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Modified Polysilazane Products
Ceraset B, A, T, Z, H, are low viscosity polysilazanes that provide excellent opportunity for pre-pregging with subsequent B-staging. B-staging can be accomplished for each of these Polysilazanes by heating to 260 degrees Fahrenheit for a period of 10 minutes. The B-staged polymer is a partially cured, flexible solid that can subsequently be post-cured to a rigid solid by heating to higher temperatures.
Ceraset PUMVS
"Polyurea(methyvinyl)silazane"
Ceraset PUMVS is the base polymer used to prepare the metal-modified polysilazanes below. It was originally offered under the trade name “Ceraset®” by KiON corporation. Ceraset poly(urea)methylvinylsilazane is a low viscosity, thermally crosslinkable SiCN precursor polymer that can be used in a variety of demanding applications including ceramic matrix composites (CMC's), non-oxide silicon ceramics manufacturing, 3D printing, and much more.
Ceraset B
Pre-Preggable B-Stageable PolyBoroSilazane (PBS)
The incorporation of boron into a polysilazane results in a ceramic having high temperature oxidation resistance. It can also assist in densification and crack-prevention through glassy liquid phases promoted by in-situ oxidation of the boron component to boron oxides. The resulting ceramic incorporates tough, shock-resistant forms of SiBCN.
Ceraset A
Pre-Preggable B-Stageable PolyAluminoSilazane (PAS)
The pyrolysis of polyaluminosilazanes results in the formation of several useful ceramic phases, including SiAICN, SiAION, and SiCAION. Desirable properties of such ceramic phases include oxidative resistance, thermal resistance greater than 1400C, corrosion and oxidation resistance in 1100C water vapor environments. It also performs well in NaCL accelerated corrosion testing.
Ceraset T
Pre-Preggable B-Stageable PolyTitanoSilazane (PTS)
High temperature and corrosion resistant ceramic phases of SiCN-TiO/N are possible using this Ti modified polymer. Both TiO2 and TiN ceramic phases are formed. TiO2 has a particularly high Refractive Index constant of 2.6112 and is suitable for optical applications.
Ceraset Z
Pre-Preggable B-Stageable PolyZirconoSilazane (PZS)
With the incorporation of a significant fraction Zirconium oxide, our zirconosilazane can be used in the highest temperature ceramic applications. Once pyrolyzed, the zirconosilazane forms a highly thermally stable ceramic (SiCN-ZrO) that shows little to no mass loss to ~1500C. Fibers drawn from such zirconosilazanes can reach tensile strengths of 2.8GPa, with higher oxidative resistance than the un-modified ceramic.
Ceraset H
Pre-Preggable B-Stageable PolyHafnoSilazane (PHS)
In addition to its ultra-high temperature applications, high HfO2-SiCN ratios in the pyrolysis product of this polymer can result in highly oxidation-resistant HfSiO4 layers in the ceramic that are stable at UHT conditions in air and streaming vapor with no volatilization. These layers form liquid HfSiO4 phases at temperatures above 1,750C that can assist in consolidation and durability of the ceramic at ultra-high temperatures.