Blending of rubber compounds, fillers and plasticizers

Details Blending of rubber compounds, fillers and plasticizers Blending of rubber compounds, fillers and plasticizers

2006-12-26

2006-12-26

Yoon, Tae H (Department: 1714)

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S286000, C524S296000, C524S425000, C524S448000, C524S451000, C524S493000, C524S495000, C524S496000, C524S763000

Reexamination Certificate

active

07153895

ABSTRACT:
Disclosed are methods for the formation of a rubber/filler/curative/plasticizer compacted masterbatch which may be performed in two ways. In one embodiment, a rubber and a filler are intimately mixed for a time and under shear conditions sufficient to form a free flowing associated composition, then the composition is mixed with a plasticizer and a curative to form the compacted masterbatch. Alternatively, the starting material may be an already-formed free flowing associated composition of rubber, filler and optional curative, which is mixed with a plasticizer and optional curative to form the compacted masterbatch.

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