Method of producing mixtures of rubber or rubber-like material,

Details Method of producing mixtures of rubber or rubber-like material, Method of producing mixtures of rubber or rubber-like material,

1988-07-15

1989-10-24

Lilling, Herbert J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523137, 523300, 523344, 524496, C08L 2122, C08K 304, C08J 320

Patent

active

048762970

ABSTRACT:
A method of producing a mixture that contains rubber or rubber-like material, and carbon black. The method includes the steps of adding to the rubber or rubber-like material a portion only of the intended total quantity of carbon black, thereupon preheating the above in a high-frequency alternating field, and subsequently adding in the remainder of the intended total quantity of carbon black. Expediently, approximately up to a maximum of one-third of the intended total quantity of carbon black is added to the rubber prior to the preheating step.

REFERENCES:
patent: 4417005 (1983-11-01), Tokieda et al.
patent: 4451595 (1984-05-01), Lee
patent: 4661299 (1987-04-01), Thorsrud
patent: 4705819 (1987-11-01), Scriver

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