| 摘要 |
PROBLEM TO BE SOLVED: To provide a thermosensitive color developing display composition for rubber product which, in spite of a simple composition, can integrally form on the surface of a rubber product a thermosensitive color developing display layer by heating displaying a variety of information such as characters; to provide a rubber product having a display function that is fabricated using the composition; and to provide a manufacturing method thereof. SOLUTION: As the thermosensitive color developing display composition for rubber product, there is used a rubber composition containing a thermosensitive color-changing microcapsule that includes a thermosensitive color-changing composition, a diene type rubber component and a solvent and not containing a crosslinking agent for rubber. This composition is attached to the surface of an unvulcanized rubber product, the crosslinking agent for rubber contained in the above unvulcanized rubber product is allowed to spontaneously migrate into the thermosensitive color developing display composition for rubber product, the unvulcanized rubber product attached with the composition is heated to vulcanize it, and on the surface of the vulcanized rubber product there is formed the thermosensitive color developing display layer that is integrally laminated in the vulcanized state. COPYRIGHT: (C)2008,JPO&INPIT
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