| 摘要 |
PROBLEM TO BE SOLVED: To obtain an ink back-flow inhibitor composition in which ink leakage scarcely occurs even when an external force such as impact is given by making the composition so as not to lower the ink back-flow inhibiting function as much as possible after writing to certain degree. SOLUTION: As the ink back-flow inhibitor composition of fluid having relatively high viscosity which contains ink contained in free state (so-called ink state in an ink container, seals a boundary part which makes it possible to become the contact part of the ink with the atmosphere and suppresses the drying of the ink and ink leakage, 14-26C side chain saturated higher alcohol which is gelatinized is used. |
