CN108107668A - Developer and preparation method thereof and developer solution - Google Patents
Developer and preparation method thereof and developer solution Download PDFInfo
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- CN108107668A CN108107668A CN201711440884.2A CN201711440884A CN108107668A CN 108107668 A CN108107668 A CN 108107668A CN 201711440884 A CN201711440884 A CN 201711440884A CN 108107668 A CN108107668 A CN 108107668A
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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
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
- G03C5/29—Development processes or agents therefor
- G03C5/30—Developers
- G03C5/3028—Heterocyclic compounds
- G03C5/3035—Heterocyclic compounds containing a diazole ring
-
- 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
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
- G03C5/29—Development processes or agents therefor
- G03C5/30—Developers
- G03C2005/3007—Ascorbic acid
-
- 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
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
- G03C5/29—Development processes or agents therefor
- G03C5/30—Developers
- G03C5/3028—Heterocyclic compounds
- G03C5/3035—Heterocyclic compounds containing a diazole ring
- G03C2005/3042—Phenidone and analogues
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Abstract
The present invention provides a kind of developer and preparation method thereof and developer solution, it is related to photographic chemistry technical field, developer includes Vitamin C acid compounds and phenidone, and the mass ratio of Vitamin C acid compounds and phenidone is (10 40)：1, it alleviates existing Mitouer and hydroquinone is toxic, operating personnel can be damaged, phenidone is single use the technical issues of color developing effect is bad although nontoxic, and developer provided by the invention passes through Vitamin C acid compounds and the mutual coordinated of phenidone, not only color developing effect is good, and it is nontoxic and pollution-free, human body will not be damaged, environment will not be polluted.
Description
Technical field
The present invention relates to photographic chemistry technical field, more particularly, to a kind of developer and preparation method thereof and developer solution.
Background technology
The developing process of film is a reduction process, and development is to utilize reduction ratio Ag/Ag+Electrode potential is more negative to be had
Silver ion reduction on the silver halide particle exposed is formed image by machine compound in alkaline medium into metallic silver.At present
Common developer is mainly made of Mitouer, hydroquinone and phenidone, but there is skin in Mitouer erosion, easily
Allergic inflammation is caused, hydroquinone toxicity is larger, and Long Term Contact can cause trichomadesis, and eye disease can be also caused when serious,
Phenidone does not damage skin although nontoxic, but during its exclusive use, obtained image density very little, almost either with or without using
Value with hydroquinone, it is necessary to be used cooperatively.Therefore, there is an urgent need for good, nontoxic nothings of developing a kind of color developing effect by those skilled in the art
The developer of pollution.
In view of this, it is special to propose the present invention.
The content of the invention
One of the objects of the present invention is to provide a kind of developers, have to alleviate existing Mitouer and hydroquinone
Toxicity can damage operating personnel, and phenidone is single use the technical issues of color developing effect is bad although nontoxic.
Developer provided by the invention, including Vitamin C acid compounds and phenidone, Vitamin C acid compounds and phenanthrene
The mass ratio of Buddhist nun's ketone is (40-10)：1；Preferably (15-20)：1.
Further, the Vitamin C acid compounds are selected from L-AA, L-AA sodium and arabo-ascorbic acid
At least one of sodium, it is preferable that Vitamin C acid compounds for L-AA and sodium isoascorbate composition, and two
The mass ratio of person is (1-2)：(1-2).
Further, the developer includes following component according to the mass fraction：Vitamin C acid compounds 10-20
Part, 0.5-1 parts of phenidone, 45-65 parts of antioxidant, 5-20 parts of buffer, 0.1-2 parts of antifoggant, 0.5-2 parts of complexing agent.
Further, the developer further includes 10-30 parts of 2,4- diaminophenols according to the mass fraction.
Further, the antioxidant is selected from anhydrous sulphite, anhydrous bisulfites, lays particular stress on sulphite or 2,
One kind in 4- di-tert-butylphenols is preferably anhydrous sulphite, more preferably anhydrous sodium sulfite.
Further, the buffer is selected from sodium hydroxide, potassium hydroxide, sodium carbonate, sodium acid carbonate, potassium carbonate and carbonic acid
Any one in hydrogen potassium is preferably the composition of sodium carbonate and sodium acid carbonate, and the mass ratio of the two is (1-4)：(1-2).
Further, the antifoggant is selected from 5- nitro benzos indazole, 6- nitrobenzimidazoles, potassium bromide, triazole
It is preferably potassium bromide at least one of with tetrazole.
Further, the complexing agent is selected from ethylenediamine tetra-acetic acid, five amine of diethylene, five acid, hexametaphosphate and citric acid
At least one of, it is preferably ethylenediamine tetra-acetic acid.
The second object of the present invention is to provide a kind of preparation method of developer, include the following steps：By ascorbic acid
Class compound, phenidone, optionally antioxidant, optionally buffer, optionally antifoggant, optionally complexing agent and optionally
2,4- diaminophenols be uniformly mixed to get to developer.
The third object of the present invention is to provide a kind of developer solution, including developer provided by the invention；
Preferably, the developer solution is dissolved in the water by the developer and is prepared.
Developer provided by the invention is imitated by Vitamin C acid compounds and the mutual coordinated of phenidone, not only colour developing
Fruit is good, and nontoxic and pollution-free, and human body will not be damaged, and will not pollute environment.
The preparation method of developer provided by the invention, it is simple for process, it is easy to operate, big industrial production can be suitable for.
Developer solution provided by the invention is prepared by using developer provided by the invention, and not only color developing effect is good,
And it is nontoxic and pollution-free, human body will not be damaged, environment will not be polluted.
Specific embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.It is not specified in embodiment specific
Condition person, the condition suggested according to normal condition or manufacturer carry out.Reagents or instruments used without specified manufacturer is
The conventional products that can be obtained by commercially available purchase.
According to an aspect of the present invention, the present invention provides a kind of developer, including Vitamin C acid compounds and phenanthrene
The mass ratio of Buddhist nun's ketone, Vitamin C acid compounds and phenidone is (10-40)：1；Preferably (15-20)：1.
In the typical but non-limiting embodiment of the present invention, the mass ratio of Vitamin C acid compounds and phenidone
For 10:1、12:1、15:1、18:1、20:1、22:1、25:1、28:1、30:1、32:1、35:1、38:1 or 40:1.
In the present invention, Vitamin C acid compounds are prepared by biological fermentation process, environmentally safe, will not be to behaviour
It is damaged as personnel.
Phenidone does not damage skin although nontoxic, but during its exclusive use, obtained image density very little, Ji Huyou
There is no use value.
Developer provided by the invention is imitated by Vitamin C acid compounds and the mutual coordinated of phenidone, not only colour developing
Fruit is good, and nontoxic and pollution-free, and human body will not be damaged, and will not pollute environment.
In present invention further optimization embodiment, it is anti-bad that Vitamin C acid compounds are selected from L-AA, L-
At least one of hematic acid sodium and sodium isoascorbate, it is preferable that Vitamin C acid compounds are L-AA and different anti-bad
The composition of hematic acid sodium sum, and the mass ratio of the two is (1-2)：(1-2).
Vitamin C acid compounds provided by the invention can develop the color, color developing effect is clear with non-Buddhist nun's ketone coordinated
Clear exquisiteness, especially when anti-ization blood acid compounds are the composition of L-AA and sodium isoascorbate, and the matter of the two
Amount is than being (1-2)：When (1-2), when carrying out coordinated with phenidone, color developing effect is more preferable.
In the preferred embodiment of the present invention, developer includes following component according to the mass fraction：Vitamin C
10-20 parts of acid compounds, 0.5-1 parts of phenidone, 45-65 parts of antioxidant, 5-20 parts of buffer, 0.1-2 parts of antifoggant,
0.5-2 parts of complexing agent.
In a preferred embodiment of the invention, the typical but non-limiting mass fraction of Vitamin C acid compounds is
10、10.5、11、11.5、12、12.5、13、13.5、14、14.5、15、15.5、16、16.5、17、17.5、18、18.5、19、
19.5 or 20 parts.
The typical but non-limiting mass fraction of phenidone is 0.5,0.52,0.55,0.58,0.6,0.62,0.65,
0.68th, 0.7,0.72,0.75,0.78,0.8,0.82,0.85,0.88,0.9,0.92,0.95,0.98 or 1 part.
The typical but non-limiting mass fraction of antioxidant is 45,46,47,48,49,50,51,52,53,54,55,
56th, 57,58,59,60,61,62,63,64 or 65 parts.
The typical but non-limiting mass fraction of buffer is 5,6,7,8,9,10,11,12,13,14,15,16,17,
18th, 19 or 20 parts.
The typical but non-limiting mass fraction of antifoggant is 0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,
0.9th, 1,1.1,1.2,1.3,1.4,1.5,1.6,1.7,1.8,1.9 or 2 part.
The typical but non-limiting mass fraction of complexing agent is 0.5,0.6,0.7,0.8,0.9,1,1.1,1.2,1.3,
1.4th, 1.5,1.6,1.7,1.8,1.9 or 2 parts.
Developer provided by the invention passes through Vitamin C acid compounds, phenidone, antioxidant, buffer, antifog
Agent and the coordinated of complexing agent, color developing effect is more preferable, and develop the color more longlasting stabilization.
In the preferred embodiment of the present invention, developer further includes 2,4- diaminophenols according to the mass fraction
10-30 parts.
By adding in 2,4- diaminophenols in a developer, it is made mutually to be cooperateed with other components, improves developer and exists
Stability during low temperature avoids it from having crystallization to be precipitated in low temperature.
In the preferred embodiment of the present invention, the typical but non-limiting mass fraction of 2,4- diaminophenols
For 10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29 or 30 parts.
In present invention further optimization embodiment, antioxidant is selected from anhydrous sulphite, anhydrous bisulfite
One kind in salt, weighting sulphite or 2,4- di-tert-butylphenol is preferably anhydrous sulphite, more preferably anhydrous sulfurous acid
Sodium.
By adding in antioxidant in a developer, to significantly increase the oxidation resistance of developer, its developability is improved
Can, make its storage life longer, especially when select anhydrous sodium sulfite as antioxidant when, manufactured developer it is anti-oxidant
Performance is more preferably excellent.
In the preferred embodiment of the present invention, buffer is selected from sodium hydroxide, potassium hydroxide, sodium carbonate, carbonic acid
Any one in hydrogen sodium, potassium carbonate and saleratus, is preferably the composition of sodium carbonate and sodium acid carbonate, and the quality of the two
Than for (1-4)：(1-2).
By adding in buffer in a developer, to adjust the pH value of developer, can be carried out faster with film
Redox reaction, to accelerate the efficiency that develops the color.Especially when buffer is sodium carbonate and sodium acid carbonate, and the mass ratio of the two is
(1-4)：(1-2) can more effectively facilitate the quickening of developing powder, improve fixing efficiency.
In the preferred embodiment of the present invention, antifoggant is selected from 5- nitro benzos indazole, 6- nitro benzo miaows
At least one of azoles, potassium bromide, triazole and tetrazole are preferably potassium bromide.
In a preferred embodiment of the invention, made by adding in antifoggant in a developer with improving development effect
Its development is more stable, and especially when antifoggant is potassium bromide, color developing effect is more preferably.
In the preferred embodiment of the present invention, complexing agent is selected from ethylenediamine tetra-acetic acid, five amine of diethylene, five acid, six
At least one of metaphosphate and citric acid are preferably ethylenediamine tetra-acetic acid.
By adding in complexing agent in a developer, in order to which when preparing developer solution, each component uniform and stable can disperse,
And be not in precipitation.
According to the second aspect of the invention, the present invention provides the preparation method of above-mentioned developer, include the following steps：
By Vitamin C acid compounds, phenidone, optionally antioxidant, optionally buffer, optionally antifoggant,
Optionally complexing agent and optional 2,4- diaminophenols is uniformly mixed to get to developer.
The preparation method of developer provided by the invention, it is simple for process, it is easy to operate, big industrial production can be suitable for.
According to the third aspect of the present invention, the present invention provides a kind of developing solution, including developer provided by the invention.
In present invention further optimization embodiment, developer is dissolved in the water by developer and is prepared.
Developer solution provided by the invention is prepared by using developer provided by the invention, and not only color developing effect is good,
And it is nontoxic and pollution-free, human body will not be damaged, environment will not be polluted.
Technical solution provided by the invention is further described with reference to embodiment and comparative example.
Embodiment 1
A kind of developer is present embodiments provided, including 10 parts of sodium isoascorbates and 1g phenidone, the mass ratio of the two
For 10:1.
Embodiment 2
A kind of developer is present embodiments provided, resists different bad hematic acid sodium and 0.5g phenidone, the matter of the two including 20 parts of L-
Amount is than being 40:1.
Embodiment 3
A kind of developer is present embodiments provided, resists different bad hematic acid sodium and 0.8g phenidone, the matter of the two including 12 parts of L-
Amount is than being 15:1.
Embodiment 4
A kind of developer is present embodiments provided, including 15 parts of sodium isoascorbates and 0.75g phenidone, the quality of the two
Than for 20:1.
Embodiment 5
A kind of developer is present embodiments provided, including 14 parts of sodium isoascorbates and 0.76g phenidone, the quality of the two
Than for 18.4:1.
Embodiment 6
A kind of developer is present embodiments provided, including 6 parts of sodium isoascorbates, 4 parts of L- ascorbic acids and 1g phenidone,
The mass ratio of the different bad blood acid compounds of moderate resistance and phenidone is 10:1.
Embodiment 7
A kind of developer is present embodiments provided, including 7 parts of sodium isoascorbates, 13 parts of L- ascorbic acids and 0.5g phenanthrene Buddhist nuns
The mass ratio of ketone, the different bad blood acid compounds of moderate resistance and phenidone is 40:1.
Embodiment 8
A kind of developer is present embodiments provided, including 10 parts of sodium isoascorbates, 5 parts of L- ascorbic acids and 0.75g phenanthrene Buddhist nuns
The mass ratio of ketone, the different bad blood acid compounds of moderate resistance and phenidone is 20:1.
Embodiment 9
A kind of developer is present embodiments provided, including 4 parts of sodium isoascorbates, 8 parts of L- ascorbic acids and 0.75g phenanthrene Buddhist nuns
The mass ratio of ketone, the different bad blood acid compounds of moderate resistance and phenidone is 15:1.
Embodiment 10
A kind of developer is present embodiments provided, including 7 parts of sodium isoascorbates, 7 parts of L- ascorbic acids and 0.76g phenanthrene Buddhist nuns
The mass ratio of ketone, the different bad blood acid compounds of moderate resistance and phenidone is 18.4:1.
Embodiment 11
Embodiment 11 provides a kind of developer, developer, 56 parts of anhydrous sodium sulfite, the carbon provided including embodiment 1
Sour 11.6 parts of sodium, 6.2 parts of sodium acid carbonate, 1 part of potassium bromide, 1.6 parts of ethylenediamine tetra-acetic acid.
Embodiment 12
Embodiment 12 provides a kind of developer, the present embodiment with embodiment 10 the difference is that, using embodiment 2
The developer of offer replaces the developer that embodiment 1 provides.
Embodiment 13
Embodiment 13 provides a kind of developer, the present embodiment with embodiment 10 the difference is that, using embodiment 3
The developer of offer replaces the developer that embodiment 1 provides.
Embodiment 14
Embodiment 14 provides a kind of developer, the present embodiment with embodiment 10 the difference is that, using embodiment 4
The developer of offer replaces the developer that embodiment 1 provides.
Embodiment 15
Embodiment 15 provides a kind of developer, the present embodiment with embodiment 10 the difference is that, using embodiment 5
The developer of offer replaces the developer that embodiment 1 provides.
Embodiment 16
Embodiment 16 provides a kind of developer, the present embodiment with embodiment 10 the difference is that, using embodiment 6
The developer of offer replaces the developer that embodiment 1 provides.
Embodiment 17
Embodiment 17 provides a kind of developer, the present embodiment with embodiment 10 the difference is that, using embodiment 7
The developer of offer replaces the developer that embodiment 1 provides.
Embodiment 18
Embodiment 18 provides a kind of developer, the present embodiment with embodiment 10 the difference is that, using embodiment 8
The developer of offer replaces the developer that embodiment 1 provides.
Embodiment 19
Embodiment 19 provides a kind of developer, the present embodiment with embodiment 10 the difference is that, using embodiment 9
The developer of offer replaces the developer that embodiment 1 provides.
Embodiment 20
Embodiment 20 provides a kind of developer, the present embodiment with embodiment 10 the difference is that, using embodiment
10 developers provided replace the developer that embodiment 1 provides.
Embodiment 21
Embodiment 21 provides a kind of developer, the present embodiment with embodiment 20 the difference is that, add in 10 part 2,
4- diaminophenols.
Embodiment 22
Embodiment 22 provides a kind of developer, the present embodiment with embodiment 20 the difference is that, add in 30 part 2,
4- diaminophenols.
Embodiment 23
Embodiment 23 provides a kind of developer, the present embodiment with embodiment 20 the difference is that, add in 20 part 2,
4- diaminophenols.
Embodiment 24-36
Embodiment 24-37 provides the preparation method of the developer of above-described embodiment 11-23 offers, includes the following steps：
By Vitamin C acid compounds, phenidone, optionally anhydrous sodium sulfate, optionally sodium carbonate and sodium bicarbonate composition, optionally
Ground potassium bromide, optionally ethylenediamine tetra-acetic acid and optional 2,4- diaminophenols are uniformly mixed to get to developer.
Comparative example 1
This comparative example provides a kind of developer, this comparative example with embodiment 23 the difference is that, do not add in anti-bad
Blood acid compounds.
Comparative example 2
This comparative example provides a kind of developer, this comparative example with embodiment 23 the difference is that, phenidone 0.2
Part.
Comparative example 3
This comparative example provides a kind of developer, this comparative example with embodiment 23 the difference is that, phenidone 4
Part.
The preparation method for the developer that comparative example 1-3 is provided is identical with embodiment 23, and details are not described herein.
Embodiment 37-49
Embodiment 38-51 each provides a kind of developer solution, is dissolved in respectively by the embodiment 11-23 developers provided
It is prepared in 1000 parts of water.
Comparative example 4-6
Comparative example 4-6 each provides a kind of developer solution, is dissolved in 1000 parts by the comparative example 1-3 developers provided respectively
It is prepared in water.
Embodiment 38-51 and comparative example the 4-6 developer solution provided are tested for the property, it is as a result as shown in table 1 below：
1 developing solution performance test table of table
| Color developing effect (grade) | - 5 DEG C of storages | The feature of environmental protection | |
| Embodiment 37 | 1 | There is a small amount of crystal to be precipitated | Asepsis environment-protecting |
| Embodiment 38 | 1 | There is a small amount of crystal to be precipitated | Asepsis environment-protecting |
| Embodiment 39 | 1-2 | There is a small amount of crystal to be precipitated | Asepsis environment-protecting |
| Embodiment 40 | 1-2 | There is a small amount of crystal to be precipitated | Asepsis environment-protecting |
| Embodiment 41 | 1-2 | There is a small amount of crystal to be precipitated | Asepsis environment-protecting |
| Embodiment 42 | 2 | There is a small amount of crystal to be precipitated | Asepsis environment-protecting |
| Embodiment 43 | 2 | There is a small amount of crystal to be precipitated | Asepsis environment-protecting |
| Embodiment 44 | 2-3 | There is a small amount of crystal to be precipitated | Asepsis environment-protecting |
| Embodiment 45 | 2-3 | There is a small amount of crystal to be precipitated | Asepsis environment-protecting |
| Embodiment 46 | 3 | There is a small amount of crystal to be precipitated | Asepsis environment-protecting |
| Embodiment 47 | 3 | No crystal is precipitated | Asepsis environment-protecting |
| Embodiment 48 | 3 | No crystal is precipitated | Asepsis environment-protecting |
| Embodiment 49 | 3 | No crystal is precipitated | Asepsis environment-protecting |
| Comparative example 4 | 0 | No crystal is precipitated | Asepsis environment-protecting |
| Comparative example 5 | 0 | No crystal is precipitated | Asepsis environment-protecting |
| Comparative example 6 | 0 | No crystal is precipitated | Asepsis environment-protecting |
Wherein, the more visible exquisiteness that develops the color is set to 1 grade, and the very clear exquisiteness that develops the color is set to 3 grades, between the more visible exquisiteness that develops the color
It is set to 2 grades color developing effect of the colour developing very cleaning between fine and smooth, it is unintelligible to be set to 0 grade.
From the comparison of table 1 embodiment 37-49 and comparative example 4-6 can be seen that developer provided by the invention pass through it is anti-bad
Blood acid compounds and the mutual coordinated of phenidone, not only color developing effect is good, but also nontoxic and pollution-free, and human body will not be caused
Injury, will not pollute environment.
It can be seen that by the comparison of embodiment 47-49 and embodiment 37-46 by adding in 2,4- diaminos in a developer
Base phenol can significantly improve the resistance to low temperature of developer solution, make it that can also stablize storage at -5 DEG C.
It can be seen that from the comparison of 1 embodiment 39-41 of table and embodiment 37-38 as Vitamin C acid compounds and Fei Ni
The mass ratio of ketone is (15-20)：When 1, the clear sophistication that develops the color significantly improves.
It can be seen that from the comparison of embodiment 42-46 and embodiment 37-41 when Vitamin C acid compounds are L- Vitamin Cs
The composition of acid and sodium isoascorbate, and the mass ratio of the two is (1-2)：(1-2) develops the color clear sophistication more preferably.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of developer, which is characterized in that including Vitamin C acid compounds and phenidone, Vitamin C acid compounds and phenanthrene
The mass ratio of Buddhist nun's ketone is (10-40)：1；Preferably (15-20)：1.
2. developer according to claim 1, which is characterized in that the Vitamin C acid compounds are selected from L- Vitamin Cs
At least one of acid, L-AA sodium and sodium isoascorbate, it is preferable that Vitamin C acid compounds are L-AA
With the composition of sodium isoascorbate, and the mass ratio of the two be (1-2)：(1-2).
3. developer according to claim 1 or 2, which is characterized in that including following component according to the mass fraction：It is anti-bad
10-20 parts of blood acid compounds, 0.5-1 parts of phenidone, 45-65 parts of antioxidant, 5-20 parts of buffer, antifoggant 0.1-2
Part, 0.5-2 parts of complexing agent.
4. developer according to claim 3, which is characterized in that further include 2,4- diaminophenols according to the mass fraction
10-30 parts.
5. developer according to claim 3, which is characterized in that the antioxidant is selected from anhydrous sulphite, anhydrous
One kind in bisulfites, weighting sulphite or 2,4- di-tert-butylphenol is preferably anhydrous sulphite, more preferably nothing
Water sodium sulfite.
6. developer according to claim 3, which is characterized in that the buffer is selected from sodium hydroxide, potassium hydroxide, carbon
Any one in sour sodium, sodium acid carbonate, potassium carbonate and saleratus is preferably the composition of sodium carbonate and sodium acid carbonate, and
The mass ratio of the two is (1-4)：(1-2).
7. developer according to claim 3, which is characterized in that the antifoggant is selected from 5- nitro benzos indazole, 6-
At least one of nitrobenzimidazole, potassium bromide, triazole and tetrazole are preferably potassium bromide.
8. developer according to claim 3, which is characterized in that the complexing agent is selected from ethylenediamine tetra-acetic acid, diethylene
At least one of five amine, five acid, hexametaphosphate and citric acid, are preferably ethylenediamine tetra-acetic acid.
9. according to the preparation method of claim 1-8 any one of them developers, which is characterized in that include the following steps：It will
Vitamin C acid compounds, phenidone, optionally antioxidant, optionally buffer, optionally antifoggant, be optionally complexed
Agent and optional 2,4- diaminophenols are uniformly mixed to get to developer.
10. a kind of developer solution, which is characterized in that including claim 1-8 any one of them developers；
Preferably, the developer solution is dissolved in the water by the developer and is prepared.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332392A (en) * | 2000-06-26 | 2002-01-23 | 中国科学院感光化学研究所 | Concentrated black-and-white developer solution and its prepn |
| CN101076572A (en) * | 2004-12-11 | 2007-11-21 | 伊斯曼柯达公司 | Conductive silver dispersions and uses thereof |
| US20070172779A1 (en) * | 2006-01-20 | 2007-07-26 | Dai Nippon Printing Co., Ltd. | Hologram silver halide photographic material, hologram and method for producing the same |
| CN105093805A (en) * | 2014-05-20 | 2015-11-25 | 柯达公司 | Silver halide solution physical developing solution and use method for same |
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