Skim compounds incorporating low ash carbon blacks

Details Skim compounds incorporating low ash carbon blacks Skim compounds incorporating low ash carbon blacks

C - Chemistry, Metallurgy

08

K

C08K 3/04 (2006.01) B29B 15/14 (2006.01) B60C 1/00 (2006.01) C09C 1/50 (2006.01)

Patent

CA 2152805

Fabric or wire skim compounds having low moisture absorption properties that comprise rubber and a carbon black having an ash content of less than or equal to 0.2 % by weight, preferably less than or equal to 0.1 %, by weight, a structure represented by DBP (dibutyl phthalate absorption) of 50-160 cubic centimeters per 100 gram (cc/100g), an lodine Number (I2No.) of 10-180 milligrams per gram (mg/g), preferably 50-130 mg/g, and a Tint value of 30-140 %, preferably 60 140 %. More preferably, the carbon black is further characterized by having a CDBP of 40 120 cc/100g, preferably 50-120 cc/100g, and a CTAB level of 10-125 square meters per gram (m2/g), preferably 60-125 m2/g. Also disclosed are reinforcing materials coated with skim compounds of the present invention.

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