Sulfided carbonaceous materials and vulcanized and vulcanizable rubber compositions reinforced with such carbonaceous materials
AssigneeTRW Inc.
InventorJon W. Martin
Life of this patent
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Abstract
Sulfided carbonaceous materials suitable for reinforcing such diene rubbers as styrene-butadiene rubber and natural rubber include carbon, sulfided iron dispersed in, intimately associated with and at least partially bonded to the carbon, and hydrogen.
Claims11
Sulfided carbonaceous material comprising carbon in an amount of about 80% to about 99% by weight;
- sulfided iron dispersed in, intimately associated with and at least partially bonded to the carbon, in an amount of about 1% to about 15% by weight;
- and hydrogen in an amount of about 0.1% to about 1.5% by weight.
A composition comprising a major amount of diene rubber and a minor amount of sulfided carbonaceous material comprising carbon in an amount of about 80% to about 99%;
- sulfided iron dispersed in, intimately associated with and at least partially bonded to the carbon, in an amount of about 1% to about 15% by weight;
- and hydrogen in an amount of about 0.1% to about 1.5% by weight.
A composition comprising a major amount or diene rubber and a minor amount of sulfided carbonaceous material comprising carbon in an amount of about 90% to about 94% by weight;
- sulfided iron dispersed in, intimately associated with and at least partially bonded to the carbon, in an amount of about 3% to about 9%, and hydrogen in an amount of about 0.5% to about 0.8%.
Pelletized carbonaceous material comprising carbon in an amount of about 80% to about 99%;
- sulfided iron dispersed in, intimately associated with and at least partially bonded to the carbon, in an amount of about 1% to about 15%;
- and hydrogen in an amount of about 0.1% to about 1.5% by weight.
Dependencies are inferred from the claim text.