Tire rubber composition based on a reinforcing aluminosilicate

Details Tire rubber composition based on a reinforcing aluminosilicate Tire rubber composition based on a reinforcing aluminosilicate

2007-08-14

2007-08-14

Wu, David W. (Department: 1713)

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...

C524S450000, C524S437000, C524S438000, C524S436000, C524S492000, C524S571000, C524S575000, C152S209100

Reexamination Certificate

active

11155507

ABSTRACT:
A rubber composition usable for the manufacture of tires, based on at least one diene elastomer, one reinforcing inorganic filler and a coupling agent providing the bond between the inorganic filler and the elastomer. The inorganic filler comprises a synthetic aluminosilicate of the formula:in-line-formulae description="In-line Formulae" end="lead"?MxSiAlyOa(OH)b, (H2O)c  (I)in-line-formulae description="In-line Formulae" end="tail"?in which:M is a cation selected from of K+, Na+, Ca++and mixtures of these cations;x>0; y>0; a≧0; b≧0, c≧0 and a+b>0,and having the following characteristics:(a) a BET specific surface area of between 20 and 300 m2/g;(b) an average particle size by mass (dw) of between 20 and 400 nm; and(c) an ultrasound disagglomeration rate (α) greater than 5×10−4μm−1/min.

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