 Moisture and particle getter for enclosures |
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| Apparatus for heating purge gas and transmitting microwave energy for desiccant regeneration |
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| Hydrogen and moisture getter and absorber for sealed devices |
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| Aqua ammonia production by desorption |
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| Method and apparatus for drying iron ore pellets |
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| Hexaboride electron emissive material |
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| Electron tube with dispenser cathode |
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| Method of manufacturing a dispenser cathode and the use of the method |
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| Tungsten-iridium impregnated cathode |
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| Multifunctional ester-type additives for liquid hydrocarbyl or hydrocarbyloxy fuel |
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Photosensitive image forming material and an image forming method using same
| Details |
Inventors: Namiki, Tomizo; Shinozaki, Fumiaki; Ikeda, Tomoaki;
Assignee: Fuji Photo Film Co., Ltd. (Minami-ashigara, JP)
Primary Examiner: Bowers, Jr.; Charles L.
Assistant Examiner:
Attorney, Agent or Firm: Sughrue, Rothwell, Mion, Zinn and Macpeak
A photosensitive image forming material which comprises a transparent support having thereon, in order, a poly(vinyl alcohol) layer, an alcohol soluble polyamide layer and a photosensitive resin composition layer with at least one of the poly(vinyl alcohol) layer and the photosensitive resin composition layer containing a colorant therein; and an image forming method using the image-forming material. Such a layer structure ensures sufficiently layer good adhesion as well as strippability of the developed image on demand. |
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DETAILED DESCRIPTION OF THE INVENTION The support material used in the present invention supports the poly(vinyl alcohol) layer, the photosensitive resin composition layer developable by an aqueous developing solution and the alcohol soluble polyamide layer which may be provided, if desired, thus fixing each of the layers and enabling each of the layers to exert its respective function.
The support material also provides the photosensitive image forming material of the present invention with mechanical strength and dimensional stability in the temperature range between about 0.
degree.
C.
and about 50.
degree.
C.
The term "transparent" support as used herein means supports having a thickness of from about 50 microns to about 2 mm, and more preferably from about 80 microns to about 1.
5 mm, which can transmit not less than about 40%, or more preferably not less than about 65%, of incident light with a wavelength of from about 290 nm to about 700 nm.
Suitable support materials for the present invention include films of cellulose nitrate, cellulose acetate, cellulose acetate butyrate, cellulose acetate propionate, polystyrene, poly(ethylene terephthalate), polycarbonate, etc.
, and various laminated films of the above described materials.
Among these, a poly(ethylene terephthalate) films is preferred as the support.
The poly(vinyl alcohol) layer comprises mainly poly(vinyl alcohol), which is sufficiently firmly bonded to the surface of the support during ordinary storage and ordinary handling conditions while the poly(vinyl alcohol) layer can be stripped away from the support when this layer is subjected to a force above a certain threshold value after image formation.
In the descriptions given hereinafter, this poly(vinyl alcohol) layer will be referred to as a "stripping layer" due to the particular function of this layer.
The stripping layer can be removed in the subsequent development, which is explained in detail hereinafter, only at those areas where the overlying photosensitive composition layer is removed by dissolution into an aqueous developing solution, or is rendered easily removable since the stripping layer swells to such an extent that the adhesive bond between the stripping layer and the support becomes weak
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Manufacturing Materials 
