| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent deformation or elution of a polyisoprene material and feathering to a recording sheet. <P>SOLUTION: A 5-8C hydrocarbon diol in an amount of 0.5-30 wt.% based on the whole ink is caused to be contained in ink i that is fed from a flow path 30 of a liquid ejection head 23, which is composed of a liquid chamber 29 equipped with a pressure-generating element 26a and an ejection port 28a and has a partition wall 27 formed of the polyisoprene material, with its end face constituting the flow path 30, to the liquid chamber 29 and ejected from the ejection port 28a by the pressure-generating element 26a. <P>COPYRIGHT: (C)2008,JPO&INPIT |
