Method for clay exfoliation, compositions therefore, and...

Details Method for clay exfoliation, compositions therefore, and... Method for clay exfoliation, compositions therefore, and...

2003-12-18

2009-08-18

Wyrozebski, Katarzyna (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...

C425S186000, C425S447000

Reexamination Certificate

active

07576155

ABSTRACT:
A polymer composition of low gas permeability. The composition includes an exfoliated organically-modified clay, butyl rubber, and a polymeric exfoliant. A method for producing the butyl composition by dry mixing the butyl rubber with the exfoliated clay is also provided.

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