B32B2307/714

Filter medium, method for manufacturing same, and filter unit comprising same
11633701 · 2023-04-25 · ·

A filter medium according to one embodiment of the present invention comprises: a first support having a plurality of pores; a nanofiber web comprising nanofibers disposed on upper and lower portions of the first support and forming a three-dimensional network structure, and a hydrophilic coating layer formed on at least a part of an outer surface of the nanofibers, wherein the hydrophilic coating layer is formed of a hydrophilic coating composition comprising a hydrophilic polymer compound having at least one functional group selected from a hydroxyl group and a carboxyl group and a crosslinking agent comprising at least one sulfone group; and a second support having a plurality of pores interposed between the first support and the nanofiber web.

Non-metallic flexible pipe and manufacturing method thereof

A nonmetallic flexible pipe and a manufacturing method thereof. The nonmetallic flexible pipe comprises, from the inside to the outside, an inner liner, a pressure bearing layer, an isolation layer, a tensile layer, a functional layer, and a protective layer, wherein two adjacent layers are non-rigidly bonded. The inner liner layer is made from a thermoplastic polymer. The pressure bearing layer is made from a fiber-reinforced resin-based composite material. The isolation layer is made from a thermoplastic polymer. The tensile layer is made from a resin-reinforced fiber material. At least one of an optical fiber, a cable, a tracing ribbon, a pipe for conveying a heat transfer medium, a pressure sensor, and a temperature sensor is provided in the functional layer. The protective layer is made from a thermoplastic polymer.

Resin composition, pellet, composite molded article, method for manufacturing composite molded article and tank

To provide a resin composition, a pellet, a composite molded article, a method for manufacturing a composite molded article and a tank, all capable of enabling tight joining and integration of the polyacetal resin molded article and the polyethylene resin molded article, and of suppressing formaldehyde emission and occurrence of mold deposit. The resin composition contains a resin ingredient and melamine, the resin ingredient containing a polyacetal resin and a maleic anhydride-modified polyethylene resin, the polyacetal resin and the maleic anhydride-modified polyethylene resin following a mass proportion of (20 to 49):(80 to 51), and molar concentration of the maleic anhydride group capable of reacting with amino group of melamine contained in the resin composition being 5 to 25 μmol/g.

Transparent resin film, decorative board, and method for producing decorative board

The present invention provides a transparent resin film that is capable of imparting excellent design properties to a decorative board and is excellent in adhesion to a picture layer, a decorative board including the transparent resin film, and a method for producing the decorative board. Provided is a transparent resin film for protecting a picture layer provided on one side of a substrate, the transparent resin film having a pattern of protrusions and depressions on a picture layer side, the pattern of protrusions and depressions having a maximum height roughness Rz defined in JIS B 0601 (2001) within a range of 15 μm or larger and 70 μm or smaller.

SECURING SYSTEM

A securing system includes a fastener and a tape. The fastener includes a main body portion having a first end and a second end, a curved portion extending from the first end, first and second legs extending from the second end, and a roller extending between the first and second legs. The tape may extend around the roller and may be self-adhering.

INDUSTRIAL CONTAINMENT BAGS FOR BULK MATERIALS, WASTE MATERIALS AND/OR HAZARDOUS MATERIALS WITH VARYING LEVELS OF RADIOACTIVITY

The present invention is directed to new and improved industrial containment bags wherein the improvement comprises providing methods and technologies for improving the integrity of such bags during processes designed for lifting, transporting storing and/or disposing of the same. In certain embodiments, the improvement includes providing methods and technologies for improving the sealing capabilities of the bag's closure systems. In other embodiments, the improvement includes providing methods and technologies for assessing the load balance of materials being contained in such industrial containment bags; and thereafter, compensating for any significant load imbalances. The present invention is also directed to methods of manufacturing, using, filling, lifting, transporting, storing, and/or disposing of such new and improved industrial containment bags.

CURABLE COMPOSITION, PREPREG, RESIN SHEET, METAL FOIL-CLAD LAMINATE AND PRINTED WIRING BOARD

A curable composition is provided that includes an alkenyl phenol A, an epoxy-modified silicone B, an epoxy compound C other than the epoxy-modified silicone B, and a thermosetting resin E, in which the thermosetting resin E contains one or more selected from the group consisting of a maleimide compound, a cyanate ester compound, a phenolic compound, an alkenyl-substituted nadimide compound, and an epoxy compound.

LIGHT AND MOISTURE CURABLE COMPOSITIONS
20230067047 · 2023-03-02 ·

Curable compositions comprising a urethane multifunctional (meth)acrylate, a photo initiator system, a moisture-cure initiator, and an oligomer, where the oligomer is represented by the formula (I) where each X.sup.1 is independently alkylene; each X.sup.2 is independently alkylene, polyether, polyester, or polyurethane; R.sup.1 is a (meth)acrylate; R.sup.2 is urethane or isocyanate; and R.sup.3 alkylene (meth)acrylate, polyester (meth)acrylate, polyether, polyester, polyurethane, or nothing, and where the ratio of (meth)acrylate to isocyanate in the oligomer is 1:1 to 1:2. Methods of making curable compositions, methods of sealing a substrate, and methods of adhering two substrates are provided.

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PREPREG, LAMINATE, AND MOLDING

An object of the present invention is to provide a prepreg and a laminate for producing a laminate suitable as a structural material, which have excellent compressive strength and interlaminar fractural toughness values, and can be firmly integrated with another structural member by welding. The present invention provides a prepreg including the following structural components [A] reinforcing fibers, [B] a thermosetting resin, and [C] a thermoplastic resin, in which [B] has a rubbery state elastic modulus of 10 MPa or more at a temperature obtained by adding 50° C. to a glass transition temperature in a state in which a degree of cure is 90% or more, [C] is present in a surface of the prepreg, and the reinforcing fibers [A] are present, which are included in a resin area including {B] and a resin area including [C] across an interface between the two resin areas.

Synthetic leather for steering wheel cover having improved durability and method for preparing the same

The present invention relates to a synthetic leather for a steering wheel cover of a vehicle, and a method for preparing the same. The synthetic leather including a fiber base layer (101) including a microfiber nonwoven fabric, an urethane porous layer (102) formed on the fiber base layer, a polyurethane resin skin layer (104) formed on the urethane porous layer, and prepared by polymerizing an isocyanate compound and a polyol compound including polycarbonate-based polyol, fluorine-based polyol and ester-based polyol, and an adhesive layer (103) for adhering the urethane porous layer and the skin layer.