Heat resistant ethylene-propylene rubber and insulated conductor product thereof
AssigneeGeneral Electric Company
InventorJoseph Edward Vostovich
Life of this patent
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Abstract
A crosslink curable ethylene-propylene rubber composition with improved resistance to heat, the cured rubber composition and electrical conductors insulated with said cured rubber composition. The improved rubber composition comprises a combination of ethylene-propylene rubber, chlorosulfonated polyethylene, zinc oxide, talc and carbon black in particular proportions.
Claims8
A curable ethylene-propylene rubber composition having improved resistance to heat and apt electrical and physical properties, consisting essentially of the combination in approximate parts by weight of:
- ______________________________________ Ethylene-Propylene Rubber 100 Chlorosulfonated Polyethylene 3- 10 Zinc Oxide 15- 30 Talc 75- 200 Vinyl Silane 1- 3 Carbon Black 10- 30 Antimony Oxide 0- 6 Antioxidant 0.5- 6 Peroxide Curing Agent 2- 8 Curing Coagent 0- 3. ______________________________________
A curable ethylene-propylene rubber composition having improved resistance to heat and apt electrical and physical properties, consisting essentially of the combination in approximate parts by weight of:
- ______________________________________ Ethylene-Propylene Rubber 100 Chlorosulfonated Polyethylene 5 Zinc Oxide 20 Talc 179 Vinyl Silane 3 Carbon Black 20 Antimony Trioxide 5 Antioxidant 4 Processing Lubricant Oil 54 Peroxide Curing Agent 4.19 Curing Coagent 2. ______________________________________
A curable ethylene-propylene rubber composition having improved resistance to heat and apt electrical and physical properties, consisting essentially of the combination in approximate parts by weight of:
- ______________________________________ Ethylene-Propylene-Diene Terpolymer 100 Chlorosulfonated Polyethylene 5 Zinc Oxide 20 Talc 179 Vinyl Silane 3 Carbon Black 20 Antimony Trioxide 5 Zinc Salt of 2-mercaptobenzimidazole 2 Polymerized 1,2-dihydro-2,2,4,-trimethylquinoline 2 Diisodecyl Phthalate 0.5 Process Lubricant Oil 54 Dicumyl Peroxide 4.19 Trimethylol Propane Trimethacrylate 2 ______________________________________
A curable ethylene-propylene rubber composition having improved resistance to heat and apt electrical and physical properties, consisting essentially of the combination in approximate parts by weight of:
- ______________________________________ Ethylene-Propylene-Diene Terpolymer 100 Chlorosulfonated Polyethylene 3 - 10 Zinc Oxide 15 - 30 Talc 75 - 200 Vinyl Silane 1 - 3 Carbon Black 10 - 30 Antimony Trioxide 0 - 10 Zinc Salt of 2-mercaptobenzimidazole 0.25 - 3 Polymerized 1,2-dihydro-2,2,4-trimethylquinoline 0.25 - 3 Diisodecyl Phthalate 0 - 2 Processing Lubricant Oil 0 - 100 Dicumyl Peroxide 2 - 8 Trimethylol Propane Trimethacrylate 0 - 3 ______________________________________
Dependencies are inferred from the claim text.