COMPLEJOS DE MULTIPLES CAPAS COEXTRUIDOS CON LA INTERVENCION DE COMPOSICIONES DE RESINAS IMPERMEABLES REFORZADAS FRENTE AL CHOQUE Y EN UTILIZACION PARA CONFECCION DE DEPOSITOS

La presente invención se refiere a complejos de múltiples capas coextruidos a base de poliolefinas y de composiciones de resinas impermeables reforzadas frente al choque, caracterizados porque las composiciones de resinas impermeables reforzadas frente al choque a base de copolímeros hidrolizados de...

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Bibliographische Detailangaben
Hauptverfasser:	DIDIER DELIMOY, PIERRE DE LONGREE
Format:	Patent
Sprache:	spa
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STORING THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	La presente invención se refiere a complejos de múltiples capas coextruidos a base de poliolefinas y de composiciones de resinas impermeables reforzadas frente al choque, caracterizados porque las composiciones de resinas impermeables reforzadas frente al choque a base de copolímeros hidrolizados de acetato de vinilo y etileno comprenden, como aditivo que mejora la resistencia al choque, copolímeros elastómeros de etileno y propileno modificados por injerto de un ácido carboxílico B-etilenicamnte insaturado. Coextruded multilayer complexes by the use of polyolefins and of impact-modified impermeable resin compositions based on hydrolysed vinyl acetate/ethylene copolymers comprising, by way of additive for improving the impact resistance, ethylene/propylene elastomer copolymers modified by grafting alpha , beta -ethylenically unsaturated carboxylic acid and, preferably, by maleic anhydride. The coextruded multilayer complexes are especially suitable for producing fuel tanks combining impact resistance and high impermeability to petrol and to petrol-alcohol mixtures.