B32B2307/5825

Carbon nanotube sheet structure and laminate

A carbon nanotube sheet structure includes: a carbon nanotube sheet; a first base material including a first base material surface facing the carbon nanotube sheet; and a first spacer providing a gap between the carbon nanotube sheet and the first base material. A first base material surface of the first base material includes a first region on which the first spacer is provided and a second region on which the first spacer is not provided. The first base material is spaced apart from the carbon nanotube sheet at the second region on the first base material surface.

RECYCLABLE TUFTED FABRIC AND METHOD OF MAKING THE SAME

Recyclable tufted fabrics and methods of preparing the same are provided. In particular, the recyclable tufted fabric includes a fabric backing, a plurality of yarns tufted through the fabric backing such that a pile is provided at a first surface of the fabric backing and a plurality of yarn loops are provided at a second surface of the fabric backing, and a liquid adhesive that anchors the plurality of yarn loops to the second surface of the fabric backing.

Multilayer films for ostomy bags
11479024 · 2022-10-25 · ·

A multilayer film having at least one barrier layer and at least one outer layer, suitable for medical applications, such as ostomy applications, which is effective as barrier for odors and has sufficient properties with respect to provide a pliable, tear resistant with noise damping film is provided. The multilayer film includes polyolefin elastomers, plasticized PVDC, ethylene vinyl acetate copolymers and additives.

High strength nonwoven barrier material

The present invention is directed toward a method of making a composite structure including receiving a substantially planar nonwoven spunbond layer including a plurality of multicomponent fibers, thermally bonding the nonwoven spunbond layer at a first bond temperature, laying down a meltblown layer on top of the thermally bonded nonwoven spunbond layer to form an intermediate structure, and thermally bonding the intermediate structure at a second bond temperature to form a final composite structure. Composite structures including a spunbond layer and a meltblown layer, wherein the composite structure has a tensile strength of at least about 130 N/2.54 cm in both machine and cross directions, a tear strength of at least 3.0 N/2.54 cm, and an LRV of about 2.0 or higher are also provided herein.

Laminate membrane, an implant compromising the laminate membrane and a method of manufacturing the same

There is provided a laminate membrane for an implant, comprising: an inner layer having an inner layer thickness; a first covering layer disposed on one side of the inner layer, the first covering layer having a first covering layer thickness; and a second covering layer disposed on another side of the inner layer, the second covering layer having a second covering layer thickness.

Filter bags comprising a porous membrane
11602711 · 2023-03-14 · ·

A filter bag is disclosed that comprises a porous membrane having a strength in the transverse direction to improve durability. There is a filter assembly for filtering particulates from a gas stream comprising a support substructure and a filter bag at least partially surrounding the support substructure. The filter bag comprises a porous membrane having a upstream surface exposed to the gas stream. The porous membrane is lightweight and has a structure to collect the particulates on the upstream surface. In particular, the porous membrane has a bubble point of 0.06 MPa or more and has a strength in a transverse direction that is 100 N/m or more. Other filter bags disclosed comprise a laminate comprising a porous membrane having a bubble point of 0.06 MPa or more and a second layer that acts as a sacrificial material.

Pressure-resistant container
11603232 · 2023-03-14 · ·

The invention relates to a can containing a liquid and/or a gaseous medium which has positive pressure or develops such during transport or storage, wherein the cylindrical can shell of the can consists mainly of paper or cardboard material and is closed at the bottom with a bottom element and at the top with a cover element, wherein the can withstands an internal pressure of at least 5 bar, wherein the innermost layer of the can shell consists of a straight-wound barrier layer having a longitudinally extending folded seam, wherein the barrier layer is a prefabricated laminate made of an inner diffusion-tight barrier film or an inner diffusion-tight barrier laminate and an outer kraft paper layer.

POLYMERIC WRAPPER
20230125926 · 2023-04-27 ·

In an embodiment, the invention comprises a wrapper with dead bend characteristics. The wrapper comprises a first polyethylene layer comprising low density polyethylene; a second polyethylene layer affixed to the first layer, wherein the second polyethylene layer comprises high density polyethylene; a first tie layer affixed to the second layer, opposite the first layer; a barrier layer affixed to the tie layer, opposite the second layer; a second tie layer affixed to the barrier layer, opposite the first tie layer; a third polyethylene layer affixed to the second tie layer, opposite the barrier layer, wherein the third polyethylene layer comprises high density polyethylene; and a fourth polyethylene layer affixed to the third polyethylene layer, opposite the second tie layer, wherein the fourth polyethylene layer comprises low density polyethylene. In an embodiment, the tie layers and the barrier layer may be substituted with a cyclic olefin copolymer layer.

Product with absorbed gel
20230070375 · 2023-03-09 · ·

A product with absorbed gel leaving the exposed surface of such product free of stickiness and/or free of the release of oils in any appreciable amounts.

Skin foam-in-place foamed article and production method thereof
11633937 · 2023-04-25 · ·

There is provided a skin foam-in-place foamed article comprising a pad (15) and a bag-like outer material (20) covering the pad (15). The outer material (20) has a top layer (21) and a liner layer (22) made of a foamed resin. The liner layer (22) has a closed cell structure. A pad-side skin layer (27a) having a density higher than that of a bulk layer (26) is provided on the liner layer (22), on a side of the pad (15). A corona treatment is applied to the pad-side skin layer (27a).