In the realm of advanced ceramics, polymethylsilane (PMS) is emerging as a game-changing material. This yellow translucent liquid polymer at room temperature has become an ideal precursor for high-performance silicon carbide (SiC) ceramics due to its unique molecular structure.
Key Features
Molecular Advantage: Rich Si-C bonds enable high-efficiency conversion to SiC with low residual carbon and high purity.
Processing Flexibility: Liquid form allows uniform coating via impregnation/spraying for complex shapes.
Outstanding Properties: Resulting SiC ceramics exhibit high-temperature resistance (>1600°C), oxidation stability, and superior strength.
Applications
Cf/SiC Composites: Thermal protection for spacecraft, brake systems
SiC Coatings: Enhances wear/corrosion resistance of metal components
Nuclear Cladding Materials: Excellent neutron absorption capability
With China's rapid progress in high-end manufacturing, PMS is transitioning from lab-scale to industrial production, promising broader applications in (new energy) and semiconductor sectors.