Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1997-11-26
2000-07-04
Krynski, William
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
4284782, 4284784, 428206, 428323, 428688, B32B 300
Patent
active
060836091
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to a recording material used for a printer or plotter employing ink jet recording system, and particularly relates to an ink jet recording material having a photographic paper-like gloss required for color recording or a highly transparent ink jet recording material usable as an OHP film.
BACKGROUND ART
Recently, an ink jet printer or plotter has been remarkably improved, and a high quality image of full color can be easily obtained. Thus, development of an ink jet recording material other than a conventional woodfree paper or coated paper for ink jet recording has been eagerly demanded.
Ink jet recording system comprises jetting very fine ink drops onto a recording material such as paper by various actions to form images, letters and the like on the recording material. An ink jet recording or plotter attracts a good deal of public attention since it has various characteristics that it is excellent in high-speed printability and low noisiness, that flexibility of a pattern to be recorded is large, that development-fixing step is not required, and further that a complex image can be precisely and rapidly formed. Particularly, it has been rapidly spread for various uses including a hard copy-producing device of image information of letters and various drawings prepared by a computer. Further, a multi-color recording can be easily carried out by using a plurality of ink nozzles. Multi-color ink jet system can provide a satisfactory color image comparable to those formed by multi-color printing system or color photographic system, and can provide copies at a lower cost as compared with printing technique or photographic technique when the copying number is small, and has been therefore widely applied.
Recently, an ink jet printer which provides a high quality image comparable to a silver salt photograph image is cheaply commercially available. An ink jet recording material is very low cost although it provides an image of the same quality as compared with silver salt photographic system, and this is a great economical merit for traders to frequently replace display images of a trade sample or an sign board which requires images of large area. Further, the ink jet recording system has an advantage that an image can be easily amended in respect to a color arrangement or layout by checking an image formed on a computer or its printed material, and it is quite impossible for conventional silver salt photographic system to enjoy this advantage.
An ink jet printer or plotter is lately noticeable to be used for preparation of a color artwork in printing field which requires a satisfactory image quality close to a photograph, or to be used for full color image recording such as output of a design image in design department or to be used for recording image information prepared by a computer on a transparent recording material which is then used for an OHP (overhead projector) in presentation of convention.
The above-mentioned demands for an ink jet printer or plotter or demands for a recording material are varied in proportion to a spread of an ink jet printer or plotter. For example, a recording material provided with an excellent outer appearance having a high glossy surface comparable to a silver salt color photograph or a highly transparent recording material usable as an OHP film, is demanded.
An effort has been made in respect to a device or an ink composition so that a usual printing or writing woodfree paper or coated paper can be used as a recording material for ink jet recording system. However, in proportion to an improvement in performances in respect to high speed, high precision or full coloring or in proportion to a spread of use of an ink jet recording device, higher performances are required also for a recording material. That is, the recording material is required to provide a light and clear color tone, to rapidly absorb an ink or to prevent bleeding of ink even when printed dots are overlapped. Particularly, in the case of color recording, not only
REFERENCES:
patent: 4564560 (1986-01-01), Tani et al.
patent: 4946741 (1990-08-01), Aono et al.
patent: 5279885 (1994-01-01), Ohmori et al.
Ikeda Mitsuhiro
Kaneko Satoshi
Sekine Mikiya
Susaki Katsumitsu
Yamamoto Kazuyoshi
Krynski William
Mitsubishi Paper Mills Limited
Xu Hong J.
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