General Electric Company

Raymond B Hughes

Denis R Pauze

Improved polyetherimide compositions and processes for their production are described. Various polyetherimide derivatives including water-soluble and tri-functional isocyanate cross-linked resins are described. They permit production of water-based enamels and coatable particulates which may be employed in, for example, formulation of insulated electrical conductors.

Polyetherimide compositions and processes for production

Improved polyetherimide compositions and processes for their production are described. Various polyetherimide derivatives including water-soluble and tri-functionalisocyanate cross-linked resins are described. They permit production of water-based enamels and coatable particulates which may be employed in, for example, formulation of insulated electrical conductors.

A paint having desirable high temperature properties particularly suitable for industrial applications is described. The paint is composed of a conventional pigment in combination with a polyimide reaction product of a bis (etheranhydride) with a diamine compound, said reaction product being cross-linked with a tri-functional isocyanate agent.

High temperature paint

A laminate having desirable physical and high temperature properties is described. The laminate is composed of a conventional fabric material impregnated with a polyimide reaction product of substantially stoichimetric amounts of bis(etheranhydride) with a diamine compound, said reaction product being cross-linked with a tri-functional isocyanate agent.

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Schenectady, NY, United States of America

Raymond B Hughes