CN1153319A - Plastic base photograph and preparing method thereof - Google Patents

Abstract

A method for preparing plastic plate photo used as exhibition photo or lamp house for advertisement includes glutin solution preparation, emulsifying, washing with water, stabilizing the sensitivity and coating. Said plastic plate photo is made up through coating an organic plastic plate as substrate with photosensitive emulsion film, exposure, developing and fixation. For colour photo, optical sensible procedure replaces chemical one used in black-white photo. Its advantages are better transmission and reflection densities, good sensitivity, resolution and granularity, strong beautiful taste and harmonious hue.

Description

Mould plate phase and preparation method thereof

The present invention relates to a kind ofly utilize organic plastic plate to carry out the method for making of photosensitive imaging and mould plate phase product, this is moulded plate and is used for photo exhibition, industry propaganda, commercial lamp box advertisement, photo studio seal mutually and puts picture etc.

At present domestic outdoor advertising and the exhibition picture of being used for mostly is artificial picture figure, needs often to repair owing to be subjected to UV-irradiation and wind and rain to blow the easy brown of brush; Indoor small size picture mostly is the photograph sheet greatly, and mounting trouble, and significantly picture such as advertisement picture (plate) then adopt import counter-rotating film, and be about to film and be attached to the on glass of advertising lamp box, and the cost height, during the light skewness, picture effect is bad.

The purpose of this invention is to provide a kind of is the sheet base with organic plate of moulding, and sensitization in the above become phase mould the plate phase, provide this to mould the preparation method of plate phase simultaneously.

The present invention is according to the know-why that becomes phase: silver halide crystal is accepted photon, is reduced into argent, silver halide crystal accept photon what, then be reduced to silver and produce different density.The present invention is to be the sheet base with organic plate of moulding, and photosensitive emulsion is coated in forms the emulsion film on the plastic plate, handles to make through sensitization and moulds the plate phase.Preparation method of the present invention comprises the preparation of glue, and sensitizing and painting process are washed, stablized to the emulsification of photosensitive emulsion, system bar, and the coating photosensitive emulsion of making is moulded plate and made and mould the plate phase through sensitization, development, photographic fixing processing, and preparation process of the present invention is as follows:

A) remove water after earlier gelatin being soaked 10～20min in 6～10 ℃ water, then this gelatin and water are soaked 20～30min with 1: 8～10 ratio (weight) under room temperature, place behind water-bath 1～1.5hr of 60 ± 5 ℃ standby again;

B) potassium iodide aqueous solution and the kbr aqueous solution with preparation is added in the gelatin solution of above-mentioned 1/12～1/7 volume number, glue with potassium bromide and potassium iodide is added in the gelatin solution of above-mentioned surplus again, add silver nitrate aqueous solution, wherein AgNO simultaneously in stirring and under 60 ± 5 ℃ the bath temperature ₃, KI and KBr additional proportion be: the AgNO that converts out with 1g silver ₃Weight: 0.01～0.08: 1.2～1.35 (weight portions), AgNO ₃: gelatin=1: 4～5 (weight ratio), the emulsion of emulsification is made gel in 5～10 ℃ of following cooling 4～12hr;

With the washing of gel slitting, till the conductivity of measuring water lotion is 0.05～0.2;

D) adhesive tape being placed bath temperature is 60 ± 5 ℃ container, adds 6-nitrobenzene a pair of horses going side by side imidazole nitrate aqueous solution in stirring, and addition is: AgNO ₃: 6 nitrobenzene a pair of horses going side by side imidazole nitrate=1: 0.00025～0.0005 (weight ratio) adds Na then ₂S ₂O ₃Aqueous solution, addition are AgNO ₃: sodium thiosulfate=1: 0.015～0.032 (weight ratio), add formalin again, addition is: gelatin: formaldehyde=1: 0.012～0.02 (weight);

E) the above-mentioned photosensitive emulsion for preparing is coated on the plastic plate of treated mistake, coating thickness is controlled at 0.015～0.03ml/cm ², coating speed is 8～10cm/ second, and dry under room temperature.

The present invention also can finish by following technical scheme, after finishing chemically stable and sensitizing program, promptly adds 6-nitrobenzene a pair of horses going side by side imidazole nitrate and Na ₂S ₂O ₃After, adding the sodium dodecyl sulfate solution of surfactant 0.5%, addition is a gelatin: sodium dodecylsulphonate=1: 0.003～0.01 (weight portion), and adding the formaldehyde hardener again, the photosensitive emulsion that adds behind the formaldehyde adds Sodium azide NaN again ₃Mould the antiseptic property of plate phase with increase, addition is 0.5～1.0% (percent by volume) of emulsification dosage (black and white is moulded total emulsion amount of plate phase technology), add the ethanol defoamer at last, addition is 0.7～1.5% (percent by volume) of (black and white is moulded total emulsion amount of plate phase technology) of emulsion total amount.The optimum ratio of silver nitrate and potassium iodide and potassium bromide is: the AgNO that 1 gram silver converses ₃Weight: KI: KBr=1.58: 0.016～0.078: 1.2～1.33 (weight portions).Without the aqueous citric acid solution that can add 25% in the surplus gelatin solution before the emulsification, addition is a gelatin: citric acid=1: 0.03～0.05 (weight ratio).

The inventive method except that make black and white mould plate mutually, also can make colour and mould the plate phase, make colour and mould the plate phase time, replace chemical sensitization with the optical sensibilization program, promptly remove sensitizer sodium thiosulfate, this optical sensibilization process is: the emulsion that will add stabilizing agent is divided into three parts, the sensitizing dye of getting different colours is made into methyl alcohol or ethanol water respectively and is added to respectively in three parts of emulsions, use amount is 0.1%～0.01% (volume ratio) of every part of emulsion total amount, sensitizing dye is respectively 3, ammonia salt in 3 ＇-two (ω-sulfuric acid ethyl)-5,5 ＇ diphenyl-9-ethyl oxygen carbon cyanines, 3,3 ＇-two (β-sulfuric acid ethyl)-5,5 ＇ diphenyl-9-ethyl sulphur carbon cyanines villaumite, (quinoline nuclei contains a methine=CH-), add the antioxidant catechol behind the optical sensibilization again to cyanine dyes, addition is 0.5% (volume ratio) of every part of emulsion total amount, add 3 ＇ again, 5 ＇-dicarboxyl aniline-4-18 acylamino-benzoyl ethyl acetic acid (yellow colour coupler), addition is: the AgNO that 1g silver folds ₃Amount: yellow colour coupler=1.58: 1.0～1.4 (weight), adding 1-hydroxyl-4-sulfonic group-naphthoyl (2) for octadecylamine (cyan colour coupler), addition is: the AgNO that 1g silver is converted out ₃Amount: cyan colour coupler=1.58: 1.0～1.15 (weight ratio), (3 ＇-sulfo group-4 ＇-phenoxy group (for phenyl)-3-heptadecyl pyrazolone-[5] (magenta colour coupler), addition is: the AgNO that 1g silver is converted out to add 1- ₃Amount: magenta colour coupler=1.58: 1.0～1.3 (weight).

The present invention is to be the sheet base with the organic plastic plate, on the sheet base, be coated with the photosensitive emulsion film, before coating not, need carry out pre-service to moulding plate: will mould plate earlier and be cut into required specification, in 2%HCL, soak 8～12hr, washing, put into 2～3%NaOH solution again and soak 8～12hr, washing is handled with 1% glutol liquid again, and two boards is lumped together push-and-pull, being forbidden has bubble, in order to make the transmission and the reflection density of moulding plate even, the plate face can be processed into hair side or matte before the last coating, the material of plastic plate is organic plastic plates such as tygon, polypropylene.

Coating quality directly influence is moulded plate phase performance, and coating process has machinery and hardened coating, and hardened coating is applicable to medium and small picture, but makes flexibly.The machinery coating is that emulsion is placed in the coating funnel, constant temperature, the inaccurate stirring, make the even running of coated panel face,, be generally 8～10cm/ second according to emulsion viscosity levelling travelling speed, it is control Reynolds coefficients R e≤2000 that the making colour is moulded the plate coating speed, the coated panel that has been coated with emulsion is placed in 25 ± 2 ℃ the drying box, and humidity is 70%, after the drying, measure light sensitivity and photographic property, treat the sensitization use.Colour is moulded plate coating process and black and white, and to mould plate basic identical, the photosensitive emulsion that just will divide three kinds of colors is coating in order, coating bed thickness＜0.8mm, coating is divided into three layers: bottom is coated with the blue layer of the sense that contains yellow colour coupler, the middle level is coated with the sense red beds that contains cyan colour coupler, and the superiors are coated with the green layer that contains magenta colour coupler.

The present invention has following advantage:

1, this is moulded plate and has good transmission density and reflection density mutually, performance reaches the requirement of photograph fully, and mould its light sensitivity of plate, contrast, granularity before becoming mutually are better than homemade printing paper, and refreshing aesthetic feeling is strong, tone becomes warm colour, index conformance with standard such as photo tone, level, sharpness, contrast;

2, this is moulded plate and both can make the display and exhibition photo mutually, saves the mounting program, also can be made into lamp box, makes commercial advertising, and cost is low, has good use value.

Below in conjunction with process chart embodiments of the invention being done one describes.

Embodiment 1:

1) get gelatin 8g, add cold water soak 10～15min of 6～10 ℃, remove water, add pure water 70ml, soak 20～30min in 20～25 ℃, place 60 ± 2 ℃ stirred in water bath 1 hour then, it is standby to take out the 10ml glue;

2) get silver nitrate 2.5g and add water 30ml, make its dissolving in 60 ± 2 ℃ stirred in water bath, get potassium iodide 0.1g again, potassium bromide 2.0g adds water 30ml dissolving, and the 10ml glue of above-mentioned dissolving is added in the aqueous solution of potassium iodide and potassium bromide mixing; The gelatin solution 70-10=60ml that gets above-mentioned surplus again adds 25% aqueous citric acid solution 1.5ml, stirs;

3) with above-mentioned AgNO ₃Solution and potassium bromide, potassium iodide gelatin solution alternately are added drop-wise in stirring and carry out emulsification in the gelatin solution that contains citric acid, stirring rate 250 commentaries on classics/min, and about 15min adds AgNO ₃With bromine, potassium iodide gelatin solution, adjust temperature controller and make emulsifying agent be chilled to 40～45 ℃, be chilled to the refrigerator 4～12hr that puts into 6～9 ℃ after the room temperature after taking-up standby;

4) gel of condensation is cut into the adhesive tape of 1～1.5cm, washes with water repeatedly, water temperature is controlled at 5～10 ℃, measures conductivity (100us) 0.07～0.2 at last and gets final product, and the water cut of adhesive tape is 8～10%;

5) with the adhesive tape draining of washing, put into container, add 6-nitrobenzene a pair of horses going side by side imidazole nitrate 4ml of 0.02%, also can store standbyly, also can directly use;

6) Na of adding 0.5% in above-mentioned emulsion ₂S ₂O ₃Solution 10ml, temperature is controlled at 60 ± 2 ℃, and keeps 30～60 minutes, adds 0.5% sodium dodecylsulphonate, 10ml then, stirs, and adds 37～38% formalin 0.4ml again, adds the NaN of sodium azide 1% ₃Aqueous solution 1ml adds absolute ethyl alcohol 2ml at last, stirs 2～5min, places 35～37 ℃ water-bath, and insulation is standby.

7) get the polypropylene plastics flitch and anticipate, with above-mentioned photosensitive emulsion coating, coating thickness is adjusted at 0.015～0.03ml/cm ², coating speed is 8～10cm/ second, after the emulsion on the plate to be coated solidifies, places in 25 ℃ ± 2 the drying box, and humidity is adjusted at 70%, and dry back is stand-by.

Black and white is moulded plate and is shown fixed prescription and method mutually:

Developer solution:

Get Mitouer 2g, sodium sulphite 100g, p-dihydroxy-benzene 5g, borax 2g adds water 1000ml dissolving;

Stop bath:

A liquid: Na ₂S ₂O ₃.5H ₂O 240g, water 500ml

B liquid: Na ₂SO ₃15g, 28% acetate 45ml, arcanite 15g

Water 150ml

B liquid is inserted in the A liquid, stir, water complements to 1000ml then

Stop bath: water intaking 1000ml, add 28% acetic acid 13.ml, be mixed.

Develop, fixation method: 18～21 ℃ of development temperatures, normal exposure development 3min, during development, the photosensitive emulsion film up, normal exposure development 3min stops showing and does not wash, directly photographic fixing, fixing time is 10～15min, washing again, air dry.Super-huge lamp box is moulded plate, and the stirrer of can packing in the development cylinder evenly flows developer solution, develops evenly.

Embodiment 2:

Make colour and mould plate phase ingredients, glue liquid, emulsification, washing, the method of stabilizing process is with (1) among the embodiment 1～(5), the emulsion that will add stabilizing agent (6-nitrobenzene a pair of horses going side by side imidazole nitrate) is divided into three parts, every part of adding contains the ethanol water of optical sensitizer, promptly get 3 respectively, 3 ＇-two (sulfuric acid ethyl)-5, ammonia salt in 5 ＇ diphenyl-9-ethyl oxygen carbon cyanines, 3,3 ＇-two (β-sulfuric acid ethyl)-5, (quinoline nuclei contains each 0.1g of a methine=CH-) for 5 ＇ diphenyl-9-ethyl sulphur carbon cyanines villaumite and cyanine dyes, use the 5ml absolute ethyl alcohol respectively for every part, 5m ices dissolving, add 1% catechol aqueous solution 1.5ml then respectively, new preparation before this antioxidant typically uses, in every part of emulsion, add yellow colour coupler 0.7g more respectively, cyan colour coupler 0.5g, magenta colour coupler 0.7g, last water complements to 100ml (this volume number is every part of emulsion total amount), the sodium dodecyl sulfate aqueous solution 10ml of adding 0.5% in every part of emulsion, 37～38% formalin 0.15ml, 1% sodium azide aqueous solution 1ml, absolute ethyl alcohol 2ml, and place 35～37 ℃ water-bath insulation standby this emulsion; The emulsion that will contain Huang, green grass or young crops, magenta colour coupler is coated on the plastic plate of handling successively, and the coating process index is with (7) among the embodiment 1.

Colour is moulded fixed the prescription and method 1 of showing of plate phase) colour display screen PH=10.7

Anhydrous sodium sulfite 1.2g

Natrium carbonicum calcinatum 12.8g

Potassium bromide 0.6g

NaOH 0.8-1.6g

Sodium bicarbonate 1.35g

Borax 6.0g

0.2%6-nitrobenzene a pair of horses going side by side imidazole nitrate 12ml

T ss (N, N-diethyl-p-phenylenediamine sulfate) 2.8-3.2g

Add water to 1000ml2) bleach-fixing liquid PH5.9

ATS (Ammonium thiosulphate) 100g

Anhydrous sodium sulfite 7g

EDTA ferrisodium 100g

Add water to 1000ml3) stable

Wetting agent 10% 2ml

Water washes controlled condition to 1000ml

Operation	Temperature (℃)	Time (branch)
			1, colour display screen	?????38℃	???????2
2, washing	????27-38℃	???????1
			3, float calmly	????4-30℃	???????3
4, washing	????27-38℃	???????3
			5, stable	????27-38℃	???????1

The requirement of color developing agent and bleach-fixing liquid:

1, the reagent composition is sequentially added into, and adds other reagent after the stirring and dissolving again.

2, colour display screen that has prepared and bleach-fixing liquid are adjusted pH value and accurately can be used.

3, institute's serviceability temperature in the developing technique, constant relatively by last table regulation, the accurate temperature difference of colour display screen temperature ± 0.2 ℃ of scope particularly.

Claims (10)

1, mould the preparation method of plate picture, this method comprises the preparation of glue, the emulsification of photosensitive emulsion, washing, stablizes sensitizing and painting process, and the plate of moulding of the coating photosensitive emulsion of making is handled to make through sensitization, development, photographic fixing and moulded the plate phase, it is characterized in that:

A) water is removed gelatin is soaked 10～20min in 6～10 ℃ water after by elder generation, then this gelatin and water is soaked 20～30min with 1: 8～10 ratio (weight) under room temperature, places 60 ± 5 ℃ water-bath standby after 1～1.5 hour again;

B) KI aqueous solution and KBr aqueous solution are added in the gelatin solution of above-mentioned 1/12～1/7 volume number, the glue with potassium bromide and potassium iodide is added in the gelatin solution of above-mentioned surplus again, adds AgNO simultaneously in stirring and under 60 ± 5 ℃ the bath temperature ₃Aqueous solution, wherein AgNO ₃, KI and KBr additional proportion be: the AgNo that converts out with 1g silver ₃Weight: 0.01～0.08: 1.2～1.35 (weight portions), AgNO ₃: gelatin=1: 4～5 (weight ratio), the emulsion of emulsification is made gel in 5～10 ℃ of following cooling 4～12hr;

C) with the washing of gel slitting, till the conductivity of measuring water lotion is 0.05～0.2;

D) adhesive tape being placed bath temperature is 60 ± 5 ℃ container, adds 6-nitrobenzene a pair of horses going side by side imidazole nitrate aqueous solution in stirring, and addition is: AgNO ₃: 6 nitrobenzene a pair of horses going side by side imidazole nitrate=1: 0.00025～0.0005 (weight ratio), and then add Na ₂S ₂O ₃Aqueous solution, addition are AgNO ₃: sodium thiosulfate=1: 0.015～0.032 (weight ratio) adds formalin, gelatin again: formaldehyde=1: 0.012～0.02 (weight);

E) the above-mentioned photosensitive emulsion for preparing is coated on the plastic plate of treated mistake, coating thickness is controlled at 0.015～0.03ml/cm ², coating speed is 8～10cm/ second, and dry under room temperature.

2, in accordance with the method for claim 1, it is characterized in that adding Na ₂S ₂O ₃Behind the solution, can add 0.5% sodium dodecyl sulfate solution, addition is a gelatin: sodium dodecylsulphonate=1: 0.003～0.01 (weight portion).

3, according to claim 1 or 2 described methods, the photosensitive emulsion that it is characterized in that adding behind the formaldehyde can add Sodium azide NaN ₃, addition is 0.5～1.0% (volume) of emulsification dosage, adds the ethanol defoamer again, addition is 0.7～1.5% (percent by volume) of emulsion amount.

4, the described and method according to claim 1 is characterized in that the proportioning of silver nitrate and potassium iodide and potassium bromide can be AgNO that 1 gram silver converses ₃Weight: potassium iodide: potassium bromide=1.58: 0.016～0.078: 1.2～1.33 (weight portion).

5, in accordance with the method for claim 1, it is characterized in that making colour and mould the plate phase time, replace chemical sensitization with the optical sensibilization program, promptly remove sensitizer sodium thiosulfate, this optical sensibilization process is: the emulsion that will add stabilizing agent is divided into three parts, the sensitizing dye alcoholic solution that every part of adding is made into methyl alcohol or ethanol and water, sensitizing dye accounts for 0.1%～0.01% (volume ratio) of every part of emulsion total amount, add catechol then, consumption is 0.5% (volume ratio) of every part of emulsion total amount (colour is moulded plate phase technology), adds colour coupler again.

6, in accordance with the method for claim 5, it is characterized in that said sensitizing dye is respectively 3,3 ＇-two (ω-sulfuric acid ethyl)-5, ammonia salt in 5 ＇ diphenyl-9-ethyl oxygen carbon cyanines, 3,3 ＇-two (β-sulfuric acid ethyl)-5,5 ＇ diphenyl-9-ethyl sulphur carbon cyanines villaumite, (quinoline nuclei contains a methine=CH-) to cyanine dyes, said colour coupler is 3 ＇, 5 ＇-dicarboxyl aniline-4-18 acylamino-benzoyl ethyl acetic acid (yellow colour coupler), 1-hydroxyl-4-sulfonic group-naphthoyl (2) is for octadecylamine (cyan colour coupler), 1-(3 ＇-sulfo group-4 ＇ phenoxy group (for phenyl)-3-heptadecyl pyrazolone-[5] (magenta colour coupler).

7, in accordance with the method for claim 1, it is characterized in that the sensitization plastic plate can not become the plate surface treatment hair side or matte before the coating.

8, in accordance with the method for claim 1, it is characterized in that can adding aqueous citric acid solution in the said surplus gelatin solution without emulsification, addition is a gelatin: citric acid=1: 0.03～0.05 (weight ratio).

9, according to claim 1 or 8 described methods, the material that it is characterized in that plastic plate is organic plastic plates such as polypropylene, tygon.

10, according to the preparation of the described method of claim 1 mould the plate phase, it is characterized in that with organic plate of moulding be the sheet base, on the sheet base, be coated with the photosensitive emulsion film, handle to make through sensitization, development, photographic fixing and mould the plate phase.

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