Liquid polycarbosilane (ZQ-C20)
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Liquid polycarbosilane (ZQ-C20)
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Product Overview
This product is a solvent-free, low-viscosity liquid organosilicon polymer. Its molecular structure contains crosslinkable active groups such as Si-H and allyl groups, which can be crosslinked and cured under mild conditions. The cured product can be converted into silicon carbide ceramics with high yield by pyrolysis under an inert atmosphere.
Performance Characteristics
This liquid polycarbosilane has good fluidity and, as a silicon carbide ceramic precursor, has a high ceramic yield. It is especially suitable as a matrix resin for preparing silicon carbide ceramic matrix composites by the polymer impregnation pyrolysis (PIP) method. Its low viscosity and good moldability make it an excellent matrix resin for PIP processes, eliminating the need for solvents and significantly improving impregnation efficiency and shortening the process cycle compared to solid polycarbosilanes.
Technical Indicators
Item Indicator Appearance Light yellow transparent liquid Viscosity (25℃) / mPa·s ≤100 Ceramic yield of cured product (900℃, Argon) / wt% ≥75.0 Oxygen content of pyrolysis product (900℃) wt% ≤2.5 Main Applications
Matrix resin for ceramic matrix composites (CMCs); 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 in a sealed container below 4℃. Handle with care during transportation to prevent collision and damage.
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This product is a solvent-free, low-viscosity liquid organosilicon polymer. Its molecular structure contains crosslinkable active groups such as Si-H and allyl groups, which can be crosslinked and cured under mild conditions. Pyrolysis of the cured product under an inert atmosphere can be converted into silicon carbide ceramics with high yield.
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