C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 7/00 (2006.01) B60C 1/00 (2006.01) B60C 5/12 (2006.01) C08L 23/28 (2006.01) C08L 51/00 (2006.01) C08L 63/00 (2006.01) C08L 71/03 (2006.01)
Patent
CA 2112189
Abstract of the Disclosure A tubeless pneumatic vehicle tire having re- sistance to air permeability in the absence of an in- nerliner comprises a tread, one or more reinforcing belts, sidewalls, one or more body plies and beads; wherein the rubber coating of the innermost body ply is formed from a rubber composition comprising from about 10 to about 60 parts by weight of natural rubber; from about 20 to about 30 parts by weight of halogenated butyl rubber; from about 20 to about 30 parts by weight of epichlorohydrin rubber; and from about 5 to about 50 parts by weight of a metal salt-containing material selected from the group consisting of a metal salt of an unsaturated carboxylic acid and a graft copolymer comprising polymer or copolymer backbone having pendently grafted thereto a polymerized metal salt of an unsaturated carboxylic acid.
Morehart Christine L.
Ravagnani Frederick J.
Bridgestone Corporation
Swabey Ogilvy Renault
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