Seal Capable of Generating Molecular Hydrogen and Suitable for Closing a Container and for Scavenging Oxygen

The seal ( 1 ) is adapted to be heat bonded to a container for closing an opening of the container. Said seal ( 1 ) is a laminate comprising a metallic layer ( 10 ), a liner ( 12 ) that is permeable to water vapour and to 5 molecular hydrogen, and that can be heat bonded to a container, and at least an active layer ( 11 ), that is positioned between the metallic layer ( 10 ) and the liner ( 12 ), and that is capable of chemically reacting with water and generating molecular hydrogen.

DRY BLEND HAVING OXYGEN-SCAVENGING PROPERTIES, AND THE USE THEREOF FOR MAKING A MONOLAYER PACKAGING ARTICLE

For making a monolayer packaging article having O2 scavenging properties, a dry blend is prepared by dry blending: (A) polyamide pellets (A1) coated with at least one first transition metal catalyst (A2),preferably (B) a second transition metal catalyst and(C) a polyester, and the dry blend (A/C) or (A/B/C) is processed in order to form the monolayer packaging article. Preferably, the amount of (A) is between 1 wt % and 4 wt % of the total weight of the dry blend [(A/C) or (A/B/C)], and the total amount of the first (A2) and where appropriate second (B) transition metal catalysts is between 1 wt % and 15 wt % of the total weight of polyamide pellets (A1).

HYDROGEN GENERATING, OXYGEN SCAVENGING CLOSURE CAP

The closure cap () is capable of generating molecular hydrogen from a chemical reaction with water, and can be used for closing a container and for scavenging oxygen. The cap () comprises a shell (), an active layer () that is capable of chemically reacting with water and generating molecular hydrogen, and a liner () that is permeable to water vapour and to molecular hydrogen; said active layer () has an inner face (), an outer face () and a circumferential edge (); the shell () comprises an housing and the active layer () is entirely contained in said housing; the outer face () and the circumferential edge () of the active layer () are in contact with the shell () and are bonded to the shell (); the liner () is closing said housing (H) and is bonded to the shell () on the whole periphery of the active layer () and to the inner face () of the active layer (). 1110111211111111101111111110101210111111abcbca. A closure cap () comprising a shell () that can be fitted onto a container for closing an opening of said container , an active layer () that is capable of chemically reacting with water and generating molecular hydrogen , and a liner () that is permeable to water vapour and to molecular hydrogen , wherein said active layer () has an inner face () , an outer face () and a circumferential edge () , wherein the shell () comprises an housing (H) and the active layer () is entirely contained in said housing (H) , wherein the outer face () and the circumferential edge () of the active layer () are in contact with the shell () and are bonded to the shell () , and wherein the liner () is closing said housing (H) and is bonded to the shell () on the whole periphery of the active layer () and to the inner face () of the active layer ().2101001031210310103. The closure of claim 1 , wherein the shell () comprises a top wall () having a recess () that forms the said housing (H) claim 1 , and wherein the liner () is closing the said recess () and is bonded to the shell () on ...

Seal capable of generating molecular hydrogen and suitable for closing a container and for scavenging oxygen

The seal (1) is adapted to be heat bonded to a container for closing an opening of the container. Said seal (1) is a laminate comprising a metallic layer (10), a liner (12) that is permeable to water vapour and to molecular hydrogen, and that can be heat bonded to a container, and at least an active layer (11), that is positioned between the metallic layer (10) and the liner (12), and that is capable of chemically reacting with water and generating molecular hydrogen.

Hydrogen generating, oxygen scavenging closure cap

The closure cap (1) is capable of generating molecular hydrogen from a chemical reaction with water, and can be used for closing a container and for scavenging oxygen. The cap (1) comprises a shell (10), an active layer (11) that is capable of chemically reacting with water and generating molecular hydrogen, and a liner (12) that is permeable to water vapour and to molecular hydrogen; said active layer (11) has an inner face (11a), an outer face (11b) and a circumferential edge (11c); the shell (10) comprises a housing and the active layer (11) is entirely contained in said housing; the outer face (11b) and the circumferential edge (11c) of the active layer (11) are in contact with the shell (10) and are bonded to the shell (10); the liner (12) is closing said housing and is bonded to the shell (10) on the whole periphery of the active layer (11) and to the inner face (11a) of the active layer (11).

Closing cap that eliminates oxygen generating hydrogen

Un tapón de cierre (1) que comprende un capuchón (10) que puede colocarse sobre un envase (C) para cerrar una obertura de dicho envase, una capa activa (11) que es capaz de reaccionar químicamente con agua y generar hidrógeno molecular, y un recubrimiento (12) que es permeable al vapor de agua y al hidrógeno molecular, en el que dicha capa activa (11) presenta una cara interior (11a), una cara exterior (11b) y un borde circunferencial (11c), en el que el capuchón (10) comprende una pared superior (100) que tiene una cavidad (103) que forma un alojamiento (H) o que forma un alojamiento (H) con un labio de estanqueidad interno (102a), y la capa activa (11) está completamente contenida en dicho alojamiento (H), en el que la cara exterior (11b) y el borde circunferencial (11c) de la capa activa (11) están en contacto con el capuchón (10) y están unidos al capuchón (10), y en el que el recubrimiento (12) está encerrando dicha cavidad (103) y está unido al capuchón (10) en toda la periferia de dicha cavidad (103) y a la cara interior (11a) de la capa activa (11), de tal manera que el hidrógeno molecular producido por la capa activa (11) puede emigrar a través del recubrimiento (12). A closing cap (1) comprising a cap (10) that can be placed on a container (C) to close an opening of said container, an active layer (11) that is capable of chemically reacting with water and generating molecular hydrogen, and a coating (12) that is permeable to water vapor and molecular hydrogen, in which said active layer (11) has an inner face (11a), an outer face (11b) and a circumferential edge (11c), in wherein the cap (10) comprises an upper wall (100) having a cavity (103) forming a housing (H) or forming a housing (H) with an internal sealing lip (102a), and the active layer (11) is completely contained in said housing (H), in which the outer face (11b) and the circumferential edge (11c) of the active layer (11) are in contact with the cap (10) and are attached to the cap (10), and in ...

Hydrogen generating, oxygen scavenging closure cap

The closure cap (1) is capable of generating molecular hydrogen from a chemical reaction with water, and can be used for closing a container and for scavenging oxygen. The cap (1) comprises a shell (10), an active layer (11) that is capable of chemically reacting with water and generating molecular hydrogen, and a liner(12) that is permeable to water vapour and to molecular hydrogen; said active layer (11) has an inner face(11a), an outer face (11b) and a circumferential edge (11c).; the shell (10) comprises an housing and the active layer (11) is entirely contained in said housing; the outer face (11b) and the circumferential edge (11c) of the active layer (11) are in contact with the shell (10) and are bonded to the shell (10); the liner (12) is closing said housing (H) and is bonded to the shell (10) on the whole periphery of the active layer (11) and to the inner face (11a) of the active layer (11).

Seal capable of generating molecular hydrogen and suitable for closing a container and for scavenging oxygen

The seal (1) is adapted to be heat bonded to a container for closing an opening of the container. Said seal (1) is a laminate comprising a metallic layer (10), a liner (12) that is permeable to water vapour and to 5 molecular hydrogen, and that can be heat bonded to a container, and at least an active layer (11), that is positioned between the metallic layer (10) and the liner (12), and that is capable of chemically reacting with water and generating molecular hydrogen.

Hydrogen generating, oxygen scavenging closure cap

Closing cap that eliminates oxygen generating hydrogen

Dry blend having oxygen-scavenging properties, and the use thereof for making a monolayer packaging article

For making a monolayer packaging article having O2 scavenging properties, a dry blend is prepared by dry blending: - (A) polyamide pellets (A1) coated with at least one first transition metal catalyst (A2), - preferably (B) a second transition metal catalyst and - (C) a polyester, and the dry blend (A/C) or (A/B/C) is processed in order to form the monolayer packaging article. Preferably, the amount of (A) is between 1wt% and 4wt% of the total weight of the dry blend [(A/C) or (A/B/C)], and the total amount of the first (A2) and where appropriate second (B) transition metal catalysts is between 1wt% and 15wt% of the total weight of polyamide pellets (A1).

Mezcla seca con propiedades de depuracion de oxigeno y su uso para hacer articulos de envase monocapa

1.- Un procedimiento para hacer un artículo para envase monocapa que tenga propiedades de depuración de O2 y en el que se prepara una mezcla en seco mezclando en seco al menos: - (A) pelets de poliamida (A1) revestidos con al menos un primer catalizador de metal de transición (A2), y - (C) un poliéster, y la mezcla en seco se procesa con el fin de formar el artículo para envase monocapa. 2.- El procedimiento de la reivindicación 1, en el que dicha mezcla en seco se prepara mezclando en seco al menos: - (A) pelets de poliamida (A1) revestidos con al menos un primer catalizador de metal de transición (A2), - (B) un segundo catalizador de metal de transición, y - (C) un poliéster. 3.- El procedimiento de la reivindicación 1 o 2, en el que la cantidad de (A) es al menos 1% en peso del peso total de la mezcla en seco [(A/C) o (A/B/C)]. 4.- El procedimiento de una cualquiera de las reivindicaciones 1 a 3, en el que la cantidad de (A) es menor que 4% en peso y preferiblemente menor que 2% en peso del peso total de la mezcla en seco [(A/C) o (A/B/C)].5.- El procedimiento de una cualquiera de las reivindicaciones 1 a 4, en el que la cantidad total de catalizador de metal de transición [(A2) o (A2)+(,B)] es al menos 1% en peso, y más preferiblemente al menos 2% en peso, del peso total de los pelets de poliamida (A1). 6.- El procedimiento de una cualquiera de las reivindicaciones 1 a 5, en el que la cantidad total de catalizador de metal de transición [(A2) o (A2)+(B)] es menor que 15% en peso del peso total de los pelets de poliamida (A1).

Method of feeding an apparatus simultaneously with at least two streams of thermoplastic materials, and feeding device for implementing the method

The device (1) is used for feeding an apparatus by gravity simultaneously with at least two streams (ST1, ST2) of solid-state thermoplastic materials (A, B). Said device (1) comprises an inner cooled feeding pipe (10), and an outer feeding pipe (11). At least a lower part (10a) of the said inner cooled feeding pipe (10) is positioned inside the outer feeding pipe (11), with a flowing space (E) between the two pipes (10, 11) for allowing the flow of one stream (ST1) of thermoplastic material (A). The outer feeding pipe (11) comprises an inlet opening (11 b) for the introduction of the first stream (ST1) of thermoplastic material (A) inside the said flowing space (E) and a bottom outlet opening for dropping the first stream (ST1) of thermoplastic material (A) outside the outer pipe, the inner cooled feeding pipe (10) comprises an inlet opening (100a) for the introduction of the other stream (ST2) of thermoplastic material (B) inside the inner cooled pipe (10) and a bottom outlet opening (10c) for dropping the second stream (ST2) of thermoplastic material (B) outside the inner pipe (10).

Method of feeding an apparatus simultaneously with at least two streams of thermoplastic materials, and feeding device for implementing the method

Mezcla en seco con propiedades de depuracion de oxigeno, y su uso para elaborar un articulo para envase monocapas.

Un procedimiento para hacer un artículo para envase monocapa con propiedades de depuración de O2, una mezcla en seco se prepara mezclando en seco: (A) pelets de poliamida (A1) revestidos con al menos un primer catalizador de metal de transición (A2), preferiblemente (B) un segundo catalizador de metal de transición y (C) un poliéster y la mezcla en seco (A/C) o (A/B/C) se procesa con el fin de formar el artículo para envase monocapa; preferiblemente la cantidad de (A) se encuentra entre 1% en peso y 4% en peso del peso total de la mezcla en seco [(A/C) o (A/B/C)] y la cantidad total del primer (A2) y en donde sea apropiado el segundo (B) catalizadores de metal de transición se encuentra entre 1% en peso y 15% en peso del peso total de los pelets de poliamida (A1).