LAGERFAEHIGE EPOXY/POLYIMID-HARZVORLAEUFER

1420871 Curing catalyst AEROJET-GENERAL CORP 15 Jan 1973 [14 Jan 1972] 1974/ 73 Heading B1E [Also in Divisions B5 and C3] A curable oxirane-imide composition (see Division C3) contains a catalyst composition which comprises a chromium III tricarboxylate having active unoccupied coordination sites, b...

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Bibliographische Detailangaben
Hauptverfasser:	KATZAKIAN JUN., ARTHUR, SACRAMENTO, STEELE, ROGER B., FAIR OAKS
Format:	Patent
Sprache:	ger
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY COMPOSITIONS BASED THEREON DYES GENERAL PROCESSES OF COMPOUNDING GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MINERAL OR SLAG WOOL MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS AS ADHESIVES WORKING-UP
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Zusammenfassung:	1420871 Curing catalyst AEROJET-GENERAL CORP 15 Jan 1973 [14 Jan 1972] 1974/ 73 Heading B1E [Also in Divisions B5 and C3] A curable oxirane-imide composition (see Division C3) contains a catalyst composition which comprises a chromium III tricarboxylate having active unoccupied coordination sites, but which sites are occupied in the composition by benzoate; a trinaphenate. The organic liquid which is unreactive to the oxirane and the imide. The composition is cured by removing the organic liquid, e.g. by heating, and thus freeing the active coordination sites on the chromium salt. Suitably, the composition comprises the oxirane, imide and chromium salt all dissolved in the organic liquid. The chromium salt may be the trihexanoate; tripentanoate; tributyrate; tri-(2-ethylhexanoate); tridecanoate: trioleate; tri-(2-octanoate); tritoluate; tribenzoate; a trialkylbenzoate or trialkoxybenzoate; a trinaphenate. The organic liquid may be N, N-dimethylformamide; tetrahydrofuran; methanol; ethanol; dioxan; dimethylsulphoxide; dimethylsulpholane; tetramethyl; urea; N, N-dimethyl acetamide; N-methylcaprolactam; N-methylpyrrolidone; nitroalkanes, e.g. nitroethane; or nitroaromatics, e.g. nitrotoluene or nitrobenzene.