B32B2307/7248

Hybrid metal composite structures, rocket motors and multi stage rocket motor assemblies including hybrid metal composite structures, and related methods

A hybrid metal composite (HMC) structure comprises tiers comprising fiber composite material structures, and additional tiers longitudinally adjacent one or more of the tiers and comprising perforated metallic structures and additional fiber composite material structures laterally adjacent the perforated metallic structures. Methods of forming an HMC structure, and related rocket motors and multi-stage rocket motor assemblies are also disclosed.

Biodegradable odor barrier film
11571326 · 2023-02-07 · ·

A biodegradable odor barrier film for ostomy, continence and bowel management applications includes a barrier layer comprising at least about 90% wt. polyglycolic acid. The biodegradable odor barrier film provides excellent mechanical and odor barrier properties desired in ostomy, continence and bowel management applications.

Base paper for paper tube, and paper tube

An object is to provide a base paper for paper tubes that has lower environmental impact and is used for manufacturing of paper tubes offering excellent water resistance. As a solution, a base paper for paper tubes is provided, wherein: it has two or more but no more than five paper layers; the paper layers are bonded by a water-soluble or water-dispersible adhesive; and its elution rate is 2.0 percent or lower.

A MULTI-LAYER FLEXIBLE PACKAGING MATERIAL
20230087382 · 2023-03-23 ·

The present invention relates generally to the field of multi-layer flexible packaging material. In particularly, the present invention relates to a multi-layer flexible packaging material comprising a paper layer, an aluminium layer, a nanoclay barrier coating layer, and a sealing layer applied to the surface of the nanoclay barrier coating layer representing the inner surface of the multi-layer flexible packaging material, said multilayer flexible barrier material being deprived of a polyolefin layer, such as a polyethylene (PE), polyethylene terepthalate (PET) or a polypropylene (PP) layer. The present invention further relates to the use of the multi- layer flexible packaging material in accordance with the present invention to package dry food.

Process For Preventing Organoleptic Degradation In Flexibly-Packaged Sensitive Foods And Packaged Products Thereof
20230084886 · 2023-03-16 ·

This invention relates to a process for reducing or eliminating organoleptic degradation in organoleptically sensitive foods packaged in flexible packaging, and packaged products thereof. This invention also relates to organoleptic flexible packaging made from polymeric films comprising oxidation-stable and non-migratory polysiloxane as slip additive. The oxidative-stability and non-migratory nature of the polysiloxane slip additive provides an organoleptic flexible packaging that is non-interactive with and inert to the organoleptically sensitive food packaged within, specifically: (1) coffee; (2) beer; (3) water; and (4) wine.

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.

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.

Laminate structure for barrier packaging

Laminate structure comprising an alternating stack of layers from polymer blends AC and BD having the sequence -AC-[BD-AC-].sub.n with n from 4 to 36, wherein the layer thickness of layers AC and layers BD is less than 3 μm, wherein A and B are thermoplastic polymers and C and D are thermoplastic elastomers, wherein the thermoplastic polymer B has functional barrier properties, wherein the amount of the thermoplastic elastomers C and D in the polymer blends AC and BD is each from 3 to 45 wt.-%, and polymer B and elastomer D are essentially incompatible.

Recyclable paper packaging with high barrier to water vapor and oxygen
20230114239 · 2023-04-13 ·

A recycling-friendly, easily producible paper packaging laminate with a high barrier against water vapor, oxygen and/or aromas, wherein a barrier film includes at least one substrate layer, a joining layer, and a barrier layer, wherein the joining layer is arranged between the substrate layer and the barrier layer, in that the substrate layer consists predominantly of polyethylene or polypropylene with a polyethylene content or a polypropylene content of at least 60 wt. % of the substrate layer, in that at least the at least one substrate layer of the barrier film is stretched, in that the content of the paper layer is between 50 wt. % and 90 wt. % of the paper packaging laminate, and in that the barrier film is joined to the paper layer by a hydrophilic adhesive layer, wherein the side of the paper layer facing the barrier film is uncoated.

OXYGEN-TIGHT FOOD CONTAINER
20230075620 · 2023-03-09 ·

The invention relates to a food packaging unit (20) comprising a food container (1) for receiving a liquid, pasty or free-flowing food. The injection-moulded, single-component, cup-shaped base body (2) of the food container surrounds, with a wall (5), a bottom (6) and an outwardly projecting collar (7), an opening (4) which is closed by a food-container-covering film (10) applied to the collar (7). The food container (1) is injection-moulded in a single layer from a polymer blend comprising two components, a first component of which being PVOH or a PVOH copolymer. The food-container-covering film (10), which can be applied to the plastic food container (1) in order to close the opening (4) by sealing, welding or adhesion, comprises a cellulose-containing layer which is coated with PVOH, or a PVOH polymer blend layer.