Silicone rubber reinforced with reinforced precipitated silica

Details Silicone rubber reinforced with reinforced precipitated silica Silicone rubber reinforced with reinforced precipitated silica

1991-08-08

1995-05-02

Michl, Paul R.

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...

524493, C08J 510, C08K 334, C08L 8304

Patent

active

054120187

ABSTRACT:
Elastomeric compositions contain crosslinked poly(diorganosiloxane) and reinforced precipitated silica having, on a coating-free and impregnant-free basis, a surface area of from about 220 to about 340 square meters per gram, a pore diameter at the maximum of the volume pore size distribution function of from about 9 to about 20 nanometers, and a total intruded volume of from about 2.6 to about 4.4 cubic centimeters per gram.

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