking conditions, and good storage stability; it exhibits good adhesion to metals, ceramics, and graphite; and it can be pyrolyzed under relatively mild conditions to obtain SiBCN and SiBN ceramic products.

    Technical Indicators

    Item Indicator
    Appearance Yellow transparent liquid
    Viscosity (80℃) / mPa·s 200-500
    Ceramic yield (1200℃, Argon) wt% ≥50.0
    Oxygen content of pyrolysis product / wt% ≤2.5

    Main Applications

      Precursor resin for the preparation of silicon boron carbon nitride (SiBCN) ceramic matrix composites by polymer infiltration pyrolysis (PIP); base resin for high-temperature adhesives; raw material for high-temperature oxidation-resistant ceramic coatings; thermosetting resin; organic-inorganic hybrid materials.

    Packaging and Transportation

      Packaged in 10L and 25L plastic drums; special packaging is available upon customer request. It is recommended to store it in a sealed container below 4℃. Handle with care during transportation to prevent collisions and damage.

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