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| Vinyl chloride resin composition for coating electric wires |
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| Modified elastomer and laminate thereof |
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| Process for producing cycloolefin random copolymers |
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Ink, ink-jet recording process and apparatus making use of the same
| Details |
Inventors: Tonogaki, Masahiko; Suga, Yuko; Kashiwazaki, Akio; Takaide, Aya;
Assignee: Canon Kabushiki Kaisha (Tokyo, JP)
Primary Examiner: Smith; Jeffrey T.
Assistant Examiner:
Attorney, Agent or Firm: Fitzpatrick, Cella, Harper & Scinto
Provided is an ink comprising a compound having at least one carbonyl group and a hydrazide compound selected from the group consisting of a styrene-maleic acid resin having at least two hydrazide groups, a polyacrylic acid having at least two hydrazide groups and a compound represented by the formula ##STR1## wherein R represents (CH.sub.2).sub.n or C.sub.6 H.sub.4, where n is an integer of 0 to 10, or the formula ##STR2## |
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DETAILED DESCRIPTION Accordingly, an object of the present invention is to provide an ink that can be free from any irregular print quality level due to differences in the types of recording paper and can satisfy fixing speed and rub-off fastness, and also thereby obtain stable recorded images without decreasing print density.
Another object of the present invention is to provide an ink that enables blurring-free recording on all sorts of recording paper without excessively increasing the viscosity of the ink and also has superior recording performances in variety, and an ink-jet recording process and apparatus making use of the ink; more specifically, to provide an ink that has solved the problems of blurring of ink and slow-drying of recorded matter that may occur when recording is performed on non-coated paper, what is called plain paper, such as paper for copying, paper for reporting, notepaper, letter paper, bond paper and computer printout paper commonly used in offices and so forth.
A still another object of the present invention is to provide an ink that is very safe when used in offices and homes.
The above objects of the present invention can be achieved by the invention as described below.
The present invention is an ink comprising a hydrazide compound selected from the group consisting of a compound represented by the following Formula (I) or (II), a styrene-maleic acid resin having at least two hydrazide groups and a polyacrylic acid having at least two hydrazide groups, and a compound having at least one carbonyl group.
##STR3## wherein R represents (CH.
sub.
2).
sub.
n or C.
sub.
6 H.
sub.
4, where n is an integer of 0 to 10.
##STR4## The present invention also provides an ink comprising a water-soluble resin having an oxazolyl group or a fine particle having oxazolyl groups adsorbed on its outer surface, and a compound having at least one carbonyl group.
The present invention also provides an ink-jet recording process comprising ejecting an ink from an orifice according to recording signals to make a record on a recording medium, wherein said ink is the ink described above
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