Skim compounds incorporating low ash carbon blacks

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

1993-01-21

1995-01-17

Cain, Edward J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524495, C08K 304

Patent

active

053826213

ABSTRACT:
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/100 g), an Iodine Number (I.sub.2 No.) 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/100 g, preferably 50-120 cc/100 g, and a CTAB level of 10-125 square meters per gram (m.sup.2/ g), preferably 60-125 m.sup.2 /g. Also disclosed are reinforcing materials cited with skim compounds of the present invention.

REFERENCES:
patent: 3943093 (1976-03-01), Feniak
patent: 4267079 (1981-05-01), Davis et al.
"Carbon Blacks for Rubber Applications"; Cabot Corporation, North American Rubber-Black Division, Atlanta, GA (Mar. 1989).

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