CN205581512U - Silver halide hair side film for flexographic plate - Google Patents
Silver halide hair side film for flexographic plate Download PDFInfo
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- CN205581512U CN205581512U CN201521120080.0U CN201521120080U CN205581512U CN 205581512 U CN205581512 U CN 205581512U CN 201521120080 U CN201521120080 U CN 201521120080U CN 205581512 U CN205581512 U CN 205581512U
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- silver halide
- flexographic plate
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- sensitization
- plate material
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Abstract
The utility model provides a silver halide hair side film for flexographic plate from top to bottom comprises silver halide emulsion cuticula layer, silver halide emulsion layer, silver halide bottom, substrate layer, antihalation undercoat, antihalation layer, lightproof dizzy cuticula layer in proper order, silver halide emulsion protects membranous layer surface has the sand mesh that is formed by the hair side agent, and sand mesh scope is: 0.15 mu m <= ra <= 1 mu m, 0.5 mu m <= rz <= 4 mu m, 2 mu m <= rt <= 5 mu m. The film that this kind of surface has certain roughness covers when exposing to sensitization flexographic plate material on sensitization flexographic plate material, can form the gap between film and the sensitization flexographic plate material, and easily evacuation makes sensitization flexographic plate material and covers between the piece not can the bubble formation, can the effectual image quality that improves sensitization flexographic plate material, and can shorten sensitization flexographic plate material moreover greatly and expose the used time, be applicable to the sensitization flexographic plate material of various thickness.
Description
Technical field
This utility model belongs to printing technology, is specifically related to a kind of photosensitive flexographic plate silver halide hair side film.
Background technology
Flexographic printing is to apply now one of printing technology the most widely, along with the expansion in photosensitive flexible plate market, also will increase substantially with the market share of photosensitive flexible plate matching used silver halide hair side film.
In photosensitive flexible plate exposure process, need to use film to carry out image transfer.Use common printed film that photosensitive flexible plate exposure process can be made the longest, and between photosensitive flexible plate and common printed film, easily form bubble, affect the site reducing property of image, cause site to obscure and damage the most completely, thus affect printing quality.Although by the method spreading prickly-heat powder (talcum powder) on photosensitive flexible plate, these disadvantages can be alleviated, make common printed film can be applicable to the photosensitive flexible plate of 394mm, but inapplicable for thinner photosensitive flexible plate, and this method uses and pretty troublesome also can pollute.
Utility model content
The purpose of this utility model is that provides a kind of silver halide hair side film used for photosensitive flexographic plate for solving the deficiencies in the prior art, this surface has the film of certain roughness and covers when being exposed photosensitive flexible plate on photosensitive flexible plate, gap can be formed between film and photosensitive flexible plate, it is prone to evacuation, make to form bubble between photosensitive flexible plate and cover, can effectively improve the image quality of photosensitive flexible plate, and the time used by photosensitive flexible plate exposure can be greatly shortened, it is applicable to the photosensitive flexible plate of various thickness.In addition, this utility model can be also used for lithographic arts and substitutes common printed film and printing and dyeing film.
The purpose of this utility model realizes with following technical proposals:
A kind of flexographic plate silver halide hair side film, it is made up of silver emulsion cuticular layer, silver halide emulsion layer, silver halide bottom, substrate layer, antihalation undercoat, antihalation layer, antihalation cuticular layer the most successively, there is the Grains formed by matting agent on described silver emulsion cuticular layer surface, Grains scope is: 0.15 μm≤Ra≤1 μm, 0.5 μm≤Rz≤4 μm, 2 μm≤Rt≤5 μm.
Described Grains scope is: 0.5 μm≤Ra≤0.8 μm, 1 μm≤Rz≤3 μm, 3 μm≤Rt≤4 μm.
Described silver emulsion cuticular layer thickness is 2 ~ 5 μm
Described substrate layer is PET sheet base, and thickness is 75 ~ 200 microns.
The beneficial effects of the utility model are: flexographic plate silver halide hair side film is reasonable in design, simple in construction, photographic property are excellent, easily realize industrialized production, and owing to its surface has certain degree of roughness, in photosensitive flexible plate exposure lithography process, use energy evacuation very well, substantially increase the site reproducibility of photosensitive flexible plate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Diagram: 1. silver emulsion cuticular layer, 2. silver halide emulsion layer, 3. bottom, 4. base material, 5. antiblocking layers, 6. antihalation layer, 7. antihalation cuticular layer composition.
Detailed description of the invention
Embodiment
1
The flexographic plate silver halide hair side film that this utility model provides, as it is shown in figure 1, be made up of silver emulsion cuticular layer 1, silver halide emulsion layer 2, silver halide bottom 3, substrate layer 4, antihalation undercoat 5, antihalation layer 6, antihalation cuticular layer 7 the most successively；There is the Grains formed by irregular matting agent on silver emulsion cuticular layer surface, and Grains i.e. range of surface roughness is: 0.15 μm≤Ra≤1 μm, 0.5 μm≤Rz≤4 μm, 2 μm≤Rt≤5 μm；Silver emulsion cuticular layer thickness is 2 ~ 5 μm；Matting agent granular size is 6 ~ 12 μm；Described substrate layer is PET sheet base, and thickness is 75 ~ 200 microns；Preferably Grains scope is: 0.5 μm≤Ra≤0.8 μm, 1 μm≤Rz≤3 μm, 3 μm≤Rt≤4 μm；Further preferably Ra is 0.6 μm, and Rz is 2 μm, and Rt is 4 μm；Silver emulsion cuticular layer thickness is 4 μm；Matting agent granular size is 8 μm.
Substrate layer 4 is carried out corona or ion processing, makes substrate layer have hydrophilic.The substrate layer 4 handled well is delivered to apparatus for coating and upper and lower surface is carried out silver halide bottom 3 and antihalation undercoat 5 is coated with, coated on one side antihalation layer 6 and antihalation cuticular layer 7 after drying, another side coating silver halide emulsion layer 2 and silver emulsion cuticular layer 1, again dries, cuts, finished product.
Flexographic plate material plate-making is carried out after flexographic plate silver halide hair side film rinsing processing prepared by this utility model, owing to its surface has certain roughness, in flexible plate exposure process, gap together with being formed between flexible plate, it is prone to evacuation, will not form bubble between silver halide hair side film and flexible plate, prepared flexible plate site is Well-recovered.
Claims (4)
1. a flexographic plate silver halide hair side film, it is made up of silver emulsion cuticular layer, silver halide emulsion layer, silver halide bottom, substrate layer, antihalation undercoat, antihalation layer, antihalation cuticular layer the most successively, it is characterized in that: there is the Grains formed by matting agent on described silver emulsion cuticular layer surface, Grains scope is: 0.15 μm≤Ra≤1 μm, 0.5 μm≤Rz≤4 μm, 2 μm≤Rt≤5 μm.
2. flexographic plate silver halide hair side film as claimed in claim 1, it is characterised in that: described Grains scope is: 0.5 μm≤Ra≤0.8 μm, 1 μm≤Rz≤3 μm, 3 μm≤Rt≤4 μm.
3. flexographic plate silver halide hair side film as claimed in claim 1, it is characterised in that: substrate layer is PET sheet base, and thickness is 75 ~ 200 microns.
4. flexographic plate silver halide hair side film as claimed in claim 1, it is characterised in that: described silver emulsion cuticular layer thickness is 2 ~ 5 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521120080.0U CN205581512U (en) | 2015-12-30 | 2015-12-30 | Silver halide hair side film for flexographic plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521120080.0U CN205581512U (en) | 2015-12-30 | 2015-12-30 | Silver halide hair side film for flexographic plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205581512U true CN205581512U (en) | 2016-09-14 |
Family
ID=56881603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521120080.0U Active CN205581512U (en) | 2015-12-30 | 2015-12-30 | Silver halide hair side film for flexographic plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205581512U (en) |
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2015
- 2015-12-30 CN CN201521120080.0U patent/CN205581512U/en active Active
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |