Modified polymer with partitioning agent

Details Modified polymer with partitioning agent Modified polymer with partitioning agent

2008-05-06

2010-12-07

Szekely, Peter (Department: 1796)

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...

C524S489000

Reexamination Certificate

active

07847006

ABSTRACT:
A modifier material and method for making the same is characterized by the addition of a partitioning agent to a polymer material such as synthetic rubber to prevent reagglomeration of the rubber. The partitioning agent reduces the time required to disperse the modifier material in a material to be modified and also reduces the viscosity of the modified material so that the modified material is easier to handle. The partitioning agent preferably includes a mixture of phenyl formaldehyde resin and precipitated silica gel.

REFERENCES:
patent: 4242246 (1980-12-01), Maldonado et al.
patent: 7371794 (2008-05-01), Memon
patent: 06-221439 (1994-08-01), None

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