Yazaki Corporation

Kousuke Kogo

Makoto Kambe

The present invention relates to an insulated electric wire for an automobile containing a conductor and an insulating coating layer which coats the conductor, the insulating coating layer being formed of a non-crosslinkable resin composition containing 65 to 90 parts by weight of a polypropylene-based resin, 10 to 40 parts by weight of a metal hydroxide, 20 to 50 parts by weight of a bromine-based flame retardant, 5 to 30 parts by weight of antimony trioxide, and 2 to 15 parts by weight of a maleic acid-modified resin in the ratio and further containing at least one of 3 to 10 parts by weight of a polyethylene resin and 2 to 10 parts by weight of an ethylene-based copolymer.

Insulated electric wire for automobile

To provide an electric cable that can satisfy flame retardancy and battery fluid resistance in the CHFUS region provided in ISO 6722 and also satisfy wear resistance and low-temperature impact property by using a halogen-containing flame retardant. An electric cable in which a coat layer is formed of a resin composition that includes (A) 55 to 85 parts by mass of a polypropylene homopolymer, (B) 5 to 20 parts by mass of a polypropylene-based modified resin, (C) 5 to 20 parts by mass of a polyolefin-based copolymer, and (D) 5 to 15 parts by mass of a modified olefin-based elastomer, respectively and further includes 1 to 45 parts by mass of a metal hydroxide and 10 to 80 parts by mass of a halogen-containing flame retardant based on 100 parts by mass of the resins (A), (B), (C), and (D) in total.

Electric cable

The invention relates to a flame-retardant resin composition for an aluminum electric wire, the resin composition comprising: a base resin containing (A) 75 to 95 parts by weight of a resin composition containing 45 to 65 parts by weight of an olefin-based resin having a tensile modulus of 1000 to 1500 MPa, 10 to 30 parts by weight of an olefin-based resin having a D hardness of 40 to 55, and 5 to 15 parts by weight of a maleic acid-modified resin and (B) 5 to 25 parts by weight of a flexible resin, and (C) 90 to 150 parts by weight of magnesium hydroxide blended into 100 parts by weight of the base resin.

Flame-retardant resin composition for aluminum electric wire and aluminum electric wire using same

To provide an electric cable that can satisfy flame retardancy and battery fluid resistance in the CHFUS region provided in ISO 6722 and also satisfy low-temperature resistance, wear resistance, and peelability by using a halogen-containing flame retardant. An electric cable in which a coat layer is formed of a non-crosslinked resin composition that includes (A) 40 to 84 parts by mass of a polypropylene homopolymer, (B) 1 to 10 parts by mass of a polypropylene-based modified resin, (C) 10 to 30 parts by mass of a polyolefin-based copolymer, and (D) 5 to 20 parts by mass of an olefin-based elastomer and further includes 1 to 45 parts by mass of a metal hydroxide and 10 to 80 parts by mass of a halogen-containing flame retardant based on 100 parts by mass of the resins (A), (B), (C), and (D) in total.

There is provided a flame-retardant insulated electric wire having an aluminum conductor, which is excellent in long-term thermal resistance, flame retardancy, stretchability, and abrasion resistance. The present invention relates to a flame-retardant insulated electric wire containing a conductor containing an aluminum-based material and an insulating coating layer which coats the conductor, wherein the insulating coating layer is formed of a resin composition containing 100 parts by weight of a base resin containing (A) a polypropylene-based resin and (B) an olefin-based thermoplastic elastomer and a styrene-based thermoplastic elastomer, (C) 50 to 150 parts by weight of a flame retardant, and (D) 0.35 to 6.00 parts by weight of a metal scavenger.

Flame-retardant insulated electric wire

The present invention provides an electric wire for an automobile. Specifically, the present invention provides an electric wire for an automobile coated with a composition comprising (A) 100 parts by weight of a mixture of 1 to 30 parts by weight of a maleic acid-modified polypropylene resin and a polyolefin-based resin other than the maleic acid-modified polypropylene resin, (B) 10 to 80 parts by weight of a halogen-based flame retardant, and (C) 5 to 45 parts by weight of a metal hydrate flame retardant.

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Shizuoka, Japan

Kousuke Kogo