Composite tooling material having vinyl ester resins and fillers
AssigneeComposite Technology Group, LLC
InventorRichard M. Anders
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Abstract
A vinyl ester resin/filler composite is disclosed which has a glass transition temperature of at least 315.degree. C. when cured. One version of the composite includes tabular alumina as a filler. Another version of the composite includes a powdered base nickel alloy as a filler. The composite is especially advantageous when used to build tools for use in plastic molding machines and processes.
Claims21
A durable, high temperature tooling composition comprising vinyl ester resin, from about 70% w/w to about 90% w/w tabular alumina, a promoter, and a catalyst.
A durable, high temperature tooling composition comprising vinyl ester resin, a filler system of particulate fillers, a promoter, and a catalyst, wherein said composition has a T.sub.g of at least 315.degree. C. when cured.
Dependencies are inferred from the claim text.