B32B2457/04

Self-healing polymer materials for wire insulation, polyimides, flat surfaces, and inflatable structures

Materials based on low melt polyimide, polyurea, or polyurethane chemistry have been developed which exhibit self-healing properties. These high performance polymers can be utilized either by themselves or in combination with microcapsule technology to deliver self-healing properties to electrical wire insulation or in other high performance, thin wall technologies such as inflatable structures.

PROTECTIVE MEMBER, PROTECTIVE MEMBER-ATTACHED WIRE, AND PROTECTIVE MEMBER MANUFACTURING METHOD

A protective member to be wrapped around an electric wire, in which the protective member has a reduced thickness and exerts, at the same time, both functions of protecting and noise-insulating the electric wire. The protective member is used while being wrapped around the electric wire. The protective member includes: a first sheet material made of a nonwoven fabric; and a second sheet material that is made of a woven fabric, a nonwoven fabric in which fibers longer than fibers of the nonwoven fabric of the first sheet material are joined to each other, or a nonwoven fabric that includes a larger number of joining points at which fibers are intertwined than that of the nonwoven fabric of the first sheet material, the second sheet material being laid on the first sheet material to form one main surface of the protective member.

Metal-coated nonwoven fabric with adhesive layer, process for producing metal-coated nonwoven fabric with adhesive layer, and covered core wire

A metal-coated nonwoven fabric with an adhesive layer capable of enhancing adhesion is provided. The metal-coated nonwoven fabric with an adhesive layer according to the present invention includes a metal-coated nonwoven fabric and an adhesive layer disposed on one surface side of the metal-coated nonwoven fabric, the metal-coated nonwoven fabric including a nonwoven fabric and a metal portion coating the surface of a fiber in the nonwoven fabric, an average thickness of the metal portion being 2 m or less, an average thickness of the metal-coated nonwoven fabric being 25 m or less, an open area ratio of the metal-coated nonwoven fabric being 1% or more and 50% or less.

Electromagnetic wave shielding tape using nanomaterials
10098268 · 2018-10-09 · ·

An electromagnetic wave shielding tape using nanomaterials includes a carrier substrate, a first nanostructure, a second nanostructure, and an insulating enclosing structure for enclosing the carrier substrate, the first nanostructure, and the second nanostructure. The carrier substrate has a first surface and a second surface opposite to the first surface. The first nanostructure is disposed on the first surface of the carrier substrate, and the second nanostructure is disposed on the second surface of the carrier substrate.

COMPOSITE MATERIAL AND METHOD OF PRODUCING COMPOSITE MATERIAL
20180281366 · 2018-10-04 · ·

A composite material including a substrate, a porous body provided on the substrate, and insulating polymers starting from a surface of the substrate and extending inside the porous body, and a method of producing the composite material.

Electrical Heating Unit for Heating a Heat Shrink Cover, Electrical Heating System, Installation System, and Manufacturing Method

An electrical heating unit for heating a heat shrink cover includes an electrical heating element and a carrier unit on which the electrical heating element is assembled. The carrier unit is attachable to the heat shrink cover. The carrier unit has a corrugated shape formed by a plurality of ridges extending along a longitudinal axis of the carrier unit.

Resin composition, prepreg, film with resin, metal foil with resin, metal-clad laminate, and wiring board

An aspect of the present invention is a resin composition containing a polybutadiene compound having an epoxy group in a molecule, a polyphenylene ether compound having at least one of a group represented by the following Formula (1) and a group represented by the following Formula (2) in a molecule, a styrene-based block copolymer, and a curing agent. ##STR00001## In Formula (1), p represents 0 to 10, Z represents an arylene group, and R.sub.1 to R.sub.3 each independently represent a hydrogen atom or an alkyl group. ##STR00002## In Formula (2), R.sub.4 represents a hydrogen atom or an alkyl group.

Laminate water barrier
12087476 · 2024-09-10 · ·

A laminate structure having a metal foil having a lower and an upper surface area, a first layer of a thermoplastic polymer laid onto and covering the lower surface of the layer of metal foil except for a longitudinal uncovered surface area of the layer of metal foil, and a second layer of thermoplastic polymer laid onto and covering the upper surface of the layer of metal foil except for a longitudinal uncovered surface area of the layer of metal foil, and wherein the laminate structure is wrapped around the cable core such that the first uncovered surface area of the metal foil faces the cable core and the second uncovered surface area of the metal foil faces away from the laminate structure, and the laminate structure is thermally joined by a heat treatment.

LAMINATE STRUCTURE, CABLE AND TUBE

A laminate structure includes a first layer as a substrate and a second layer provided on the first layer. The second layer is composed of a rubber composition including a rubber component, first fine particles for providing a surface with irregularity, and second fine particles for shielding UV-C light. When performing Raman mapping analysis on a first peak derived from oscillation of the second fine particles in Raman scattering spectrum obtained by Raman scattering measurement of the second layer, the second layer includes a region where an intensity of the first peak is greater in an area where the first fine particles are not present than an area where the first fine particles are present.

Nanocomposite films with conducting and insulating surfaces

Nanocomposite films comprising conductive nanofiller dispersed throughout a polymer matrix and further comprising at least two surfaces with differing amounts of filler and differing electrical resistivity values are provided. In particular, nanocomposites comprising polyvinyl alcohol as the polymer matrix and nanosheets and/or nanoplatelets of graphene as the conductive filler are provided. In addition, a process for forming the nanocomposites, methods for characterizing the nanocomposites as well as applications in or on electrical and/or electronic devices are provided.