CN201229465Y - Double face sensitizing color photographic paper - Google Patents
Double face sensitizing color photographic paper Download PDFInfo
- Publication number
- CN201229465Y CN201229465Y CNU2008201067969U CN200820106796U CN201229465Y CN 201229465 Y CN201229465 Y CN 201229465Y CN U2008201067969 U CNU2008201067969 U CN U2008201067969U CN 200820106796 U CN200820106796 U CN 200820106796U CN 201229465 Y CN201229465 Y CN 201229465Y
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Abstract
The utility model relates to dual-surface photoactive color paper, which comprises a support, a photoactive layer and a protecting layer, wherein a light blocking layer and an insulating layer are arranged between the support and the photoactive layer, the insulating layer is located between light blocking layer and the photoactive layer, and a second light blocking layer, a second insulating layer, a second photoactive layer and a second protecting layer which are symmetrically arranged with the light blocking layer, the insulating layer and the photoactive layer and the protecting layer are arranged on the other surface of the support. The dual-surface photoactive silver halide color paper which is provided by the utility model has rich color, wide color range, rich image level, high definition, high efficiency and low cost.
Description
Technical field
The utility model relates to a kind of photographic material, particularly a kind of can the two-sided colour paper that carries out sensitization.
Background technology
Traditional single face light sensation colour photographic paper can only simultaneously expose at printing paper, forms the single face image, and reverse side does not have image.Can only be contained in photo frame or photograph album the inside single face like this and appreciate, can't enlarge the usable range of printing paper as image-carrier.And reduced the utilization factor of support, increased manufacturing cost.In recent years, the printed on both sides of numeral short run is a dark horse, year market capacity enlarges rapidly, based on digital printed and digital short run printed on both sides inkjet printing, can on limited flat carrier, bring the consumer double graph text information, be widely used in aspects such as business card, personalized desk calendar, menu, auction room's sample volume, hotel sample board, invitation card, work card, trade promotion promotional pamphlet, develop and print industry for traditional silver salt and bring tremendous loss and stern challenge.The printed on both sides of numeral short run has improved efficient to a certain extent, has satisfied the demand of consumer's personalization, but still has existed color few, and colour gamut is narrow, and image does not have level, poor definition, and the delivery cycle is long, the problem that cost is high relatively.
The patent No. is that the Chinese utility model patent of ZL200520023024.5 discloses a kind of laser film processor of double-sided exposure and the double-sided light sensitive paper of use thereof, its exposing unit is provided with the laser explosure device that 2 symmetries are installed in the both sides up and down of exposure region, the laser explosure device carries out exposure image respectively to the duplex paper two sides under the sweep signal control of circuit control unit output, printing paper is finished through the flushing unit and is enlarged and print, thereby realizes double-face imaging.The duplex paper of describing in this patent comprises paper substrate, first photographic layer and first protective seam; it adopts the colour paper manufacturing technology of generally acknowledging to be symmetrical arranged second photographic layer and second protective seam at the another side of paper substrate; owing to adopt the two sides exposure; photographic property to product has a negative impact easily, descends as Fog density rising, light sensitivity.
Summary of the invention
Technical problem to be solved in the utility model is: overcome the defective of above-mentioned prior art, a kind of rich color is provided, colour gamut is wide, and image level is abundant, sharpness height, efficient height, the double-sided light sensitive silver-halide color printing paper that cost is low.
For addressing the above problem, the technical scheme that the utility model is taked is:
A kind of double-face light sensation colour photographic paper, it comprises support, photographic layer and protective seam, wherein, is provided with shading layer and barrier layer between support and photographic layer, described barrier layer is between shading layer and photographic layer; Be provided with second shading layer, second barrier layer, second photographic layer and second protective seam with above-mentioned shading layer, barrier layer, photographic layer and protective seam symmetric arrangement at the another side of support.
Above-mentioned double-face light sensation colour photographic paper, the described barrier layer and second barrier layer are hydrophilic gelatin layers, thickness is 0.5～5 μ m.
Above-mentioned double-face light sensation colour photographic paper, the described shading layer and second shading layer are hydrophilic gelatin layers, thickness is 0.5～5 μ m.
Above-mentioned double-face light sensation colour photographic paper, the reflection density of the described shading layer and second shading layer is 0.10～3.00.
Above-mentioned double-face light sensation colour photographic paper, described photographic layer is formed after respectively three layers of silver halide of three kinds of coloured light sensitization of red, green, blue and corresponding colour coupler evenly being coated with.
When traditional single face printing paper exposed, light was through on the paper substrate that reaches white behind the emulsion layer, and wherein a part of light sees through paper substrate, and another part light is the reflected back emulsion layer again, thereby has improved the photosensitive property of product.Because double-sided light sensitive silver-halide color printing paper two sides all scribbles emulsion, during the single face exposure, the part light that sees through paper substrate causes the emulsion sensitization of another side, form interference images, negative effect such as the Fog density that the photographic property of product is produced rises, light sensitivity descends, therefore, must eliminate the part light that sees through paper substrate.For addressing the above problem, contain shading layer in the silver-halide color printing paper of the double-sided light sensitive that the utility model provides, its effect is to absorb the light that sees through paper substrate, prevents unexposed emulsion side photosensitive imaging.Described shading layer is the hydrophilic gelatin layer that contains extinction material, anti-pollutant, stabilizing agent.Extinction material wherein can be but be not limited only in collargol, anti-halo dye and the carbon black one or more that this extinction material can come off fully, does not influence the whiteness of product in the development process.
The thickness of shading layer has determined what of amount of extinction material to a certain extent, extinction material is absorbing through in the light of paper substrate, also absorbed the light that part should the reflected back emulsion layer, the easy like this exposure deficiency that causes reduces the photographic property of product.Therefore, the thickness that needs the suitable shading layer of screening is guaranteeing to absorb the light that sees through paper substrate, when avoiding another emulsion side sensitization interference images to occur, reduce absorption to light that should the reflected back emulsion layer as far as possible, reduce to the product photographic property negative effect.The thickness of shading layer of the present utility model is 0.5～5 μ m, but is not limited thereto.
The resistance light action of shading layer mainly is to realize by extinction material, same consumption, different extinctions may produce different reflection densities, so the reflection density of extinction material determined the extinction effect that shading layer is final, and it is defined as the logarithm of incident light quantity and reflection light quantity ratio.Reflection density described in the utility model is 0.10～3.00,
In the preparation process of shading layer, may produce residual development oxidation product, this material is gone here and there layer easily to adjacent photographic layer, with the colour coupler generation coupling reaction in the photographic layer, form unnecessary color, cause the photographic fog of product to rise, therefore need between shading layer and photographic layer, increase by a barrier layer, described barrier layer is the hydrophilic gelatin layer that contains anti-pollutant, by the thickness of adjustment gelatin and the consumption of antistain agent, reduce the content of development oxidation product, prevent residual development oxidation product or anti-halo dye string layer.Hydrophilic gelatin coating is too thin, is not enough to stop residual development oxidation product or anti-halo dye string layer, seals in adjacent emulsion layer easily, causes the rising of photographic fog or the reduction of photographic property.Hydrophilic gelatin coating is too thick, and the perviousness of influence processing soup causes collargol or anti-halo dye not to come off fully, causes the minimum density of product to rise, and influences the whiteness of product.The thickness of barrier layer of the present utility model is 0.5～5 μ m, but is not limited thereto.
Photographic layer described in the utility model by respectively to three layers of silver halide of three kinds of coloured light sensitization of red, green, blue and corresponding colour coupler evenly coating form.Described photographic layer and protective seam form by the general manufacturing technology manufacturing of known colour paper.
Support described in the utility model is known colour paper paper substrate, no specific (special) requirements.
The double-sided light sensitive silver-halide color printing paper that the utility model provides prepares by following method:
At first prepare the shading layer that contains extinction material, photographic gelatin and antistain agent, the barrier layer that contains gelatin and antistain agent, preparing redgreenblue photographic layer and protective seam respectively according to the known manufacturing technology of colour paper.Adopt the extrusion coated mode, earlier shading layer is uniformly coated on a side of the support of two-sided bottom, again barrier layer is uniformly coated on after the condensation drying on the print that is coated with shading layer, again three color sensation photospheres and protective seam once is uniformly coated on the print that has scribbled shading layer and barrier layer after the condensation drying; After the condensation drying was finished, equally the opposite side at the support of two-sided bottom evenly was coated with shading layer, barrier layer, photographic layer and protective seam successively according to identical method, obtains double-sided light sensitive silver-halide color printing paper print after the condensation drying.
Compared with prior art, the double-sided light sensitive silver-halide color printing paper rich color that the utility model provides, colour gamut is wide, and image level is abundant, the sharpness height, the efficient height, cost is low.
Description of drawings
Fig. 1 is the utility model structural representation.
Each label is among the figure: support 1, shading layer 2, barrier layer 3, photographic layer 4, protective seam 5, the second shading layers 6, the second barrier layers 7, the second photographic layers 8, the second protective seams 9.
Embodiment
The utility model is described in further detail below by specific embodiment.
Embodiment 1
Preparation contains the shading layer of extinction material, photographic gelatin and antistain agent and contains gelatin and the barrier layer of antistain agent, adjust coating weight, use the extrusion coated mode, earlier shading layer is uniformly coated on the support, it is 0.5 μ m that the thickness of minusing test shading layer is adopted in dry back, and density is 0.10; Barrier layer is uniformly coated on the print that is coated with shading layer, it is 0.5 μ m that the thickness of minusing test barrier layer is adopted in dry back again.Adopt known colour paper technology of preparing at last, photographic layer and protective layer used extrusion coating machine are uniformly coated on the print that scribbles shading layer and barrier layer; After finishing equally at another side according to identical method coating shading layer, barrier layer, photographic layer and protective seam, the thickness that obtains shading layer is that 0.5 μ m, density are 0.10, barrier layer thickness is the duplex paper print of 0.5 μ m.
Preparation contains the shading layer of extinction material, photographic gelatin and antistain agent and contains gelatin and the barrier layer of antistain agent, adjust coating weight, use the extrusion coated mode, earlier shading layer is uniformly coated on the support, it is 3 μ m that the thickness of minusing test shading layer is adopted in dry back, and density is 1.50; Barrier layer is uniformly coated on the print that is coated with shading layer, it is 3 μ m that the thickness of minusing test barrier layer is adopted in dry back again.Adopt known colour paper technology of preparing at last, photographic layer and protective layer used extrusion coating machine are uniformly coated on the print that scribbles shading layer and barrier layer; After finishing equally at another side according to identical method coating shading layer, barrier layer, photographic layer and protective seam, the thickness that obtains shading layer is that 3 μ m, density are 1.50, barrier layer thickness is the duplex paper print of 3 μ m.
Preparation contains the shading layer of extinction material, photographic gelatin and antistain agent and contains gelatin and the barrier layer of antistain agent, adjust coating weight, use the extrusion coated mode, earlier shading layer is uniformly coated on the support, it is 5 μ m that the thickness of minusing test shading layer is adopted in dry back, and density is 3.0; Barrier layer is uniformly coated on the print that is coated with shading layer, it is 5 μ m that the thickness of minusing test barrier layer is adopted in dry back again.Adopt known colour paper technology of preparing at last, photographic layer and protective layer used extrusion coating machine are uniformly coated on the print that scribbles shading layer and barrier layer; After finishing equally at another side according to identical method coating shading layer, barrier layer, photographic layer and protective seam, the thickness that obtains shading layer is that 5 μ m, density are 3.00, barrier layer thickness is the duplex paper print of 5 μ m.
Claims (5)
1. double-face light sensation colour photographic paper, comprise support (1), photographic layer (4), protective seam (5), it is characterized in that: be provided with shading layer (2) and barrier layer (3) between support (1) and photographic layer (4), described barrier layer (3) is positioned between shading layer (2) and the photographic layer (4); Be provided with second shading layer (6), second barrier layer (7), second photographic layer (8) and second protective seam (9) with above-mentioned each layer symmetric arrangement at the another side of support (1).
2. double-face light sensation colour photographic paper according to claim 1 is characterized in that: the described barrier layer and second barrier layer are hydrophilic gelatin layers, and thickness is 0.5～5 μ m.
3. double-face light sensation colour photographic paper according to claim 2 is characterized in that: the described shading layer and second shading layer are hydrophilic gelatin layers, and thickness is 0.5～5 μ m.
4. double-face light sensation colour photographic paper according to claim 3 is characterized in that: the reflection density of the described shading layer and second shading layer is 0.10～3.00.
5. double-face light sensation colour photographic paper according to claim 4 is characterized in that: the described photographic layer and second photographic layer are formed by respectively three layers of silver halide of three kinds of coloured light sensitization of red, green, blue and corresponding colour coupler evenly being coated with the back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201067969U CN201229465Y (en) | 2008-12-02 | 2008-12-02 | Double face sensitizing color photographic paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201067969U CN201229465Y (en) | 2008-12-02 | 2008-12-02 | Double face sensitizing color photographic paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201229465Y true CN201229465Y (en) | 2009-04-29 |
Family
ID=40634411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201067969U Expired - Lifetime CN201229465Y (en) | 2008-12-02 | 2008-12-02 | Double face sensitizing color photographic paper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201229465Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010063212A1 (en) * | 2008-12-02 | 2010-06-10 | 中国乐凯胶片集团公司 | Double-faced photosensitive color photographic paper |
-
2008
- 2008-12-02 CN CNU2008201067969U patent/CN201229465Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010063212A1 (en) * | 2008-12-02 | 2010-06-10 | 中国乐凯胶片集团公司 | Double-faced photosensitive color photographic paper |
| US8409791B2 (en) | 2008-12-02 | 2013-04-02 | China Lucky Film Group Corporation | Double-sided color photographic paper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA LUCKY GROUP CORPORATION Free format text: FORMER NAME: CHINESE LEKAI FILM GROUP CO |
|
| CP03 | Change of name, title or address |
Address after: South Street, new urban lucky 071054 Hebei province Baoding City No. 6 Patentee after: China Lucky Group Corporation Patentee after: Lucky Film Co., Ltd. Address before: 071054 Kennan street, Hebei, Baoding, No. 6 Patentee before: Chinese Lekai Film Group Co Patentee before: Lucky Film Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090429 |
|
| CX01 | Expiry of patent term |