| 摘要 |
Disclosed is an ink tube for ink-jet printers, which has excellent flexibility and workability, while being small in compression set as well as in water vapor permeability and air permeability. Specifically, an ink tube for ink-jet printers is made from a thermoplastic elastomer composition which contains a rubber component containing a butyl rubber at a ratio of not less than 30% by mass but not more than 80% by mass, not less than 5 parts by mass but not more than 50% parts by mass of an olefin thermoplastic resin per 100 parts by mass of the rubber component, and not less than 10 parts by mass but not more than 100 parts by mass of a hydrogenated styrene thermoplastic elastomer per 100 parts by mass of the rubber component. In this thermoplastic elastomer composition, the rubber component is finely dispersed by dynamic crosslinking.
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