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FASCAT® 4100 Catalyst
FASCAT® 4100 is a white solid catalyst composed of butylstannoic acid. It has low loading levels and serves as a versatile synthesizer for producing chemical intermediates.
FASCAT® 4100 catalyst exhibits high activity even at low concentrations. It is mainly employed in synthesizing and manufacturing saturated polyester resins, unsaturated polyester resins, and polymeric plasticizers. This catalyst grade is in a solid state and can accelerate esterification and polycondensation processes within a temperature range of 210°C to 240°C. The FASCAT® 4100 catalyst dissolves in carboxylic acid at 80°C during the process and becomes part of the final product without any impact on its quality.
Specifications
Form: Solid Color: Amorphous white CAS number: 2273-43-0 Formula: BuSn(O)OH Molecular weight: 208.8 Sn %: 55.6 Retained on 20 mesh, %: 2.2 DBT Content, %: 0.3
Primary Chemistry: Butylstannoic acid
Features & Benefits
Insoluble in water and most organics Shortens esterification times compared to uncatalyzed systems Energy savings due to lower reaction temperatures Catalyst minimizes side reactions, such as dehydration and oxidative degradation of polyhydric alcohols and secondary alcohols Neutral pH and noncorrosive Can be used at temperatures up to 250°C
Problems Solved
Lack of temperature performance from other catalysts Catalysts lack hydrostability for specific end applications
Applications
Powder coatings Coil coatings Gel coatings Sheet molding Cast molding
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