Shell Oil Comapny

Glenda Carole Young

Larry S Corley

Derek Scott Kincaid

A substrate is coated or impregnated with a composition comprising an a) epoxy resin, b) a liquid amine-terminated polyamide curing agent prepared by condensing an aminoalkylpiperazine and a long-chain dicarboxylic acid, ester or chloride, and c) water.

Coating or impregnant of epoxy resin and aqueous polyamide-amine

An epoxy resin composition containing a) an epoxy resin, b) a liquid amine terminated polyamine curing agent prepared by condensing an aminoalkylpiperazine and a dicarboxylic acid, and (c) water. An aqueous dispersion of the amine terminated polyamine curing agent used in this invention is useful as a curing agent for water borne applications.

Aqueous dispersions of polyamide-amine derived from aminoalkylpiperazine

Amine-terminated polyamide in oil-in-water emulsion

A process for producing stable dispersions of epoxy resins is presented in which an epoxy resin is mixed with water in the presence of a reactive surfactant to form a predispersed resin. To this predispersed resin, a micronized dicyandiamide based curing agent is added to form a predispersed resinous mass. The mass is stirred for a time and at a temperature sufficient to convert the predispersed resinous mass to a stable epoxy resin dispersion where the water is the continuous phase and the resin is the dispersed phase. The dispersion is useful as a one-pack epoxy resin system in applications such as binders for non-wovens, papers, textiles, composites, and laminates and in many coating applications.

Stable waterborne epoxy resin dispersion containing micronized DICY

Stable waterborne epoxy resin dispersion containing micronized dicy

A curable composition is provided comprising a bismaleimide resin, an epoxy resin, and a phenolic resin curing agent. The composition can also contain an accelerator for enhanced low-temperature cure. The composition is useful for high-performance applications such as electrical lamination and filament-wound parts.

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Houston, TX, United States of America

Glenda Carole Young