Single-sided stretch cling film

Disclosed are single-sided stretch cling films having a cling layer, a release layer, and a core layer. The core layer is located between the cling layer and the release layer. The cling layer includes a blend of an olefin block copolymer and an ethylene-based polymer. The present films exhibit improved cling force compared to using a random ethylene copolymer in the cling layer.

A composition suitable for stretch hood, method of producing the same, and articles made therefrom

The instant invention provides a composition suitable for stretch hood, method of producing the same, and articles made therefrom. The multi-layer film according to the present invention has a thickness of at least 3 mils comprising at least one inner layer and two exterior layers, wherein the inner layer comprises at least 50 weight percent polyethylene copolymer having a melt index less than 2 grams/10 minutes, a density less than or equal to 0.910 g/cm3, a total heat of fusion less than 120 Joules/gram and a heat of fusion above 115 DEG C of less than 5 Joules/gram, the total heat of fusion of the inner layer less than the heat of fusion of either of the two exterior layers, and wherein the multi-layer film has an elastic recovery of at least 40% when stretched to 100% elongation.

COMPOSITION SUITABLE FOR STRETCH HOOD, METHOD OF PRODUCING THE SAME, AND ARTICLES MADE THEREFROM

The instant invention provides a composition suitable for stretch hood, method of producing the same, and articles made therefrom. The article according to the present invention comprises a multi-layer film according to the present invention has a thickness of at least 3 mils comprising at least one inner layer and two exterior layers, wherein the inner layer comprises at least 50 weight percent polyethylene copolymer having a melt index less than 2 grams/10 minutes, a density less than or equal to 0.910 g/cm, a total heat of fusion less than 120 Joules/gram and a heat of fusion above 115° C. of less than 5 Joules/gram, the total heat of fusion of the inner layer less than the heat of fusion of either of the two exterior layers, and wherein the multi-layer film has an elastic recovery of at least 40% when stretched to 100% elongation. 1. An article comprising a multi-layer film having a thickness of at least 3 mils comprising at least one inner layer and two exterior layers , wherein the inner layer comprises at least 50 weight percent polyethylene copolymer having a melt index less than 2 grams/10 minutes , a density less than or equal to 0.910 g/cm , an total heat of fusion less than 120 Joules/gram and a heat of fusion above 115° C. of less than 5 Joules/gram , and a total heat of fusion of the inner layer is less than a heat of fusion of either of the two exterior layers , and wherein the multi-layer film has an elastic recovery of at least 40% when stretched to 100% elongation.2. The article of claim 1 , wherein the exterior layers are less than 50 weight percent of the total film.3. The article of wherein the film has 3 layers and is made using a blown film process.4. The article of claim 1 , wherein the article is a stretch hood film structure.5. The article of wherein the polyethylene copolymer in the inner layer has a M/Mof at least 2.5.6. The article of wherein the polyethylene copolymer of the inner layer is characterized by a Comonomer Distribution ...

Composition suitable for stretch hood, method of producing the same, and articles made therefrom

The instant invention provides a composition suitable for stretch hood, method of producing the same, and articles made therefrom. The article according to the present invention comprises a multi-layer film according to the present invention has a thickness of at least 3 mils comprising at least one inner layer and two exterior layers, wherein the inner layer comprises at least 50 weight percent polyethylene copolymer having a melt index less than 2 grams/10 minutes, a density less than or equal to 0.910 g/cm 3 , a total heat of fusion less than 120 Joules/gram and a heat of fusion above 115° C. of less than 5 Joules/gram, the total heat of fusion of the inner layer less than the heat of fusion of either of the two exterior layers, and wherein the multi-layer film has an elastic recovery of at least 40% when stretched to 100% elongation.

Stretch hood films

A multi-layer film structure is made from a specific polyethylene copolymer comprising the inner layer and is useful as a stretch hood film structure. The polyethylene copolymer can be characterized by a Comonomer Distribution Constant greater than about 45.

Film of a catchy extendable face

Una película pegadiza de estirado por una sola cara que tiene tres capas que comprenden: una capa de pegadura (A) que comprende de más de 5% en peso a 40% en peso de un copolímero de bloque de etileno/α-olefina y de 60% en peso a menos de 95% en peso de un polímero basado en etileno; una capa de liberación (B) seleccionada entre el grupo consistente en polímero basado en etileno, un polímero basado en propileno y combinaciones de los mismos; una capa núcleo (C) localizada entre la capa de pegadura y la capa de liberación, comprendiendo la capa núcleo un polímero basado en etileno; y la película tiene una fuerza de pegadura de 20 g a 100 g, midiéndose la fuerza de pegadura como se indica en [0081] de la sección de descripción de métodos de ensayo. A single-sided catchy film having three layers comprising: a bonding layer (A) comprising more than 5% by weight to 40% by weight of an ethylene / α-olefin block copolymer and of 60% by weight to less than 95% by weight of an ethylene based polymer; a release layer (B) selected from the group consisting of ethylene based polymer, a propylene based polymer and combinations thereof; a core layer (C) located between the glue layer and the release layer, the core layer comprising an ethylene-based polymer; and the film has a bond strength of 20 g to 100 g, the bond strength being measured as indicated in [0081] of the test methods description section.

Composition for stretch hood, method of producing the same, and articles made therefrom

The instant invention provides a composition suitable for stretch hood, method of producing the same, and articles made therefrom. The article according to the present invention comprises a multi-layer film according to the present invention has a thickness of at least 3 mils comprising at least one inner layer and two exterior layers, wherein the inner layer comprises at least 50 weight percent polyethylene copolymer having a melt index less than 2 grams/10 minutes, a density less than or equal to 0.910 g/cm 3 , a total heat of fusion less than 120 Joules/gram and a heat of fusion above 115° C. of less than 5 Joules/gram, the total heat of fusion of the inner layer less than the heat of fusion of either of the two exterior layers, and wherein the multi-layer film has an elastic recovery of at least 40% when stretched to 100% elongation.

Stretch hood films

A multi-layer film structure is made from a specific polyethylene copolymer comprising the inner layer and is useful as a stretch hood film structure. The polyethylene copolymer can be characterized by a Comonomer Distribution Constant greater than about 45.

A composition suitable for stretch hood, method of producing the same, and articles made therefrom

The instant invention provides a composition suitable for stretch hood, method of producing the same, and articles made therefrom. The multi-layer film according to the present invention has a thickness of at least 3 mils comprising at least one inner layer and two exterior layers, wherein the inner layer comprises at least 50 weight percent polyethylene copolymer having a melt index less than 2 grams/10 minutes, a density less than or equal to 0.910 g/cm 3 , a total heat of fusion less than 120 Joules/gram and a heat of fusion above 115°C of less than 5 Joules/gram, the total heat of fusion of the inner layer less than the heat of fusion of either of the two exterior layers, and wherein the multi-layer film has an elastic recovery of at least 40% when stretched to 100% elongation.

Single-Sided Stretch Cling Film

Disclosed are single-sided stretch cling films having a cling layer, a release layer, and a core layer. The core layer is located between the cling layer and the release layer. The ding layer includes a blend of an olefin block copolymer and an ethylene-based polymer. The present films exhibit improved cling force compared to using a random ethylene copolymer in the cling layer.

STRAINABLE SINGLE FACE SINGLE FILM CONTAINING THREE LAYERS

filme aderente estirável de face única contendo três camadas são descritos filmes aderentes estiráveis de face única com uma camada aderente, uma camada de liberação e uma camada de núcleo. a camada de núcleo está situada entre a camada aderente e a camada de liberação. a camada aderente inclui uma mistura de copolímero olefínico em bloco e de polímero à base de etileno. os filmes da presente invenção exibem força de adesão melhorada em comparação com o uso de um copolímero de etileno aleatório na camada aderente. single-sided stretch film containing three layers, single-sided stretch films with an adhesive layer, a release layer and a core layer are described. the core layer is located between the adherent layer and the release layer. the adherent layer includes a mixture of block olefinic copolymer and ethylene-based polymer. the films of the present invention exhibit improved adhesion strength compared to the use of a random ethylene copolymer in the adherent layer.

A composition suitable for stretch hood, method of producing the same, and articles made therefrom

Una composición adecuada para una cubierta de estiramiento, un método para la producción de la misma y artículos hechos a partir de la misma