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Rubber blend for the inner liner of vehicle tires
   
Document Number
US Patent 7491765
Issued Date
February 17, 2009
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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 m.sup.2/g, an average particle size (D.sub.50) of 4-8 .mu.m, 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 m.sup.2/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.
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Number of Claims:
26
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Published
February 17, 2009
Application Number
11/829,773
Filed
July 27, 2007
US Classification
524/451   524/515 524/574
Int'l Classification
C08L   21/00   (20060101)  
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Parent Case
CROSS-REFERENCE TO RELATED APPLICATIONS This application is a continuation of International Application No. PCT/EP2005/013752, filed Dec. 21, 2005, and claims priority of German Patent Application No. 10 2005 004 031.4, filed Jan. 28, 2005. Moreover, the disclosures of International Patent Application No. PCT/EP2005/013752 and German Patent Application No. 10 2005 004 031.4 are expressly incorporated by reference herein in their entireties.
Priority Data
Jan 28, 2005 [DE] 10 2005 004 031
USPTO Field of Search
524/451   524/515   524/574  
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