Rubber blend for the inner liner of vehicle tires

Details Rubber blend for the inner liner of vehicle tires Rubber blend for the inner liner of vehicle tires

2007-07-27

2009-02-17

Harlan, Robert D. (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...

C524S515000, C524S574000

Reexamination Certificate

active

07491765

ABSTRACT:
A rubber blend containing (a) 40-100 phr (parts by weight based on 100 parts by weight of the total rubber mass) of at least one halobutyl rubber; (b) 5-70 phr of at least one delaminated talc having a BET surface area according to DIN 66131 of 10-40 m2/g, an average particle size (D50) of 4-8 μm, determined by laser diffraction measurement, and a lamellarity index of 3-15; and (c) 10-100 phr of at least one carbon black having a CTAB surface area according to ASTM-D 3765 of 10-25 m2/g and a DBP number according to ASTM-D 2414 of 50 to 160 mL/100 g.14. Also, provided are vulcanizates, pneumatic vehicle tires and methods of producing rubber blends.

REFERENCES:
patent: 5576372 (1996-11-01), Kresge et al.
patent: 2004/0242731 (2004-12-01), Waddell et al.
patent: 2004/0242795 (2004-12-01), Waddell et al.
patent: 0832927 (2000-05-01), None
patent: 2005/017013 (2005-02-01), None
patent: 2006/079404 (2006-08-01), None

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