Patent ID: 8088481

Claim:
A tire adhesive sheet, comprising: a base material, an adhesive layer and an aluminum deposited layer placed between the base material and the adhesive layer, wherein: the base material is a polyethylene terephthalate film having a thickness of 10 to 150 μm, the adhesive layer contains a hot-melt adhesive composition comprising: 15 to 40% by weight of a block copolymer containing a combination of a styrene/isoprene/styrene block copolymer as an ABA block copolymer and a styrene isoprene block copolymer as an AB block copolymer, wherein an amount of the AB block copolymer added is 30 to 55% by weight with respect to the whole amount of the block copolymer, 30 to 70% by weight of a plurality of tackifiers having different softening points, wherein the tackifiers include a combination of at least one tackifier selected from the group consisting of an aromatic denatured terpene resin, a terpene phenol resin, an aliphatic petroleum resin, an aromatic petroleum resin, an aliphatic/aromatic copolymer petroleum resin, and rosin resin except for polymerized rosin ester, and at least one tackifier having a softening point of 60 to 100° C.; and polymerized rosin ester having a softening point of 120° C. or more, said softening points being measured in accordance with JIS K 2207, and a softening point of the tackifier which has said softening point of 60 to 100° C., has a softening point 30° C. or more lower than a softening point of the polymerized rosin ester which has a softening point of 120° C. or more, and the amount of the polymerized rosin ester which has a softening point of 120° C. or more added, is in the range of 5 to 25% by weight with respect to the total amount of plural tackifiers, and 10 to 40% by weight of a plasticizer, said adhesive layer satisfying adhesion characteristics of: (A) an adhesive strength of 7 N/25 mm or more with respect to a styrene-butadiene-rubber plate at 5° C.; and (B) an adhesive strength of 7 N/25 mm or more with respect to the styrene-butadiene-rubber plate at 40° C.