Rubber compositions containing carbon blacks of specified physic

Details Rubber compositions containing carbon blacks of specified physic Rubber compositions containing carbon blacks of specified physic

1989-09-21

1991-05-28

Schofer, Joseph L.

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...

524496, 524566, 524575, 5245755, 525164, C08K 304

Patent

active

050196170

ABSTRACT:
Rubber compositions are disclosed which exhibit enhanced dynamic modulus and tensile strength characteristics. A selected type of carbon black, resorcinsol and/or its precondensate and hexamethoxymethyl melamine are combined in specified amounts with a selected class of starting rubbers. The carbon black has specified nitrogen adsorption surface area, dibutyl phthalate adsorptivity and Dst mode of diameter.

REFERENCES:
patent: 3638702 (1972-02-01), Endter
patent: 4442163 (1984-04-01), Kuhner et al.

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