Basf Aktiengesellschaft

Ludwig Koessler

Ernst Koehnlein

Peter Bauer

Johannes Schlag

Rudolf Glaser

Alfred F Hausz

Cable insulation having high resistance to the formation or growth of water trees and high aging resistance consists of an ethylene polymer (I) and from 0.5 to 20% by weight of an ethylene polymer (II), which is an ethylene/C.sub.1 -C.sub.8 -alkyl-C.sub.3 -C.sub.6 -alkene carboxylate/C.sub.3 -C.sub.6 -alkenecarboxylic acid terpolymer.

Cable insulation based on ethylene polymers having high resistance to

Cable insulation having high resistance to the formation or growth of water trees and high aging resistance consists of an ethylene polymer and from 0.5 to 20 percent by weight of a styrene copolymer, which is a styrene/diene copolymer in which not less than 90% of the olefinic double bonds have been hydrogenated.

Electrical insulating compositions consisting of an ethylene/vinyl acetate copolymer containing from 0.5 to 9.5 percent by weight of vinyl acetate units, from 0.1 to 2.0 percent by weight of polymerized 2,2,4-trimethyl-1,2-dihydroquinoline, from 0.5 to 5 percent by weight of a triallyl cyanurate and, optionally, up to 0.1 percent by weight of sulfur. The compositions can be crosslinked, with high yield, by treatment with high energy radiation.

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Gruenstadt, Germany

Ludwig Koessler