NON-HALOGEN FLAME-RETARDANT RESIN COMPOSITION, INSULATED ELECTRIC WIRE AND CABLE
To provide a non-halogen flame-retardant resin composition that has excellent tear strength, excellent oil resistance and flexibility, and an insulated electric wire and a cable using the non-halogen flame-retardant resin composition.SOLUTION: A cable 12 is constituted of a non-halogen flame-retarda...
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Zusammenfassung: | To provide a non-halogen flame-retardant resin composition that has excellent tear strength, excellent oil resistance and flexibility, and an insulated electric wire and a cable using the non-halogen flame-retardant resin composition.SOLUTION: A cable 12 is constituted of a non-halogen flame-retardant resin composition having a conductor 12a, an isolation layer 12b and a coating layer 12c, where the coating layer 12c (a1) has ethylene-based polymer as a main component, and (a2) contains a base polymer (A) into which ethylene-based polymer having a melting temperature of 115°C or higher ((a1) component is excluded) is mixed (note that ethylene-vinyl acetate copolymer is not contained); and metal hydroxide (B), and the composition contains 150 pts. mass to 200 pts. mass of the metal hydroxide (B) for 100 pts. mass of the base polymer (A).SELECTED DRAWING: Figure 2
【課題】優れた引裂き強さを有し、耐油性および柔軟性に優れたノンハロゲン難燃樹脂組成物ならびにそのノンハロゲン難燃樹脂組成物を用いた絶縁電線およびケーブルを提供する。【解決手段】導体12aと、絶縁層12bと、被覆層12cとを有し、該被覆層12cは、(a1)エチレン系重合体を主成分とし、(a2)融点が115℃以上のエチレン系重合体((a1)成分を除く)が混合されたベースポリマ(A)(ただし、エチレン酢酸ビニル共重合体を含有しない)と、金属水酸化物(B)と、を含有するノンハロゲン難燃樹脂組成物であって、ベースポリマ(A)100質量部に対して、金属水酸化物(B)を150質量部から200質量部を含有する、ノンハロゲン難燃樹脂組成物から構成される、ケーブル12。【選択図】図2 |
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