CN105589294A - Matted silver halide film for flexographic plates - Google Patents
Matted silver halide film for flexographic plates Download PDFInfo
- Publication number
- CN105589294A CN105589294A CN201511011492.5A CN201511011492A CN105589294A CN 105589294 A CN105589294 A CN 105589294A CN 201511011492 A CN201511011492 A CN 201511011492A CN 105589294 A CN105589294 A CN 105589294A
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- silver halide
- layer
- silver
- hair side
- emulsion
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Laminated Bodies (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
- Materials For Photolithography (AREA)
Abstract
A matted silver halide film for flexographic plates sequentially comprises a silver halide emulsion protection film layer, a silver halide emulsion layer, a silver halide bottom layer, a base material layer, an anti-halation bottom layer, an anti-halation layer and an anti-halation protection film layer from top to bottom, wherein the silver halide emulsion protection film layer comprises materials in percentage by mass as follows: 3%-7% of a matting agent, 80%-87% of gelatin, 1.4%-2% of a leveling agent, 3.1%-3.5% of a hardener and the balance of water. The matted silver halide film for the flexographic plates is reasonable in design, simple in structure, excellent in photographing performance and more prone to industrial production, the formula of the surface silver halide emulsion protection film layer is improved, so that the surface roughness can be increased, a better protection film system can be formed, the protection film layer has certain hardness, and the matting agent cannot sink to the emulsion layer and fall off.
Description
Technical field
The invention belongs to printing technology, be specifically related to a kind of sensitization flexographic plate silver halide hair side film.
Background technology
Flexographic printing is to apply now one of printing technology more and more widely, along with the expansion in the flexible plate of sensitization marketAlso will increase substantially with the market share of the matching used silver halide hair side of the flexible plate of sensitization film greatly.
In the flexible plate exposure process of sensitization, need to use film to carry out image transfer. Use common printed film meetingMake the flexible plate exposure process of sensitization length consuming time, and easily between the flexible plate of sensitization and common printed film, form bubble, shadowRing the site reducing property of image, cause the fuzzy damage even completely in site, thereby affect printing quality. Although pass through in sensitizationThe method of spreading prickly-heat powder (talcum powder) on flexible plate, can alleviate these disadvantages, and common printed film can be applicable toThe flexible plate of sensitization of 394mm, but inapplicable for the flexible plate of thinner sensitization, and also this method uses very numbBe tired of and also can pollute.
Summary of the invention
Object of the present invention be just for solve the deficiencies in the prior art provide a kind of for sensitization flexographic plate useSilver halide hair side film.
The object of the invention is to realize with following technical proposals:
Silver halide hair side film for a kind of flexographic plate, from top to bottom successively by silver emulsion cuticular layer, silver halide emulsion layer, halogenChange silver-colored bottom, substrate layer, antihalation undercoat, antihalation layer, antihalation cuticular layer composition, described silver emulsion cuticular layer by withThe material composition of lower quality percentage composition: matting agent 3 ~ 7%, gelatin 80 ~ 87%, levelling agent 1.4% ~ 2%, hardener 3.1%-3.5%, all the other are water.
Described matting agent is irregular matting agent.
Silver emulsion cuticular layer surface forms Grains by matting agent.
Described silver emulsion cuticular layer thickness is 2 ~ 5 μ m; Matting agent granular size is 6 ~ 12 μ m.
Described matting agent is inorganic silicon class matting agent.
Described levelling agent be a kind of in 2-sodium sulfonate-succinic acid di-isooctyl and 2-sodium sulfonate-succinic acid dihexyl orTwo kinds of mixing.
Described hardener is the chloro-6-of 2,4-bis-oxo-1.3, the two ethernamine base ethane of 5-triazine sodium and 1,2-a kind of orTwo kinds of mixing.
In silver emulsion cuticular layer, the coating weight of matting agent is 0.1 ~ 0.5g/m2.
Its fog density is 0.05 ~ 0.07.
Silver halide hair side film for flexographic plate provided by the invention, reasonable in design, simple in structure, photographic property is good, the utmost pointEasily realize suitability for industrialized production, improved by effects on surface silver emulsion cuticular layer formula, make it both can increase rough surfaceDegree, forms again good cuticula system, makes cuticular layer have certain hardness, and matting agent had not only been unlikely to sink to emulsion layer but also unlikelyCome off in causing; The film that this surface has a certain roughness covers on the flexible plate of sensitization the flexible plate of sensitization is carried outWhen exposure, between the flexible plate of film and sensitization, can form gap, be easy to vacuumize, make the flexible plate of sensitization and cover between sheet notCan form bubble, greatly improve the site reproducibility of the flexible plate of sensitization, the imaging that can effectively improve the flexible plate of sensitizationQuality, and can greatly shorten the flexible plate of sensitization and expose the time used, be applicable to the flexible plate of sensitization of various thickness. RemoveOutside this, the present invention can also be used for lithographic printing field and substitute common printed film and printing and dyeing film.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Diagram: 1. silver emulsion cuticular layer, 2. silver halide emulsion layer, 3. bottom, 4. base material, 5. antiblocking layers, 6. antihalationLayer, 7. antihalation cuticular layer composition.
Fig. 2 uses silver halide hair side film of the present invention to carry out after flexible plate plate-making, the flexible plate net of sensitization obtainingSituation about observing under some magnifying glass.
Fig. 3 is for using common film to carry out after flexible plate plate-making, and the flexible plate of the sensitization site obtaining is under magnifying glassThe photo of observing.
Detailed description of the invention
Embodiment 1
Flexographic plate silver halide hair side film provided by the invention, as shown in Figure 1, from top to bottom successively by silver emulsion cuticular layer1, silver halide emulsion layer 2, silver halide bottom 3, substrate layer 4, antihalation undercoat 5, antihalation layer 6, antihalation cuticular layer 7 form;There is the Grains being formed by irregular matting agent on silver emulsion cuticular layer surface, and Grains scope is: 0.15 μ m≤Ra≤1 μ m, 0.5μ m≤Rz≤4 μ m, 2 μ m≤Rt≤5 μ m; Silver emulsion cuticular layer thickness is 2 ~ 5 μ m; Main matting agent granular size is 6 ~ 12 μM. Silver emulsion cuticular layer is made up of the material of following quality percentage composition: matting agent 3 ~ 7%, gelatin 80 ~ 87%, levelling agent1.4% ~ 2%, hardener 3.1%-3.5%, all the other are water; Matting agent can be selected inorganic silicon class matting agent; Levelling agent can be selected 2-sulphurOne or both in acid sodium-succinic acid di-isooctyl and 2-sodium sulfonate-succinic acid dihexyl mix, and hardener can be selected 2,4-Two chloro-6-oxo-1.3, two one or both mixing of ethernamine base ethane of 5-triazine sodium and 1,2-; Matting agent can increase surfaceRoughness; Gelatin not only can be protected scattered matting agent, prevents scattered matting agent gathering, in cuticula is mixed, also risesThe effect of film forming matter; Levelling agent, by the adjustment of the use amount to levelling agent, makes cuticular layer coating fluid even in coating processStable spreads into above silver halide emulsion layer; Hardener and gelatin cross-linking reaction form network structure, make cuticular layer have oneFixed hardness, is difficult for being scratched. The hair side effect difference that the matting agent of different sizes produces, due to the characteristic of soft version, to hair sideThe geomery size of agent has special requirement, selects size most suitable matting agent, make film not only favourable vacuumize but alsoDo not occur that excessive space causes image deviation. Too large matting agent can sink to emulsion simultaneously, causes film image disadvantage. Matting agentShape difference, they are different from film binding strength, select irregularly shaped matting agent to make it prepare, apply each ring at filmSave particularly washing processing link and can not come off, impact effect. Cuticular layer formula requires cuticula few film camera that affects of trying one's bestPerformance improves physical film performance simultaneously. In cuticula, matting agent consumption and cuticula painting amount can affect film performance. Hair side in cuticulaAgent consumption will make hair side effect just in time be suitable for soft version, and how many painting amounts just in time makes matting agent not only be unlikely to sink to emulsion layer but also notCome off as for causing, simultaneously the least possible film camera performance that affects again.
Select above-mentioned raw materials and proportioning can guarantee that silver emulsion cuticular layer roughness meets the requirements, and can not cause because ofMatting agent particle, compared with problem large and that appearance is easily sunk, makes silver emulsion cuticular layer of the present invention play good effect.
Described substrate layer is PET sheet base, and thickness is 75 ~ 200 microns.
Substrate layer 4 is carried out to corona or ion processing, make substrate layer there is hydrophily. The substrate layer of handling well 4 is sentTo apparatus for coating, upper and lower surface is carried out to silver halide bottom 3 and antihalation undercoat 5 is coated with, coated on one side antihalation layer 6 after dryingWith antihalation cuticular layer 7, another side coating silver halide emulsion layer 2 and silver emulsion cuticular layer 1 of the present invention, silver emulsionIn cuticular layer, the coating weight of matting agent is 0.1 ~ 0.5g/m2, again to dry, cut, finished product, its fog density is 0.05 ~ 0.07.
Common printed film comprises silver emulsion cuticular layer 1, silver halide emulsion layer 2, silver halide bottom 3, base material equallyLayer 4, antihalation undercoat 5, antihalation layer 6, antihalation cuticular layer 7; The composition base of silver halide bottom and antihalation undercoat coating fluidThis is identical, by water-based resin, gelatin, levelling agent etc. are configured and formed according to a certain percentage; Antihalation layer coating fluid by gelatin,Levelling agent, anti-halo dye etc. are prepared from by a certain percentage; Silver halide emulsion layer is mainly by use sodium chloride and KBr, nitreThe basic emulsion of silver halide that acid silver, gelatin, photosensitizing dye etc. are prepared, then by basic silver halide emulsion, gelatin, antifoggant,Hardener, levelling agent are formulated according to a certain percentage; Silver emulsion cuticular layer and antihalation cuticular layer mainly contain gelatin, heavily fortified pointFilm, levelling agent configure and form by a certain percentage. Silver halide print film is prepared from by following production technology, first will configureGood silver halide bottom and antihalation undercoat coating fluid are applied to respectively the two sides of PET sheet base, dry, rolling; To be coated with the endThe PET sheet base of layer is coated with successively antihalation coating fluid and antihalation cuticula coating fluid, dry, rolling on antihalation undercoat.Finally on silver halide bottom, be coated with successively silver halide emulsion layer and silver emulsion cuticular layer, dry, rolling, make halogen againChange silver-colored silver film. Common printed film after washing processing is carried out to flexible plate plate-making, due to common printed film surfaceMore smooth, in flexible plate plate-making exposure process, common printed film is only adsorbed on flexible plate, be difficult for vacuumizing,Can between common printed film and flexible plate, form bubble, affect copying of image, cause the flexible plate site makingWell damage, as Fig. 2.
Flexographic plate silver halide hair side film prepared by the present invention is except silver emulsion cuticular layer 1 and above-mentioned common printed glueOutside sheet difference, all the other are all identical, carry out the plate-making of flexographic plate material after washing processing, because its surface has certain roughness,In flexible plate exposure process, and gap together with forming between flexible plate, be easy to vacuumize, can be at silver halide hair side glueBetween sheet and flexible plate, form bubble, the flexible plate site making is Well-recovered, as Fig. 3.
Embodiment 2
Flexographic plate silver halide hair side film provided by the invention, as shown in Figure 1, from top to bottom successively by silver emulsion cuticular layer1, silver halide emulsion layer 2, silver halide bottom 3, PET substrate layer, thickness is 100 micron 4, antihalation undercoat 5, antihalation layer 6, anti-Halation cuticular layer 7 forms; There is the Grains being formed by irregular matting agent on silver emulsion cuticular layer surface, and Grains is: Ra is0.3 μ m, Rz is 2 μ m, Rt is 3 μ m; Silver emulsion cuticular layer thickness is 2.2 μ m; Matting agent granular size is 6 μ m. HalogenationSilver emulsion cuticular layer is made up of the material of following quality percentage composition: matting agent 4.5%, and gelatin 87%, levelling agent is 2-sulfonic acidSodium-succinic acid di-isooctyl 1.6%, hardener is by the chloro-6-of 2,4-bis-oxo-1.3, the two ethene acyls of 5-triazine sodium 1.4% and 1,2-Ethylamine 2.1% forms, and all the other are water; In silver emulsion cuticular layer, the coating weight of matting agent is 0.2g/m2, all the other are with realExecute example 1.
In embodiment 3-21, silver emulsion cuticular layer performance and formula are in Table 1-3, and all the other are with embodiment 2.
Claims (9)
1. a silver halide hair side film for flexographic plate, from top to bottom successively by silver emulsion cuticular layer, silver halide emulsion layer,Silver halide bottom, substrate layer, antihalation undercoat, antihalation layer, antihalation cuticular layer composition, is characterized in that: described silver halideEmulsion cuticular layer is made up of the material of following quality percentage composition: matting agent 3 ~ 7%, and gelatin 80 ~ 87%, levelling agent 1.4% ~ 2%,Hardener 3.1%-3.5%, all the other are water.
2. silver halide hair side film for flexographic plate as claimed in claim 1, is characterized in that: described matting agent is irregular hairFace agent.
3. silver halide hair side film for flexographic plate as claimed in claim 1, is characterized in that: silver emulsion cuticular layer surfaceForm Grains by matting agent.
4. silver halide hair side film for flexographic plate as claimed in claim 1, is characterized in that: described silver emulsion cuticular layerThickness is 2 ~ 5 μ m; Matting agent granular size is 6 ~ 12 μ m.
5. silver halide hair side film for flexographic plate as claimed in claim 1, is characterized in that: described matting agent is inorganic silicon classMatting agent.
6. silver halide hair side film for flexographic plate as claimed in claim 1, is characterized in that: described levelling agent is 2-sulfonic acidOne or both mixing in sodium-succinic acid di-isooctyl and 2-sodium sulfonate-succinic acid dihexyl.
7. silver halide hair side film for flexographic plate as claimed in claim 1, is characterized in that: described hardener is 2,4-bis-Chloro-6-oxo-1.3, two one or both mixing of ethernamine base ethane of 5-triazine sodium and 1,2-.
8. silver halide hair side film for the flexographic plate as described in claim 1 ~ 7 any one, is characterized in that: silver emulsion protectsIn rete, the coating weight of matting agent is 0.1 ~ 0.5g/m2。
9. silver halide hair side film for the flexographic plate as described in claim 1 ~ 7 any one, is characterized in that: its fog density is0.05~0.07。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511011492.5A CN105589294B (en) | 2015-12-30 | 2015-12-30 | Silver halide rough surface film for flexographic plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511011492.5A CN105589294B (en) | 2015-12-30 | 2015-12-30 | Silver halide rough surface film for flexographic plate |
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| Publication Number | Publication Date |
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| CN105589294A true CN105589294A (en) | 2016-05-18 |
| CN105589294B CN105589294B (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201511011492.5A Active CN105589294B (en) | 2015-12-30 | 2015-12-30 | Silver halide rough surface film for flexographic plate |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61147248A (en) * | 1984-12-20 | 1986-07-04 | Konishiroku Photo Ind Co Ltd | Silver halide photographic sensitive material |
| CN1164048A (en) * | 1996-04-30 | 1997-11-05 | 富士胶片公司 | Silver halide photographic material |
| US6180325B1 (en) * | 1999-06-23 | 2001-01-30 | Creo Srl | Method for masking and exposing photosensitive printing plates |
| JP2001290239A (en) * | 2000-04-06 | 2001-10-19 | Konica Corp | Method for producing heat developable photographic sensitive material |
| CN1354390A (en) * | 2000-11-20 | 2002-06-19 | 富士写真胶片株式会社 | Silver halide colour photographic sensitive material and method for forming colour image |
| US20030129533A1 (en) * | 2001-12-14 | 2003-07-10 | Creo Products, Inc. | Photosensitive flexographic device with associated addressable mask |
| CN1749865A (en) * | 2004-09-13 | 2006-03-22 | 富士胶片株式会社 | Supprt for image-recording material and image-recording material |
-
2015
- 2015-12-30 CN CN201511011492.5A patent/CN105589294B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61147248A (en) * | 1984-12-20 | 1986-07-04 | Konishiroku Photo Ind Co Ltd | Silver halide photographic sensitive material |
| CN1164048A (en) * | 1996-04-30 | 1997-11-05 | 富士胶片公司 | Silver halide photographic material |
| US6180325B1 (en) * | 1999-06-23 | 2001-01-30 | Creo Srl | Method for masking and exposing photosensitive printing plates |
| JP2001290239A (en) * | 2000-04-06 | 2001-10-19 | Konica Corp | Method for producing heat developable photographic sensitive material |
| CN1354390A (en) * | 2000-11-20 | 2002-06-19 | 富士写真胶片株式会社 | Silver halide colour photographic sensitive material and method for forming colour image |
| US20030129533A1 (en) * | 2001-12-14 | 2003-07-10 | Creo Products, Inc. | Photosensitive flexographic device with associated addressable mask |
| CN1749865A (en) * | 2004-09-13 | 2006-03-22 | 富士胶片株式会社 | Supprt for image-recording material and image-recording material |
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| CN105589294B (en) | 2020-02-21 |
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