Carbonaceous material with broad aggregate size distribution...

Details Carbonaceous material with broad aggregate size distribution... Carbonaceous material with broad aggregate size distribution...

C - Chemistry, Metallurgy

09

C

C09C 1/48 (2006.01) C08K 3/04 (2006.01)

Patent

CA 2566650

A carbon black with a .DELTA.D50/M greater than about 0.9. The carbon black has an aggregate heterogeneity index (HI) via QTM of greater than about 2.3. The carbon black has a .DELTA.D50 via DCP of greater than about 0.07. The QTM- HI of the present carbon black is unique for N100-200 series carbon blacks, as is the .DELTA.D50. The carbon black is a N200 carbon black with an oil absorption number (OAN) less than about 135 and HI of greater than about 2.3. The carbon black is also a N200 carbon black with an oil absorption number (OAN) less than about 135 and a .DELTA.D50 of greater than about 0.07. The present invention also relates to a polymeric composition and to tires comprising a carbon black of the present invention.

L'invention concerne un noir de carbone présentant un ?D50/M supérieur à 0,9. Le noir de carbone présentant un indice d'hétérogénéité agrégat par l'intermédiaire d'un QTM supérieur à 2,3. Le noir de carbone présente un ?D50 via le DCP supérieure à 0,07. Le QTM-HI du noir de carbone de l'invention est unique pour les séries N100-200 de noir de carbone, comme l'est le ?D50. Le noir de carbone est un noir de carbone N200 comprenant un nombre d'absorption d'huile (OAN) inférieur à environ 135 et un HI supérieur à environ 2,3. Le noir de carbone est également un noir de carbone N200 présentant un nombre d'absorption d'huile inférieur à 135 et un ?D50 supérieur à 0,07. L'invention concerne également une composition polymère et des pneus comprenant le noir de carbone de l'invention.

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