| 摘要 |
PROBLEM TO BE SOLVED: To bring rubber sticking ink into close contact with a rubber tire, and prevent discoloration by arranging a barrier layer for preventing discoloration of an ink layer between an adhesive layer stuck to a surface of rubber and the ink layer. SOLUTION: In rubber sticking ink, a barrier layer 4 for preventing discoloration of an ink layer 3 is arranged between an adhesive layer 2 stuck to a surface of rubber 1 and the ink layer 3. The rubber 1 is formed as a rubber tire 6 to cope with an appearance of an admixture such as carbon, grease and sulfur mixed in this rubber tire 6 and an appearance of outgas. Polyester ink is used as the ink layer 3. When forming the barrier layer 4 by mixing metallic particulates, glass particulates or mineral particulates in polyester medium between the rubber 1 (the rubber tire 6) and the ink layer 3, infiltration of the admixture included in the outgas of the rubber 1 into the ink layer 3 can be prevented, so that the ink layer 3 can be kept in an initial color state.
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