Semi-conductive silicone elastomers

Details Semi-conductive silicone elastomers Semi-conductive silicone elastomers

1976-01-21

1977-04-26

Padgett, Benjamin R.

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

260 37SB, 260 465G, 260 465UA, 260825, 252514, H01B 106

Patent

active

040200140

ABSTRACT:
Conductive silicone elastomer compositions which cure under hot air vulcanization conditions are provided by formulating a vinylorganopolysiloxane gum, an organohydrogenpolysiloxane fluid, a conductive carbon black filler, a peroxide catalyst which is not normally capable of causing the composition to vulcanize in hot air and a small, effective amount of a catalyst comprising platinum or a platinum compound, in an amount which is less than that which will cause cross-linking in up to 24 hours at about 23.degree. C. but at least an amount sufficient to cause the composition to cure under hot air vulcanization conditions.

REFERENCES:
patent: 3425967 (1969-02-01), Modic
patent: 3821140 (1974-06-01), Milbert
patent: 3882083 (1975-05-01), Berger et al.
patent: 3892707 (1975-07-01), Itoh et al.
patent: 3900617 (1975-08-01), Grenoble
patent: 3914369 (1975-10-01), Modic et al.

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