H01B3/447

Resin composition, sheathed cable, and wire harness
11326044 · 2022-05-10 · ·

The resin composition contains: a resin component containing an ethylene-(meth)acrylate ester copolymer and at least one of an ethylene-propylene-diene terpolymer or ethylene-acrylate rubber; and a flame retardant, and the resin component is crosslinked. The tensile stress at 19% strain of the resin composition is 2.0 MPa or less, and the resin composition has heat resistance at 150° C. prescribed in JASO D624.

Cables coated with fluorocopolymer coatings

Coating compositions including a binder agent are disclosed. The binder agent is formed of a fluorocopolymer and a non-fluorinated film-forming polymer. Methods of coating cables with the coating compositions are also described herein.

SEMICONDUCTIVE POLYMER COMPOSITION

The invention relates to a semiconductive polymer composition comprising a polymer component, a conducting component and a crosslinking agent, wherein the polymer component comprises a polar polyethylene and the crosslinking agent comprises an aliphatic mono- or bifunctional peroxide or, alternatively, a monofunctional peroxide containing an aromatic group, and the crosslinking agent is present in an amount which is Z wt %, based on the total amount (100 wt %) of the polymer composition, and Z.sub.1≤Z≤Z.sub.2, wherein Z.sub.1 is 0.01 and Z.sub.2 is 5.0, an article being e.g. a cable, e.g. a power cable, and processes for producing a semiconductive polymer composition and an article; useful in different end applications, such as wire and cable (W&C) applications.

CROSSLINKABLE POLYMER COMPOSITION COMPRISING POLYMER BLEND OF EVA COPOLYMER AND EMA COPOLYMER
20210347975 · 2021-11-11 ·

The present invention relates to a crosslinkable polymer composition for use as a sheath layer of cable, and to a cable comprising a crosslinked layer obtained from said composition. The crosslinkable polymer composition according to the present invention comprises a polymer blend of ethylene vinyl acetate copolymer and ethylene methyl acrylate copolymer, a flame retardant filler and a crosslinking agent.

RESIN COMPOSITION, SHEATH CABLE, AND WIRE HARNESS
20210340364 · 2021-11-04 · ·

A resin composition includes a resin component including an ethylene-(meth)acrylate copolymer and at least either an ethylene-propylene-diene terpolymer or ethylene acrylate rubber. A content of the ethylene-(meth)acrylate copolymer with respect to a total content of the ethylene-(meth)acrylate copolymer and at least either the ethylene-propylene-diene terpolymer or the ethylene acrylate rubber is 35% by mass or greater and 90% by mass or less. A tensile stress at 19% strain of the resin composition is 2.0 MPa or less, and a tensile stress at break of the resin composition is 10.3 MPa or greater.

Method for manufacturing solid insulation member and insulation member thereof

The method of manufacturing the insulation member includes manufacturing a 3D printing material using a mixed material in which one or more materials selected from among polycarbonate (PC), polybutylene terephthalate (PBT), acrylonitrile-butadiene-styrene (ABS), polyamide (PA), polyoxymethylene (POM), and polyethylene terephthalate (PET), one or more fillers selected from among TiO2, SiO2, and AlO3, and a curing agent are mixed, and which contains different amounts of the fillers at predetermined intervals in a longitudinal direction, and sequentially stacking the manufactured 3D printing material using a 3D printer to thus manufacture a target insulation member so that the mixed material containing different amounts of the fillers at predetermined intervals in a longitudinal direction of the insulation member is sequentially stacked.

INSULATED ELECTRIC WIRE

An insulated electric wire includes a conductor formed of a plurality of element wires twisted together, and an insulating layer covering an outer periphery of the conductor. The insulating layer is formed of a crosslinked product of a polymer composition. The polymer composition contains, as a main component, an ethylene-based copolymer, polyethylene, or a combination of an ethylene-based copolymer and polyethylene. The crosslinked product has a gel fraction of 60% or more, and the crosslinked product has a tensile elongation of 150% or more.

CABLE

Use of a cable, e.g. to carry power, in a salt water environment, e.g. in the sea or under the sea; said cable comprising a conductor which is surrounded by at least an inner semiconductive layer, an insulation layer and an outer semi conductive layer in that order; wherein said insulation layer comprises (i) at least 60 wt % of a low density polyethylene homo or low density polyethylene copolymer with at least one polyunsaturated comonomer and optionally one or more further comonomers; and, (ii) 10 to 35 wt % of a low density polyethylene copolymer of ethylene and at least one polar comonomer selected from the group consisting of an alkyl acrylate, an alkyl methacrylate or vinyl acetate.

FLEXIBLE FLAT CABLE
20230352209 · 2023-11-02 ·

A flexible flat cable includes an upper bonding adhesive layer and a lower bonding adhesive layer bonded together, a plurality of bare wires being sandwiched, an upper metal shielding layer located on an upper side of the upper bonding adhesive layer and adhesively attached to the upper bonding adhesive layer, and a lower metal shielding layer located on a lower side of the lower bonding adhesive layer and adhesively attached to the lower side of the lower bonding adhesive layer. The flexible flat cable does not need to be provided with an insulating material layer. It is small in size and simplified in structure. It not only can meet requirements of industries for characteristic impedance and insertion loss, but also can greatly reduce the cost, which in turn better satisfies the important issue of cost considerations of the industries.

Cable insulation
11462340 · 2022-10-04 · ·

The present invention relates to a wire or cable comprising a conductor coated with an insulation composition, wherein said insulation composition comprises: i) a polyethylene copolymer having a melting point of 105° C. or less; and ii) a hindered amine light stabiliser (HALS) comprising at least one 2,2,6,6-tetramethyl-piperidinyl group present in an amount of 0.5 to 1.5 wt %.