Abstract:
Multilayer films comprising a core layer are provided. In an embodiment, the present disclosure provides a film having a core layer comprising a material selected from a rubber-modified polypropylene and a polymer blend. The polymer blend includes an elastomeric propylene-ethylene copolymer and a component selected from the group consisting of polypropylene random copolymers, styrene/ethylene-butylene/styrene block copolymers, and combinations thereof.
Abstract:
Films having peel seal layers and/or barrier layers are provided. In a general embodiment, the present disclosure provides a film comprising a barrier layer comprising a caprolactam-free nylon compound.
Abstract:
Se proporcionan películas que tienen capas de sello desprendible y/o capas de barrera. En una modalidad general, la presente descripción proporciona una película que comprende una capa de barrera que comprende un compuesto de nylon libre de caprolactamo.
Abstract:
Multilayer films comprising a core layer are provided. In an embodiment, the present disclosure provides a film having a core layer comprising a material selected from a rubber-modified polypropylene and a polymer blend. The polymer blend includes an elastomeric propylene-ethylene copolymer and a component selected from the group consisting of polypropylene random copolymers, styrene/ethylene-butylene/styrene block copolymers, and combinations thereof.
Abstract:
A polymer based composition for fabricating into articles is described. The composition comprises: a polypropylene in an amount by weight from 40-90% of the composition and having a melting temperature greater than 130 DEG C; a radio frequency susceptible polymer in an amount by weight from 5-50% of the composition and having a dielectric loss greater than 0.05 at 1-60 MHz and ambient temperature to 250 DEG C, the susceptible polymer being selected from (1) polymers containing at least one segment selected from the group consisting of urethanes, esters, ureas, imides, sulfones, and amides, and (2) ethylene copolymers having 50-85% ethylene content copolymerized with at least one monomer selected from the group consisting of acrylic acid, methacrylic acid, ester derivatives of acrylic acid with alcohols having 1-10 carbons, vinyl acetate, and vinyl alcohol; a compatibilizing polymer in an amount by weight from 5-30% of the composition, the compatibilizing polymer conferring compatibility between the radio frequency susceptible polymer, and the polypropylene, the compatibilizing polymer being a styrenic block copolymer with hydrocarbon soft segments, and wherein the composition has an optical haze value of less than 30% for the composition processed into a film of about 0.299 mm in thickness measured in accordance to ASTM D-1003, a mechanical modulus of less than 2758x10 Pa when measured according to ASTM D-882 and the composition exhibits no strain whitening after being strained at moderate speeds of about 50 cm per minute to about 100% elongation.
Abstract:
La presente descripción proporciona películas de capas múltiples que comprenden una capa de núcleo. En una modalidad, la presente descripción proporciona una película que tiene una capa de núcleo que comprende un material seleccionado de un polipropileno modificado por hule y una mezcla de polímero. La mezcla de polímero incluye un copolímero elastomérico de propileno-etileno y un componente seleccionado del grupo consistente de copolímeros aleatorio de polipropileno, copolímeros de bloque de estireno/etileno-butileno/estireno, y combinaciones de los mismos.
Abstract:
Se proporcionan estructuras de capas múltiples que comprenden una o más capas de cloruro de poli(vinilideno) y contenedores hechos a partir de las estructuras de capas múltiples. En una modalidad general, la presente descripción proporciona una estructura de capas múltiples que comprende una o más capas de PVDC que comprenden un componente seleccionado del grupo que consiste de un cloruro de poli(vinilideno), un copolimero de cloruro de poli(vinilideno), y combinaciones de los mismos. La estructura de capas múltiples además comprende una o más capas de unión, unidas a la capa de PVDC. La capa de unión comprende un componente seleccionado del grupo que consiste de (a) copolímeros de poliéter-poliéster, (b) poliuretanos que tienen una temperatura de fusión por arriba de aproximadamente 121ºC, (c) una mezcla que comprende una poliamida y un copolímero de etileno conteniendo un grupo funcional reactivo de amina, y combinaciones de los mismos.