B32B2307/536

Method for forming a stress-free multilayer PVC sheet material
11691404 · 2023-07-04 · ·

A method for forming a multilayer plastic sheet material (1) for floor and/or wall panels, wherein a first polymer mass comprising a rigid PVC is melted under pressure and is passed through an extruder head at a specified discharge rate in the form of a plastic strand in sheet form that is provided with one or more layers so that a multilayer plastic strand is formed, which is passed to two or more rolls of a finishing stand, which processes the multilayer plastic strand into a sheet of defined thickness, which is then led away via a transport device to a sawing device to be cut to the desired length, wherein, after the plastic strand in sheet form leaves the extruder head, it is first passed between a top roll and a bottom roll of a roughing stand, wherein the speed of the rolls of the finishing stand and the rolls of the roughing stand is synchronized with the discharge rate of the plastic strand in sheet form from the extruder head, so that said plastic strand is processed without stress.

COMPOSITE THERMOPLASTIC FILM AND THE MANUFACTURING METHOD THEREOF
20230001673 · 2023-01-05 ·

A composite thermoplastic film and the manufacturing method are provided in the present invention. The method includes: providing a first structural layer and a second structural layer; performing a co-extrusion step to form a composite layer, in which to use a first extruding machine to perform the co-extrusion step, so the first structural layer is divided into a first thermal fuse film and a third thermal fuse film, and use a second extruding machine to perform the co-extrusion step, so the second structural layer is formed as a second thermal fuse film and disposed between the first thermal fuse film and the third thermal fuse film to form a composite layer; and performing a film-forming step, the composite layer is cooled to form a film through a forming wheel, and a rotating speed of the forming wheel can be controlled to acquire a desired thickness of the composite thermoplastic film.

THERMOPLASTIC FILM AND THE MANUFACTURING METHOD THEREOF
20230001680 · 2023-01-05 ·

A thermoplastic film composed of a single-layer of thermally fuse film. The single-layer of thermally fuse film has a melting point of 50° C.-160° C. and a Shore hardness ranges from 40 A-80 A. The present invention also provides another thermoplastic film, which has a multi-layer structure and the multi-layer structure from bottom to top, there are first thermally fuse film, second thermal fuse and third thermally fuse film. The thickness ratio of the first thermally fuse film, the second thermally fuse film and the third thermally fuse film is 1:1-2:1, in which the thermally fuse film, the first thermally fuse film, the second thermally fuse film, and the third thermally fuse film are thermoplastic polyurethane respectively, and thermoplastic polyurethane contains aromatic functional group or with aliphatic functional group.

Tube container

Proposed is a tube container in which generation of scratches on a surface of the container can be prevented. The present tube container (100) includes a tube body (30) that defines a container space (S) for contents and that has a laminated structure. The tube body (30) includes: a cylindrical laminated sheet (31) in which both edges (31a, 31b) of the sheet are butted together; and a reinforcing tape portion (reinforcing tape 35) provided on an inner surface of the laminated sheet (31) along a butted portion (32). The laminate sheet (31) includes a high hardness protective layer (18) constituting an outermost layer, an outer polyethylene-based resin layer (21) formed on an inner side of the high hardness protective layer (18), and an inner polyethylene-based resin layer (11) constituting an innermost layer, and the high hardness protective layer (18) has a pencil hardness of 3B or greater than 3B. The reinforcing tape portion (35) includes a polyethylene-based resin layer (outer reinforcing resin layer 59) as an outermost layer abutting against the inner surface of the laminate sheet (31).

ADHESIVE FILM FOR METAL TERMINAL, METHOD FOR PRODUCING ADHESIVE FILM FOR METAL TERMINAL, METAL TERMINAL WITH ADHESIVE FILM FOR METAL TERMINAL ATTACHED THERETO, POWER STORAGE DEVICE USING SAID ADHESIVE FILM FOR METAL TERMINAL, AND METHOD FOR PRODUCING POWER STORAGE DEVICE

An adhesive film for a metal terminal is interposed between a metal terminal electrically connected to an electrode of a power storage device element, and a power storage device exterior material that seals the power storage device element, the adhesive film comprising a laminated body including, in the following order: a first polyolefin layer disposed on the metal terminal side; a base material; and a second polyolefin layer disposed on the power storage device exterior material side, wherein the adhesive film has a Martens hardness of at most 30 N/mm.sup.2 as measured in a direction perpendicular to a cross-section in the thickness direction of the first polyolefin layer.

RESIN COMPOSITION, PLATE-SHAPED MOLDED ARTICLE, MULTILAYERED ARTICLE, AND ANTI-REFLECTION FILM

Provided is a resin composition capable of providing a plate-shaped molded article having a high refractive index as well as a high hardness, and a plate-shaped molded article, a multilayered article, and an anti-reflection film formed from the resin composition. The resin composition contains 10 to 99 parts by mass of an acrylic resin (A); and 90 to 1 part by mass of a random copolymer (B) derived from a monomer composition B composed of 5 to 95 mass % of a (meth)acrylate represented by the formula (b1) (b-1), 5 to 95 mass % of an aromatic (meth)acrylate (b-2), and 0 to 20 mass % of an additional monomer (b-3); in the formula (b1), Rb.sup.1 is a hydrogen atom or a methyl group, and Rb.sup.2 is an aliphatic group.

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THIN GLASS LAYER-LAMINATED PRINTED STEEL SHEET HAVING EXCELLENT FLAME RETARDANCY AND MANUFACTURING METHOD THEREOF
20220410537 · 2022-12-29 · ·

The present disclosure relates to a thin glass layer-laminated printed steel sheet having a clearly visible pattern printed on a printed steel sheet and has excellent flame retardancy, and a method for manufacturing the same. Specifically, the present disclosure provides a thin glass layer-laminated printed steel sheet comprising: a printed steel sheet comprising a metal sheet and a printed layer on which a design or pattern having a resolution of 300 dpi or higher is printed, the printed layer being formed on a surface of the metal sheet; a transparent ultraviolet-curable adhesive layer comprising a flame retardant material and having a thickness of 10 to 100 μm, the adhesive layer being formed on the printed steel sheet; and thin glass layer attached by the adhesive layer, and a method for manufacturing the same.

Glass Substrate Multilayer Structure, a Method for Manufacturing the Same, and a Display Panel Including the Same
20220410527 · 2022-12-29 ·

Provided are a glass substrate multilayer structure including a glass substrate; a polyimide-based shatter-proof layer formed on one surface of the glass substrate; and a hard coating layer formed on the polyimide-based shatter-proof layer. The polyimide-based shatter-proof layer has a thickness of 5 to 50 μm, the hard coating layer has a thickness of 5 to 20 μm, and the glass substrate multilayer structure has a retardation in a thickness direction (R.sub.th) of 200 nm or less. A method for manufacturing the glass substrate multilayer structure, and a display panel including the glass substrate multilayer structure are also provided.

Thermoformed cover glass for an electronic device

A property-enhanced cover sheet, and methods for forming a property-enhanced cover sheet, for a portable electronic device are disclosed. A property-enhanced cover sheet is formed by thermoforming a glass sheet into a specified contour shape while modifying one or more properties of the glass. Other property-enhanced sheets can be formed by layering two or more glass sheets having different material properties, and then thermoforming the layered sheets into a required contour shape. Property enhancement for a cover sheet includes, hardness, scratch resistance, strength, elasticity, texture and the like.

OLED encapsulation structure, protective film therefor, and manufacturing method of the protective film

The present invention discloses an organic light-emitting diode (OLED) encapsulation structure, a protective film therefor, and a manufacturing method of the protective film, the protective film includes a base film and an auxiliary film disposed on at least two opposite sides of the base film, and connected to the base film, wherein the auxiliary film is softer than the base film, and when the protective film covers the OLED encapsulation structure, the base film covers a top portion of the OLED encapsulation structure, and the auxiliary film covers at least two opposite sides of the OLED encapsulation structure.