Dielectric properties of flame resistant EPDM composites

被引：39

作者：

Canaud, C ^{[1
]}

Visconte, LLY ^{[1
]}

Sens, MA ^{[1
]}

Nunes, RCR ^{[1
]}

机构：

[1] Univ Fed Rio de Janeiro, Inst Macromol Professora Eloisa Mano, BR-21945970 Rio De Janeiro, RJ, Brazil

来源：

POLYMER DEGRADATION AND STABILITY | 2000年 / 70卷 / 02期

关键词：

EPDM compositions; flame resistance; dielectric properties; aluminum hydroxide;

D O I：

10.1016/S0141-3910(00)00124-5

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Formulations ol ethylene-propylene-diene rubber containing mixtures of aluminum hydroxide (ATH) and carbon black (HAF) as fillers were developed, aiming to achieve a synergism in properties, to fit national and international standards for application as insulation in electric wires and cables, yet keeping the fire resistance. After flammability determination, the developed compositions were analyzed for dielectric constant, dissipation factor, dielectric strength, and volumetric and surface resistivity. It was found that for flame resistance, a minimum amount of 160 phr of ATH must be present. However, this composition contains 15 phr of HAF, which is harmful to the electric properties. Only the composition with 170/7.5 (ATH/HAF) exhibited the desired performance. (C) 2000 Elsevier Science Ltd. All rights reserved.

引用

页码：259 / 262

页数：4

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