SU1366983A1 - Intensifier of silver images on halogen-silver phototehcnical materials - Google Patents

Abstract

The invention relates to amplification. leu of silver images on halogen-photographic materials and can be used to increase the optical copy density in cartography, printing and photolithography. In order to improve the working conditions during the preparation of the enhancer and its treatment, another reducing agent is used - hydrazineborane (0.5-10 g / l) and another water dispersing agent - KCl, NaCl or

Description

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This invention relates to chemical-pho-phenidone 0.2; hydroquinone 3.0; sulfite

tographic processing of sodium halide 60.0; potassium carbonate 60.0;

photo materials, more precisely, the composition of potassium bromide 8.0; water up to 1 liter, for standers to increase the standard copying fixation and flashing of a regular density, and can be used to produce a line image with

used in cartography, printing, within 1.2 (measured on densitophotolithography of DP-1 meter after filter 420). Amplification of the invention - perfect image according to customer requirements

VIY of labor in the preparation of effort- .10 subsequent copying, should

l and in the process of processing the photographic material is D "o (below 2.6, and D is not

Alov in it. More than 0.10. Washed after fixation

The proposed amplifier has a working image (dried or unimpressive pH 7.0-8.5. The pH value is not affected - dried) is placed in the solution, bleached by a gain factor in the specified 1G bed of known composition (see Table 1

nom range. At pH 7.0, it reduces the amount of silver to

with the reducing activity of the hydrochloride, bromide or ferrocyanide, expressing the selection, and at 5 age-hold up to visual transformation

The rate of its hydrolysis, which leads the black image to white or pale to the unproductive consumption of hydra-20 but yellow, rushes in water for 1-2 minutes

 zinboran. At a concentration of hydrazine, they are placed in an enhancer solution, where

borane 0.5 g / l drops the speed of the pro-stand up to full visual

the concentration, and concentrations above 10 g / 1 black recovery,

economically unjustified, as they are rinsed with water and dried,

the consumption of the reducing agent increases 5

for adverse reactions during prolonged enhancement are presented

work. The concentration of potassium chloride in table. one .

or sodium or ammonium is selected. On low-grade silver

the outcome of the achievement of the required. photo film produced by

copying of the values Dd, .. ,, with and D,;,: 30 according to TU 6-17.761. P-84 (content of SEDAL-KS 3.0 and, 2. ribs 1.0 g / m), by the contact method

Enhanced, the image has a pre-print followed by

Property absorption in the FT-2 Violet Projector (4 min 20 s), g / l:

and the blue regions of the spectrum. Metol 5.0; hydroquinone 6.0; sulfite

The mechanism of action of the proposed 35 is sodium 40.0; potassium carbonate 40.0; amplifier: amplification occurs in potassium re-bromide 6.0; water up to 1 liter, and as a result of the formation of particles by silver fixation in a solution of 100 g / l of thio in a finely dispersed state, having sodium sulfate crystalline solids, a covering image, Dddax and absorption in the indicated spectral-40 and D 0.03 (measurements on the bottom of the DP-1 Sitometer filter 420).

An amplifier is prepared, a solution is washed after fixing the image in water in any order. For placement, transition metal ions, a bleaching agent, 50 g / l of Cu804 + present in water, and also 45 g / l of NaCl + 50 ml / l 44804 (conc) water hardness are placed in the copper-chloride outlet of the water, the amplifier can - for 15 s, rinse with water for 15 s and additionally contain 1-2 g / l of trilonausyvayut in a solution of the composition, g / l: B or O, 1-0.4 g / l of hydroxyethylidenephospho-hydrazinoborane 1; ammonium chloride new acid. The amplifier can co-20; water up to 1 l, pH 7.5. Full support for other additives, for example, 50 To ensure that the bleached image is smoothed, the pro-buffering agents for the maintenance will take 10 seconds to maintain. Rinse with water at a constant pH during a long process (15 s) and air dry, using the solution, wetting agents D max after booster 3.05, Dd, cn 0.04. for example, polyethoxylated alkyl-when printing on Unibrom photo paper with phenols and others.55 Reinforced negative is obtained without volatility. EXAMPLE 1. On a serial phototechnical positive streak image FT-41 after exposure.

developments in the product from examples 1 and 2, given

F-3, (, 3 min) composition, g / l: for two types of phototechnical film, it follows that the proposed amplifier provides a 2.5-fold increase in density at, 2.

Example 3. The process is carried out analogously to example 1 (bleach: 50 g / l of potassium ferricyanide + water to 1 l), but with amplifiers of the compositions indicated in Table 2.

The proposed composition of the image meets the requirements for photomasks in electronics (150 µm).

From the examples it follows that the proposed amplifier works in combination with various bleaches and provides an effective increase in the copy

Example4. On the film, by the example of optical densities at ru 1, as a result of exposure to conventional chemical-photographic processing, film samples are obtained, which are processed as in Example 2.

acceptable level. In all cases of the use of the proposed composition both with machine and culet processing, the danger is reduced.

I The values obtained are presented in Table 3.

Thus, 2 increases with a constant K

D "sh 0.15 to

character K f. „f (L, cx

1B adverse effects on humans caused by contact with strong alkaline solutions containing ethylenediamine on the skin or eyes. Due to the lower alkalinity of the proposed solution and the absence of amine, about 20

low biodegradability reduces the environmental load.

power 2,5; for US the sludge falls. Similar) obtained for

variants of the compositions of the amplifiers described in examples 1 and 3.

Example 5: To assess the quality of reproduction of small parts on

film FT-41 line image 25 the formula of the invention of the test object containing sharp

streak elements (lines), printed-Amplifier of silver images were wound onto a film on a vacuum-copied halogen-silver phototechnical frame and processed according to the application scheme containing boron hydrogen 2. The density of blackening of large 30 reducing agent, dispersing agent of elements before strengthening was 1.05. and water characterized in that. Strokes with a size of 40 µm before and after usi, for the purpose of improving the working conditions, laziness was densitometric on a microdenum during preparation of the amplifier and in the course of processing it contains hydrazine borane as a restoring 35 and slot size 9x23 µm, linear magnification 300) using a filter similar to that used in the DP-1 device. The linear dimensions of the fine detail are preserved after reinforcement, and the density increases about 2.5 times. A similar result was obtained for the variants of the amplifier compositions given in Examples I and 3.

Therefore, in terms of edge sharpness and resolution,

potassium chloride, or sodium, or ammonium in the following ratio of ingredients, g / l:

40

45

Hydrazineboran Potassium Chloride, or sodium, or ammonium Water

0.5-10

20-200 up to 1 l

The composition of the bleach, g / l of water

K.zGe (CH) 50

Hydrazineborane 10 8.5 1.22 3.05 0.05 0.07 Sodium chloride 200

optical densities at

acceptable level. In all cases of the use of the proposed composition, both in machine and cell processing, the danger is reduced.

adverse effects on humans caused by contact with strong alkaline solutions containing ethylenediamine on the skin or eyes. Due to the lower alkalinity of the proposed solution and the absence of amine, about

low biodegradability reduces the environmental load.

potassium chloride, or sodium, or ammonium in the following ratio of ingredients, g / l:

Hydrazineboran Potassium Chloride, or sodium, or ammonium Water

0.5-10

20-200 up to 1 l

Table 1

KjreCCN)

KBr

, HCl (conc)

70 6 5 6 ml

Gndrazinboran 0.5 7.5 1.21 3,000.04 0.05

Potassium Chloride 20

Hydrazinboran5 7.0 1.23 3.07 0.05 0.06

Ammonium Chloride 110

The composition of the amplifier, g / l of water

Hydrazinboran 0,5

Sodium chloride 20

Hydrazinboran 0,5

- Ammonium chloride 20

7.5 1.30 3.25 .0.05 0.07

7.0 1.28 3.27 0.04 0.07

Hydrazinboran5 7.5 1, 38 38.18 0.05 0.06

Sodium chloride 110

Hydrazinboran5 7.5 1.35 3.31 0.06 0.08

Potassium Chloride 110,

Hydrazinboran10 7.5 1.25 3.10 0.04 0.06

Potassium chloride 200

Hydrazinboran10 7.0 1.28 3.21 0.07 0.09

Ammonium chloride 200

table 2

0.05 0.10 0.51 1.10 1.60 0.07 0.15 0.82 2.72 4.02

Table 3

Claims (1)

Claim A silver image intensifier on silver halide phototechnical materials containing a borohydride reducing agent, a dispersing agent and water, characterized in that, in order to improve working conditions in the preparation of the amplifier and during processing, it contains hydrazinborane as a reducing agent and potassium chloride as a dispersing agent, or sodium, or ammonium in the following ratio of ingredients, g / l: Hydrazinborane Potassium Chloride or Sodium or Ammonium Water 0.5-10 20-200 Up to 1 liter Table 1 The composition of the bleach, g / l of water Composition amplifier, g / l, water pH I am Dmin Before amplification After strengthening Before amplification Posie enhancement K ₃ Gyou (SM) ^ 50 Hydrazinborane 10 8.5 1.22 3.05 0.05 0.07 Sodium Chloride 200 Continuation of the table. 1> The composition of the bleach, g / l The composition of the amplifier, g / l, L max D MII water water pH Until After Until Pos- laziness effort laziness le NII wuxi le- NII K ₃ Ge (SP) ₆ 70 Hydrazinborane 0.5 7.5 1.21 3.00 0.04 0.05 V kW 6 Potassium chloride 20 • · K ₂ Cg _g O ₇ 5 Hydrazinborane 5 7.0 1.23 3.07 0.05 0.06 HC1 (conc) 6 ml Ammonium chloride 110 table 2 Amplifier composition, g / l water pH D MIN Before amplification After amplification Before amplification After amplification Hydrazinborane 0.5 7.5 1.30 3.25 .0.05 0,07 Sodium chloride 20 Hydrazinborane 0.5 7.0 1.28 3.27 0.04 0,07 Ammonium chloride 20 Hydrazinborane 5 · 7.5 1.38 3.18 0.05 0.06 Sodium chloride 110 Hydrazinborane 5 7.5 1, 35 3.31 0.06 0.08 Potassium chloride 110, Hydrazinborane 10 7.5 1, 25 3.10 0.04 0.06 Potassium chloride 200 Hydrazinborane 10 7.0 1.28 3.21 0,07 0.09 Ammonium Chloride 200 Ί T a b l c a 3 shop 0.05 0.10 0.51 1.10 1,60 D u s il 0,07 0.15 0.82 2.72 4.02 --------—_