Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Reexamination Certificate
1997-08-20
2001-09-04
Schwartz, Pamela R. (Department: 1774)
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
C428S207000, C008S125000, C008S127000, C008S445000
Reexamination Certificate
active
06284348
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an ink-jet printing cloth and a textile printing process. In particular, this invention relates to an ink-jet printing cloth which is composed mainly of cellulose fibers and can be dyed for obtaining highly colored, bright and fine patterns with high color yield upon formation of a printed image by an ink-jet system, a textile printing process using such a cloth, and prints provided by this process.
2. Related Background Art
At present, textile printing is principally conducted by screen printing or roller printing. Both methods require making a plate, and are hence unfit for multi-kind small-quantity production and difficult to quickly cope with the fashion of the day. Therefore, there has recently been a demand for development of an electronic printing system making no use of any plate. In compliance with this demand, many textile printing processes according to ink-jet recording have been proposed. Various fields expect much from such textile printing processes.
Ink-jet printing cloths used in such a system are required to have the following performance characteristics:
(1) being colored with an ink to a sufficient color depth;
(2) being dyed high in color yield with an ink;
(3) causing an ink on the cloth to quickly dry;
(4) causing little irregular bleeding of inks on the cloth;
(5) being excellent in feedability in apparatus; and
(6) stably providing a print.
In order to satisfy these performance requirements, the surface of a cloth has heretofore been subjected to a pretreatment in advance, thereby coping with these requirements.
Cloths having an ink-receiving layer have been disclosed, for example, in Japanese Patent Application Laid-Open No. 62-53492, and cloths containing an antireducing agent and an alkaline substance therein have been proposed in Japanese Patent Publication No. 3-46589.
According to such pretreatments, considerable effects are partially recognized on the above requirements. However, whether a printed image after a final process is superior or inferior often still depends on the basic properties inherent in a cloth to be used. There is thus a problem that satisfactory cloths can not yet be obtained. As described above, means capable of satisfying the above individual performance characteristics to some extent have been able to be found in the prior art. However, there have not yet been known under the circumstances any ink-jet printing cloth and textile printing process which can satisfy all the above-mentioned performance characteristics at the same time, solve such a series of problems and provide the highest-quality image.
SUMMARY OF THE INVENTION
It is therefore an object of the present invention to provide an ink-jet printing cloth, which satisfies, at the same time, the above-described general problems involved in the conventional ink-jet printing cloths, i.e., a problem of dyeing technique that a bright print free of ink bleeding, and high in color depth is stably provided, a problem of cost that the color yield of ink is good, a problem of operating characteristics or properties such as ink-fixing ability and feedability in apparatus, etc., a textile printing process using such a cloth and a print provided by this process.
Such an object can be achieved by the present invention described below.
According to the present invention, there is thus provided an ink-jet printing cloth composed of cellulose fibers, wherein the specific gravity of the cloth in an absolute dry condition is adjusted within a range of from 1.45 to 1.49 by mercerization.
According to the present invention, there is also provided a textile printing process comprising applying a printing ink to a cloth by an ink-jet system, subjecting the cloth to a dyeing treatment and then washing the cloth thus treated, wherein said cloth is the ink-jet printing cloth described above.
According to the present invention, there is further provided a print produced by the textile printing process described above.
According to the present invention, there is still further provided a processed article obtained by further processing the print described above.
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H.K. Rouette, “Mercerisieren”,Lexikon für Textilveredlung, Band 2, pp. 1211-1221, 1995.
“Mercerization and Causticizing”,Ullmann's Encyclopedia of Industrial Chemistry, vol. A26, p. 264, sec. 4.2.2.6, 1995.
Haruta Masahiro
Koike Shoji
Shirota Koromo
Suzuki Mariko
Takaide Aya
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Schwartz Pamela R.
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