B32B2307/738

Biodegradable Packaging Unit for a Food Product and Method for Manufacturing Such Packaging Unit
20230166895 · 2023-06-01 ·

The invention relates to a biodegradable packaging unit for a food product and a manufacturing method there for. The packaging unit comprises: —a container with an outer surface and an inner surface at least partly defining a compartment for holding the food product; —a biodegradable multi-layer that is provided on the inner surface of the container and comprising: —an inner cover layer comprising an amount of a biodegradable aliphatic polyester; —a first intermediate layer of a biodegradable material for connecting and/or sealing adjacent layers; —a functional layer comprising a polyvinylalcohol; —a second intermediate layer of a biodegradable material for connecting and/or sealing adjacent layers; and—an outer cover layer comprising an amount of a biodegradable aliphatic polyester, wherein the container comprises a moulded fiber matrix with an amount of biodegradable aliphatic polyester.

MANUFACTURING PROCESS FOR GLUE-LESS MULTI-LAYER DECORATED FILM AND THERMOFORMED PRODUCT OBTAINED THEREWITH
20170313045 · 2017-11-02 ·

A manufacturing process for composite film for thermoformed products, including the steps of manufacturing a first plastic substrate film in the amorphous state, by extrusion, causing said first plastic substrate film to undergo a decoration/metal-finish process, causing said first plastic substrate film, to undergo a lamination step, characterized in that before said lamination step, on said first amorphous substrate film a layer of molten plastic material is laid, corning out of an extrusion head, and in that said first plastic film coupled with the layer of molten plastic material, immediately downstream of said extrusion head pass between an entry cylinder and a master cylinder of a lamination unit furthermore comprising at least an exit cylinder, the thickness of said first substrate film being in the range of 150-800μ and the thickness of said molten layer being in the range of 150-1200μ after lamination, said entry cylinder, master cylinder and exit cylinder being heat adjusted on temperatures in the range 20-55° C., with growing temperatures from the entry cylinder, to the master cylinder to the exit cylinder.

Screen Protector
20170313036 · 2017-11-02 ·

A screen protector includes an upper light-pervious substrate, a printed layer, an adhesive layer, and a lower light-pervious substrate. The printed layer is disposed at one side of the upper light-pervious substrate. The printed layer has a hollow light-pervious area. The adhesive layer is disposed at one side of the printed layer opposite the upper light-pervious substrate. The adhesive layer is configured to fill the hollow light-pervious area so that one side of the adhesive layer, opposite the printed layer, is a flat surface. The lower light-pervious substrate is disposed at the side of the adhesive layer opposite the printed layer. An edge of the screen protector is provided with a curved section corresponding to a curved surface of an edge of a screen. Thereby, the screen protector can be easily and accurately attached to the screen to fully protect the screen.

FIBER-REINFORCED COMPOSITE LAYUP
20220055324 · 2022-02-24 ·

Fiber-reinforced composites is provided. The composites include a plurality of prepreg layers, each comprising a polymeric resin and a plurality of fibers disposed therein; and at least one electrically-conductive layer at least partially embedded in the plurality of prepreg layers. These fiber-reinforced composites can save weight relative to externally provided wires and can be provided in forms suitable for use in automated fiber placement and automated tape layup machines. Advantageous applications include uses in lightning strike protection, energy storage, signal transmission, and power distribution.

Sound absorbing and insulating material with superior moldability and appearance and method for manufacturing the same
09805708 · 2017-10-31 · ·

The present invention relates to a sound absorbing and insulating material with superior moldability and appearance and a method for manufacturing the same, more particularly to a sound absorbing and insulating material consisting of an inner sound absorbing and insulating layer 1 formed of a first nonwoven fabric mainly formed of a heat-resistant fiber and a binder uniformly distributed inside the first nonwoven fabric and maintaining the three-dimensional structure inside the first nonwoven fabric and an outer sound absorbing and insulating layer 2′, 2″ formed of a second nonwoven fabric mainly formed of a heat-resistant fiber, wherein the outer sound absorbing and insulating layer is stacked on one or both sides of the inner sound absorbing and insulating layer, and a method for manufacturing the same. The sound absorbing and insulating material of the present invention has superior sound-absorbing property, flame retardancy, heat resistance, heat-insulating property and high-temperature moldability. In addition, there is no concern of deterioration of surface appearance caused by leakage of the binder due to the presence of the outer sound absorbing and insulating layer.

RESIN SHEET FOR HIGH HARDNESS MOLDING AND MOLDED ARTICLE USING SAME

Provided is a resin sheet for molding, which is provided with a base material layer that contains a polycarbonate resin (a1), a high hardness resin layer that contains a high hardness resin, and a hard coat anti-glare layer, and which is configured such that: the high hardness resin layer is arranged between the base material layer and the hard coat anti-glare layer; the glass transition points of the polycarbonate resin (a1) and the high hardness resin satisfy the relational expression −10° C.≤(glass transition point of high hardness resin)−(glass transition point of polycarbonate resin (a1))≤40° C.; and two protective films are superposed and bonded onto both surfaces of the resin sheet.

COMPONENT COMPOSED AT LEAST TO SOME EXTENT OF A LAYER STRUCTURE AND PROCESS FOR PRODUCTION THEREOF

The invention relates to a component having at least to some extent a layer structure, wherein the layer structure includes an elastomer layer with a density greater than 800 g/L, and a thermoset layer including at least 50% by weight of a first polyurethane. The invention further relates to a process for the production of a component of this type, the process including (i) provision of a female mold into which the individual layers of the layer structure are introduced, or of a male mold to which the individual layers of the layer structure are applied; (ii) production of the elastomer layer via spraying; (iii) production of the thermoset layer via spraying; and (iv) demolding of the resultant component. Step (ii) can be carried out before step (iii) or step (iii) can be carried out before step (ii).

Packaging material for packaging of light-sensitive goods and method for producing said packaging material

A packaging material for packaging of light-sensitive goods, said packaging material comprising a first layer and a second layer, at least one hole penetrating said first layer and being covered by said second layer, and a light barrier, wherein said light barrier comprises a layer of ink being essentially nontransparent to light and provided on said second layer to at least partly cover said hole. The disclosure further relates to a method for providing a light barrier covering a hole in a packaging material as well as to a package for packaging of light-sensitive goods.

Antimicrobial packaging films

The present invention is directed to a thermoplastic packaging film coated with an antimicrobial coating, a method for the preparation of the coated film and packaging articles made with the film.

OPTICAL SHEET AND METHOD FOR MANUFACTURING SAME

An optical sheet is formed by laminating, by co-extrusion molding, a first layer containing a polycarbonate resin, a second layer containing a polyamide resin, and a third layer, wherein the second layer is laminated between the first layer and the third layer, the first layer and second layer, and the second layer and third layer can each be peeled at the interface, and the outer surface of the first layer has a fine grooved structure. The optical sheet, which is provided with a plurality of layers in such a way, is capable of retaining, a sufficient amount of heat in a laminate in a mold since the entire sheet can be made thick during melt extrusion molding, and is able to improve the transferability of the fine grooved structure. In addition, the optical sheet can be made thinner by using only the peeled first layer as an optical sheet.