Carbon blacks

Details Carbon blacks Carbon blacks

1989-09-14

1992-12-01

Lewis, Michael

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...

423445, C01B 3100, C08K 304

Patent

active

051681064

ABSTRACT:
Carbon blacks having a nitrogen surface area (N.sub.2 SA) of from at least 180 m.sup.2 /g to about 250 m.sup.2 /g, a ratio of nitrogen surface area/iodine adsorption number (N.sub.2 SA/I.sub.2 No.) of from about 0.90 to about 1.05, a ratio of .DELTA.D 50/Dmode of from about 0.67 to about 0.81, a DBP (dibutyl phthalate number) of from about 115 cc/100 g to about 135 cc/100 g and a .DELTA.DBP [.DELTA.DBP=DBP-CDPB (Crushed DBP)] less than or equal to 20 cc/100 g, and rubber compositions in which the carbon blacks are incorporated.

REFERENCES:
patent: 4748199 (1988-05-01), Takiguchi et al.
patent: 4775778 (1988-10-01), van Konynenburg et al.
patent: 4871794 (1989-10-01), Itoh et al.
patent: 4886850 (1989-12-01), Ogawa et al.

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