CN105093804A - Stop bath used for photographic film and preparation method thereof - Google Patents
Stop bath used for photographic film and preparation method thereof Download PDFInfo
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- CN105093804A CN105093804A CN201410774703.XA CN201410774703A CN105093804A CN 105093804 A CN105093804 A CN 105093804A CN 201410774703 A CN201410774703 A CN 201410774703A CN 105093804 A CN105093804 A CN 105093804A
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- stop bath
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- diethoxymethane
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Abstract
The invention discloses stop bath used for a photographic film and a preparation method thereof. The stop bath used for the photographic film comprises the following components, by weight: 30-40 parts of glacial acetic acid, 5-12 parts of diethoxymethane, 10-22 parts of polycaprolactone diol, 3-6 parts of isophorone diisocyanate, 13-21 parts of iodine tincture and 50-70 parts of de-ionized water. The preparation method comprises the steps of (1) placing the 30-40 parts of glacial acetic acid in the 50-70 parts of de-ionized water for heating and stirring for 5-10 min, the heating temperature being controlled within 40-50 DEG C, and cooling naturally to a room temperature; (2) adding the 5-12 parts of diethoxymethane and the 10-22 parts of polycaprolactone diol and stirring; and (3) after the temperature drops to 20-30 DEG C, adding the 3-6 parts of isophorone diisocyanate and the 13-21 parts of iodine tincture, and then carrying out reduced pressure distillation to condense the mixture to 1/4 volume thereof. The stop bath used for the photographic film and the preparation method thereof have the advantages that the efficiency of neutralizing an alkaline developing solution can be improved remarkably by adding the iodine tincture in the stop bath.
Description
Technical field
The present invention relates to the washing processing field of film, particularly relate to film stop bath and preparation method thereof.
Background technology
The flushing treatment scheme of film generally comprises development, stop showing, fixing, washing, dry several step.Film is put into developer solution makes film development exactly in development, and stopping aobvious is exactly in coming with acid stop bath and the activity of developer solution, and because emulsion is filled developer solution, development not yet stops.Film is put into acid stop bath immediately, neutralizes the alkali in developer solution, development effect can stop.The error of developing and bringing can be reduced, ensure the accuracy of quantitative test.The effect of stop bath is the image of fixing development gained, removes not photosensitive silver halide.Wherein the effect of stop bath is very important, but is often ignored by people, uses water rinse to replace stopping showing, so often causes stop bath easily to lose efficacy, fixed not saturating, affects film and becomes shadow quality.Existing stop bath be generally with 3% ~ 6% acetum directly use as stop bath, it is bad to stop effective fruit, can not stop development immediately, and the effective constituent of acetum is easily volatilized, and causes stopping effective use and reduces gradually, do not reach expected effect.
Summary of the invention
It is undesirable that the technical problem to be solved in the present invention is that existing stop bath stops effective fruit, not easily preserves for a long time, provide a kind of film stop bath and preparation method thereof for this reason.
Technical scheme of the present invention is: film stop bath, and the component that it comprises by weight is as follows: the deionized water of the polycaprolactone diols of the glacial acetic acid of 30-40 part, the diethoxymethane of 5-12 part, 10-22 part, the isophorone diisocyanate of 3-6 part, the tincture of iodine of 13-21 part and 50-70 part.
The preparation method of film stop bath, it comprises the following steps: (1), the deionized water glacial acetic acid of 30-40 part being put into 50-70 part add thermal agitation 5-10min, and heating and temperature control, at 40-50 DEG C, naturally cools to room temperature; (2), add the diethoxymethane of 5-12 part and the polycaprolactone diols of 10-22 part, 50-60 DEG C, stir 5-10min under 2-3MPa environment; (3) tincture of iodine decompression distillation of the isophorone diisocyanate and 13-21 part of, adding 3-6 part when temperature is down to 20-30 DEG C is concentrated into 1/4 volume.
The invention has the beneficial effects as follows in stop bath the efficiency with alkaline-based developer during adding the tincture of iodine can significantly promote, polycaprolactone diols and isophorone diisocyanate can keep the stability of stop bath, not easily lose efficacy.
Embodiment
Below in conjunction with embodiment, the present invention will be further described.
Embodiment 1: film stop bath, the component that it comprises by weight is as follows: the deionized water of the glacial acetic acid of 30 parts, the diethoxymethane of 5 parts, the polycaprolactone diols of 10 parts, the isophorone diisocyanate of 3 parts, the tincture of iodine of 13 parts and 50 parts.
The preparation method of film stop bath, it comprises the following steps: (1), the deionized water glacial acetic acid of 30 parts being put into 50 parts add thermal agitation 5min, and heating and temperature control, at 40 DEG C, naturally cools to room temperature; (2), add the diethoxymethane of 5 parts and the polycaprolactone diols of 10 parts, 50 DEG C, stir 5min under 2MPa environment; (3), when temperature is down to 20 DEG C, the isophorone diisocyanate of 3 parts is added and the tincture of iodine decompression distillation of 13 parts is concentrated into 1/4 volume.
Embodiment 2: film stop bath, the component that it comprises by weight is as follows: the deionized water of the glacial acetic acid of 40 parts, the diethoxymethane of 12 parts, the polycaprolactone diols of 22 parts, the isophorone diisocyanate of 6 parts, the tincture of iodine of 21 parts and 70 parts.
The preparation method of film stop bath, it comprises the following steps: (1), the deionized water glacial acetic acid of 40 parts being put into 70 parts add thermal agitation 10min, and heating and temperature control, at 50 DEG C, naturally cools to room temperature; (2), add the diethoxymethane of 12 parts and the polycaprolactone diols of 22 parts, 60 DEG C, stir 10min under 3MPa environment; (3), when temperature is down to 30 DEG C, the isophorone diisocyanate of 6 parts is added and the tincture of iodine decompression distillation of 21 parts is concentrated into 1/4 volume.
Embodiment 3: film stop bath, the component that it comprises by weight is as follows: the deionized water of the glacial acetic acid of 35 parts, the diethoxymethane of 8 parts, the polycaprolactone diols of 15 parts, the isophorone diisocyanate of 4 parts, the tincture of iodine of 16 parts and 60 parts.
The preparation method of film stop bath, it comprises the following steps: (1), the deionized water glacial acetic acid of 35 parts being put into 60 parts add thermal agitation 7min, and heating and temperature control, at 45 DEG C, naturally cools to room temperature; (2), add the diethoxymethane of 8 parts and the polycaprolactone diols of 15 parts, 55 DEG C, stir 8min under 2.5MPa environment; (3), when temperature is down to 25 DEG C, the isophorone diisocyanate of 4 parts is added and the tincture of iodine decompression distillation of 16 parts is concentrated into 1/4 volume.
The stop bath that the present invention obtains can preserve the longer time, because the existence of isophorone diisocyanate and polycaprolactone diols can make the glacial acetic acid in stop bath be sealed up for safekeeping, can for long-time, the tincture of iodine added can be used as auxiliary agent and the developer solution reaction of glacial acetic acid, developer solution residual on quick removal film, under ensureing that family mother-in-law is in sour environment, carbonate promoter can not be allowed directly to enter stop bath, be beneficial to the fixing of next step.If the carbonate promoter in developer solution very greatly, also can produce minute bubbles attachment, occur in the future just detectable little dim spot as sodium carbonate enters stop bath impact.The life-span of stop bath can shorten much because of carbonate.
Contrast through the film performance of embodiment 1-3 process and the film performance as a comparison case of general process, test figure sees the following form:
| Project | On the impact of stop bath | On the impact of film | With the time (s) completely |
| Embodiment 1 | Nothing | Nothing | 6 |
| Embodiment 2 | Nothing | Nothing | 7 |
| Embodiment 3 | Nothing | Nothing | 8 |
| Comparative example | There are minute bubbles | There is dim spot | 12 |
The visible film obtained through the present invention does not affect follow-up stop bath, does not also affect film, significantly improves completely with the time of developer solution.
Claims (2)
1. film stop bath, is characterized in that the component that it comprises by weight is as follows: the deionized water of the polycaprolactone diols of the glacial acetic acid of 30-40 part, the diethoxymethane of 5-12 part, 10-22 part, the isophorone diisocyanate of 3-6 part, the tincture of iodine of 13-21 part and 50-70 part.
2. the preparation method of film stop bath as claimed in claim 1, it is characterized in that it comprises the following steps: (1), the deionized water glacial acetic acid of 30-40 part being put into 50-70 part add thermal agitation 5-10min, heating and temperature control, at 40-50 DEG C, naturally cools to room temperature; (2), add the diethoxymethane of 5-12 part and the polycaprolactone diols of 10-22 part, 50-60 DEG C, stir 5-10min under 2-3MPa environment; (3) tincture of iodine decompression distillation of the isophorone diisocyanate and 13-21 part of, adding 3-6 part when temperature is down to 20-30 DEG C is concentrated into 1/4 volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410774703.XA CN105093804A (en) | 2014-12-16 | 2014-12-16 | Stop bath used for photographic film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410774703.XA CN105093804A (en) | 2014-12-16 | 2014-12-16 | Stop bath used for photographic film and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105093804A true CN105093804A (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410774703.XA Pending CN105093804A (en) | 2014-12-16 | 2014-12-16 | Stop bath used for photographic film and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4388403A (en) * | 1980-09-30 | 1983-06-14 | Agfa-Gevaert Aktiengesellschaft | Process for the preparation of dispersions of hydrophobic substances in water |
| US4762777A (en) * | 1984-12-15 | 1988-08-09 | Agfa-Gevaert Ag | Polyurea and polyurethane compounds containing a photographically useful group, and a photographic recording material containing such compounds |
| CN1074764A (en) * | 1992-01-25 | 1993-07-28 | 卢绩高 | Film, the streamlined color processing kit chemicals of the synthermal development of printing paper are from prescription and developing technique |
| US5270145A (en) * | 1991-12-06 | 1993-12-14 | Eastman Kodak Company | Heat image separation system |
| US5652089A (en) * | 1992-08-11 | 1997-07-29 | Fuji Photo Film Co., Ltd. | Silver halide photographic emulsion |
-
2014
- 2014-12-16 CN CN201410774703.XA patent/CN105093804A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4388403A (en) * | 1980-09-30 | 1983-06-14 | Agfa-Gevaert Aktiengesellschaft | Process for the preparation of dispersions of hydrophobic substances in water |
| US4762777A (en) * | 1984-12-15 | 1988-08-09 | Agfa-Gevaert Ag | Polyurea and polyurethane compounds containing a photographically useful group, and a photographic recording material containing such compounds |
| US5270145A (en) * | 1991-12-06 | 1993-12-14 | Eastman Kodak Company | Heat image separation system |
| CN1074764A (en) * | 1992-01-25 | 1993-07-28 | 卢绩高 | Film, the streamlined color processing kit chemicals of the synthermal development of printing paper are from prescription and developing technique |
| US5652089A (en) * | 1992-08-11 | 1997-07-29 | Fuji Photo Film Co., Ltd. | Silver halide photographic emulsion |
Non-Patent Citations (4)
| Title |
|---|
| 刘玉盛: "丝网印刷彩色原稿的拍摄（五）", 《丝网印刷》 * |
| 王琦: "《实用现代暗房指南》", 30 November 2001, 中国摄影出版社 * |
| 虞孝宽等: "《摄影配方常识》", 31 August 1960, 上海人民美术出版社 * |
| 顾培根: "照相冲洗加工中某些问题的认识和体会", 《影像技术》 * |
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Application publication date: 20151125 |