Title (en)

Silicone rubber compositions for high-voltage electrical insulators

Title (de)

Silikonkautschukzusammensetzung für Hochspannungsisolatoren

Title (fr)

Caoutchouc de silicone pour isolateurs à haute tension

Publication

EP 1052655 A1 20001115 (EN)

Application

EP 00300163 A 20000111

Priority

JP 13110099 A 19990512

Abstract (en)

A mixture of a first aluminum hydroxide surface treated with a silicon-containing compound and having a mean particle size of 5-20 mu m and a second aluminum hydroxide surface treated with a silicon-containing compound and having a mean particle size of 0.1-2.5 mu m is blended in a silicone rubber composition comprising an organopolysiloxane, finely divided silica, and an organic peroxide. The silicone rubber composition cures into silicone rubber having sufficiently improved properties to serve as high-voltage electrical insulators, even when exposed to air polluted conditions or rigorous weather conditions.

IPC 1-7

H01B 3/46; C08K 3/22; C08L 83/04

IPC 8 full level

H01B 3/46 (2006.01)

CPC (source: EP)

H01B 3/46 (2013.01)

Citation (search report)

• [DA] US 5369161 A 19941129 - KUNIEDA SHIGEHIKO [JP], et al
• [A] US 5668205 A 19970916 - YOSHIDA TAKEO [JP], et al
• [A] EP 0801111 A1 19971015 - DOW CORNING TORAY SILICONE [JP]
• [A] EP 0787772 A2 19970806 - DOW CORNING TORAY SILICONE [JP]

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 1052655 A1 20001115; EP 1052655 B1 20040102; DE 60007481 D1 20040205; DE 60007481 T2 20041125

DOCDB simple family (application)

EP 00300163 A 20000111; DE 60007481 T 20000111