| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an ink storage member for a writing materials, preventing a deterioration of an ink due to permeation of oxygen and nitrogen in air, suppressing a blow-out and foam generation of the ink, improving an outflow stability of the ink, improving a smell-keeping property of the ink containing an essence, preventing writing poor by a decrease of an inner pressure in the ink storage member of a pressure type of writing materials, and preventing the deterioration of the ink due to water vaporization of a water base ink and moisture absorption of an oil base ink. <P>SOLUTION: The ink storage member, that is an ink storage member A containing the ink for the writing materials, is composed of a multi-layer structure which is composed of an organic polymer layer 11a consisting of an organic polymer and an inorganic compound layer 11c consisting of an inorganic compound. <P>COPYRIGHT: (C)2004,JPO |
