B32B2323/043

Dimensionally Stable Recyclable Plastic Package
20210070025 · 2021-03-11 · ·

Described herein is a sheet comprising: a multi-layer structure comprising: a plurality of layers including an uppermost layer and a lowermost layer, each of the plurality of layers having a molecular orientation that results in a stress value for each layer; wherein the stress value of at least two of the plurality of layers are non-zero and different from one another; and wherein the multi-layer structure has a net stress value that is less than the greater stress value of the plurality of layers.

POLYOLEFIN COMPOSITE POROUS FILM, METHOD OF PRODUCING SAME, BATTERY SEPARATOR, AND BATTERY

A polyolefin composite porous membrane includes a first layer and a second layer. The first layer contains a polypropylene (A), a first high-density polyethylene (B) having a melting point of 130 C. or higher, and a second high-density polyethylene (C) having a melting point of 120 C. or higher and lower than 130 C. The second layer contains a polyethylene (D). The first layer and the second layer are integrally laminated with each other.

Multi-layered films oriented in the machine direction and articles comprising the same

The present invention provides uniaxially oriented films and packages formed from such films. In one aspect, a uniaxially oriented film includes (a) a first layer including (i) a first composition including an ethylene-based polymer prepared in the presence of a single-site catalyst, wherein the first composition has a density of 0.935 g/cm.sup.3 to 0.965 g/cm.sup.3, a melt index (12) of 0.5 to 6 g/10 minutes, and a MWD of 6.0 or less, and (ii) a Ziegler-Natta catalyzed ultra low density polyethylene having a density of 0.880 g/cm.sup.3 to 0.912 g/cm.sup.3, a melt index (12) of 0.5 to 6 g/10 minutes, and a MWD of 6.0 or less, (b) a second layer including at least one polyolefin, and (c) at least one inner layer between the first layer and the second layer including a high density polyethylene. The film is oriented in the machine direction at a draw ratio of between 4:1 and 10:1, and can exhibit a machine direction 2% secant modulus of 85,000 psi or more when measured as per ASTM D882.

INFORMATION HANDLING SYSTEM THIN WALL PACKAGING
20210016948 · 2021-01-21 · ·

Information handling system packaging is formed from extruded polyethylene cut to length, such as polyethylene terephthalate (PET) or high density polyethylene (HDPE), to define an interior coupling region that fits over the information handling system housing and an outer support region that forms an ellipse compressed by a container that accepts the information handling system housing. An opening seam formed along the entire length of the outer support region provides for deflection of the packaging to absorb acceleration forces generated by the information handling system.

Dimensionally stable recyclable plastic package
10889093 · 2021-01-12 · ·

Described herein is a sheet comprising: a multi-layer structure comprising: a plurality of layers including an uppermost layer and a lowermost layer, each of the plurality of layers having a molecular orientation that results in a stress value for each layer; wherein the stress value of at least two of the plurality of layers are non-zero and different from one another; and wherein the multi-layer structure has a net stress value that is less than the greater stress value of the plurality of layers.

Barrier film substrate, method of making same, and use thereof

A barrier film substrate includes a first layer including a polymer and a transition metal having chemical sequestering properties such that, upon exposure of the barrier film substrate to one or more chemical vapors, a reaction occurs between the transition metal and the one or more chemical vapors. A second layer is aligned with the first layer. The second layer includes a polymer having impeding properties such that, upon the exposure of the barrier film substrate to the one or more of the chemical vapors, the second layer substantially blocks passage of the one or more of the chemical vapors through the barrier film substrate. One or more additional layers is aligned with at least one of the first layer or the second layer to provide structural support for the first layer and the second layer.

Polymeric Coating Compositions and Articles Coated with the Same

Polymeric coating compositions and articles coated with the polymeric coating compositions are provided. The polymeric coating composition can include an ethylene-based polymer that exhibits desirable melting properties and molecular weight distribution. The polymeric coating composition can provide a thin coating layer on an article while still providing advantageous properties, such as seal strength.

Engineered Waterproof Plastic Composite Flooring and Wall Covering Planks

Waterproof engineered floor and wall planks have a veneer layer bonded with a plastic composite core, and an underlayer, preferably an underlayer of cork.

SEALING FILM SUITABLE FOR FOOD PACKAGING AND PREPARATION METHOD THEREOF

A sealing film suitable for food packaging is disclosed, which adopts the following solution. The sealing film comprises, in sequence, a PET layer, a VMPET layer and a PE layer from outside to inside, wherein the PE layer comprises 100-110 parts of PE, 15-20 parts of EVA, 15-20 parts of EAA, 55-60 parts of HDPE and 10-15 parts of LLDPE in parts by mass. In this manner, the addition of HDPE and LLDPE into the PE layer is intended to enhance the tensile strength of the sealing film.

Recyclable polyethylene film construction
20200384748 · 2020-12-10 ·

An additive for high density, standard density, or low density polyethylene films, the additive comprising ethylene vinyl acetate wherein the ethylene vinyl acetate is added in an amount sufficient to increase the laser absorption of the polyethylene film and results in a film for laminating to a sealant layer to produce packaging, the packaging being recyclable and openable via tearing without tools such as a scissor or knife. The polyethylene with additive layer can be formed by co-extrusion of the polyethylene and ethylene vinyl acetate to form a filmor by blending of the polyethylene and ethylene vinyl acetate components for forming the film.