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Akzo NV
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Algemene Kunstzijde Unie NV
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Publication of ES213047A1publicationCriticalpatent/ES213047A1/es
Treatments Of Macromolecular Shaped Articles
(AREA)
Abstract
Un método para la fabricación de productos de viscosa artificial en el que se emplean compuestos de cinc en el baño coagulante y baños ácidos para el tratamiento posterior caracterizado porque se adiciona suficiente formaldehido al baño ácido de tratamiento posterior que todavía contiene iones de zinc para combinar la mayor parte o la cantidad total del sulfuro de hidrógeno presente y no más de 2 moles de formaldehido por mol de sulfuro de hidrógeno presente.
ES0213047A1953-02-101954-01-08Un metodo para la fabricacion de productos artificiales de viscosa
ExpiredES213047A1
(es)