B32B2331/04

RECOVERED PLASTIC CARDS

A laminated transaction card may comprise post-consumer polyethylene with a thickness of at least 30% of a thickness of the laminated transaction card. A first polymer- based layer comprising polyvinyl chloride is coupled to a first surface of the core layer by a first adhesive layer. A second polymer-based layer comprising polyvinyl chloride is coupled to a second surface of the core layer by a second adhesive layer. The first adhesive layer and the second adhesive layer comprise an adhesive formulated to bond the post-consumer polyethylene and the polymer-based layers.

Methods for manufacturing and assembling dual material tissue interface for negative-pressure therapy

A dressing for treating tissue with negative pressure may be a composite of dressing layers, including a release film, perforated gel layer, a perforated polymer film, a manifold, and an adhesive cover. A method of manufacturing the dressing may comprise providing a first layer, such as the gel layer, on a substrate, perforating the first layer on the substrate to create a plurality of apertures in the first layer, and creating an index of the plurality of apertures in the first layer. A laser can be calibrated based on the index. A second layer, such as the polymer film, may be coupled to the first layer, and a plurality of slots can be cut in the second layer with the laser. Each of the slots can be cut through one of the apertures in the first layer based on the index.

Colored thermoplastic intermediate layer with wedge-shaped cross-section
11780211 · 2023-10-10 · ·

A colored thermoplastic intermediate layer with a width, a height, and a wedge-shaped cross-section with a thicker first end and a thinner second end, at least comprising a first colored thermoplastic layer with a width, a height, and a wedge-shaped cross-section with a thicker first end and a thinner second end, wherein the width and the height of the colored thermoplastic intermediate layer equal the width and the height of the first colored thermoplastic layer, the first colored thermoplastic layer has a dye, the dye concentration in the first colored thermoplastic layer increases from its thicker first end to its thinner second end, the light transmittance through the first colored thermoplastic layer is constant over its entire width and its entire height, and the light transmittance through the colored thermoplastic intermediate layer is constant over its entire width and its entire height.

Automotive glazing system with a display

A laminated curved article [102] comprising a first substrate [102a] consisting an outer face and a ceramic masked [104] inner face along the periphery, one or more interlayers [102c] disposed on the inner face of the first substrate [102a], a second substrate [102b] disposed on the interlayer [102c] and one or more electroluminescent devices [116] connected to connector element [126] and provided in the ceramic masked [104] inner face of the first substrate [102a] and the second substrate [102b]. The one or more electroluminescent devices [116] comprising a dielectric layer [116a] disposed on a luminescence layer [116b], wherein both the dielectric layer [116a] and luminescence layer [116b] are sandwiched together by a multilayer consisting of a conductive layer [116c], an insulating layer [116d] and a protective layer [116e].

FUNCTIONAL FABRIC OBTAINED BY RECYCLING SEPARATOR FOR SECONDARY BATTERY, AND METHOD FOR MANUFACTURING SAME
20230339221 · 2023-10-26 · ·

The present invention relates to a functional fabric manufacturing method and a functional fabric thereby, which relates to a method for manufacturing an upcycle functional fabric, comprising steps of: (a) preparing a separator sheet with a microporous structure discarded due to treatment as defective or overproduction in production processes for manufacturing secondary batteries, (b) interposing an adhesive sheet between the separator sheet and a fabric sheet to be added to the separator sheet, thereby supplying each sheet, (c) laminating the separator sheet and the fabric sheet so that they are bonded by melting of the adhesive sheet, wherein in the step (b), each sheet is supplied to maintain a constant tension, but the separator sheet, the adhesive sheet, and the fabric sheet are all supplied at the same speed, and in the step (c), a stacked structure, in which the separator sheet, the adhesive sheet, and the fabric sheet are stacked in this order, is pressurized in a predetermined temperature atmosphere, and laminated.

Multi-purpose composite membrane with high breakage strength and high peel strength and preparation method and use thereof

The present invention provides a multi-purpose composite membrane with high breakage strength and peel strength and preparation method and use thereof, and relates to the technical field of shoemaking material preparation. The preparation method of the multi-purpose composite membrane with high breakage strength and peel strength comprises the following steps: (1) processing layer preparation; (2) functional layer preparation; (3) functional composite layer preparation; (4) resin layer preparation; and (5) composite membrane preparation. In the present invention, the composite membrane containing the substrate layer, the pattern design base layer, the resin layer and the texture fabric made by the foregoing five steps has good high and low temperature flexural resistance, low temperature fracture resistance, high strip forces and high delay wash times.

BIODEGRADABLE MULTI-LAYER FILM

A multi-layer polymer film comprising at least one middle layer A, the polymeric constituents of which are soluble in aqueous solution, and at least one substantially water-impermeable covering layer B or C arranged above and/or below the at least one middle layer A, wherein the layers A, B and C independently of each other in each case comprise at least one thermoplastic polymer and at least one of the covering layers B and C comprises at least one polyhydroxyalkanoate. Processes for the production of the multi-layer polymer film according to the invention and its use for the production of molded parts, films or bags are furthermore presented and described.

Laminated glass

Provided is a laminated glass capable of preventing scorching in an end part of the laminated glass. A laminated glass according to the present invention is a laminated glass including a first glass plate, a second glass plate, and an interlayer film, at least one of the first glass plate and the second glass plate being a heat ray absorbing plate glass conforming to JIS R3208:1998, each of the first glass plate and the second glass plate having a thickness of 1.9 mm or less, when a layer having a lowest glass transition temperature in the interlayer film being referred to as a layer X, the layer X containing a thermoplastic resin, a ratio of a weight average molecular weight of the thermoplastic resin in the layer X before the light irradiation test, to a weight average molecular weight of the thermoplastic resin in the layer X after the light irradiation test being 2 or less.

Process to form a tile using low temperature heat lamination

A method to produce a tile comprising at least the following layered sections: a wear layered section, a decor layered section and a base layered section; and wherein the wear layered section comprises the following: A) a compositional layer A formed from a composition A comprising at least one olefin-based polymer; wherein the decor layered section comprises the following: B1) a compositional layer B1 formed from a composition B1 comprising a propylene-based polymer; B2) a compositional layer B2 formed from a composition B2 comprising an olefin-based polymer; wherein the base layered section comprises the following: C) a compositional layer C formed from a composition C comprising an olefin-based polymer; wherein the method comprises the following step(s): i) heat laminating compositional layer A to compositional layer B1, at a temperature T1≤140° C.; and wherein, for a continuous production of the tile, T1 is the temperature at the surface of the compositional layer with the highest, or equivalent, surface temperature; and for a batch production of the tile, T1 is the interfacial temperature between the two compositional layers; ii) heat laminating compositional layer B2 to compositional layer C, at a interfacial temperature T2≤140° C.; and wherein, for a continuous production of the tile, T2 is the temperature at the surface of the compositional layer with the highest, or equivalent, surface temperature; and for a batch production of the tile, T2 is the interfacial temperature between the two compositional layers.

Laminate
11292565 · 2022-04-05 ·

A laminate (1) delimited by at least a protective skin (30) and provided internally with reinforcing means (10) comprising a plurality of traction members (12, 20) arranged according to lines (L) traced in a given manner; at least one plastic matrix (M) shaped so as to stably embody each traction member (12, 20) to maintain it, under load, stably arranged point to point just as the corresponding line (L).