CARBON BLACK COMPOSITION WITH SULFUR DONER
Carbon black composition with a sulfur donor, and elastomeric compositions comprising the same, together with methods for preparing and using the same.
1 . A composition comprising carbon black and a sulfur donor.
2 . The composition of claim 1 , wherein the sulfur donor comprises a thiophosphate.
3 . The composition of claim 1 , wherein the sulfur donor comprises a dithiophosphate.
4 . The composition of claim 1 , wherein the sulfur donor comprises a phosphoryl polysulfide.
5 . The composition of claim 1 , wherein the carbon black comprises a functionalized carbon black.
6 . The composition of claim 1 , wherein the carbon black comprises an oxidized carbon black.
7 . The composition of claim 1 , wherein the carbon black is ozonated.
8 . The composition of claim 1 , wherein the carbon black has a nitrogen surface area of from about 15 m 2 /g to about 140 m 2 /g.
9 . (canceled)
10 . (canceled)
11 . The composition of claim 1 , wherein the carbon black has an external surface area of from about 10 m 2 /g to about 140 m 2 /g.
12 . (canceled)
13 . (canceled)
14 . The composition of claim 1 , wherein the carbon black has an oil absorption number of from about 40 cm 3 /100 g to about 180 cm 3 /100 g.
15 . (canceled)
16 . (canceled)
17 . (canceled)
18 . The composition of claim 1 , wherein the carbon black has a compressed oil absorption number of from about 91 cm 3 /100 g to about 199 cm 3 /100 g.
19 . (canceled)
20 . The composition of claim 1 , wherein the carbon black has a moisture content of from about 0.5 wt % to about 10 wt %.
21 . The composition of claim 1 , wherein the carbon black has a volatile content of from about 1 wt % to about 7 wt %.
22 . (canceled)
23 . (canceled)
24 . The composition of claim 1 , wherein the carbon black has an oxygen content of from about 0.5 wt % to about 6 wt %.
25 . (canceled)
26 . The composition of claim 1 , wherein the sulfur donor is present on the surface of the carbon black.
27 . (canceled)
28 . An elastomer composition comprising the composition of claim 1 .
29 . The elastomer composition of claim 28 , wherein the sulfur donor is present at a concentration of from greater than 0 phr to about 15 phr.
30 . (canceled)
31 . (canceled)
32 . (canceled)
33 . The elastomer composition of claim 28 , wherein the composition comprises a passenger car radial rubber composition.
34 . The elastomer composition of claim 28 , wherein the composition comprises a truck bus radial rubber composition.
35 . A method for preparing a carbon black composition comprising a sulfur donor, comprising contacting the carbon black and the sulfur donor.
36 . The method of claim 35 , wherein the sulfur donor is sprayed on the surface of the carbon black.
37 . (canceled)
38 . (canceled)
39 . The method of claim 35 , wherein the carbon black and sulfur donor are contacted prior to contacting any one or more elastomer materials.
40 . (canceled)
41 . (canceled)
42 . The method of claim 39 , wherein the one or more elastomer materials are not functionalized.
43 . A method for preparing a rubber compound, comprising contacting a carbon black and a sulfur donor, and then contacting with elastomer.
44 . The method of claim 43 , wherein no reactive mixing is required to prepare the rubber compound.
45 . A rubber compound prepared according to the method of claim 35 .
46 . (canceled)
47 . (canceled)
48 . (canceled)
49 . (canceled)
50 . (canceled)
51 . (canceled)
52 . (canceled)