DE677884C - Process for making colored photographic materials - Google Patents

Process for making colored photographic materials

Info

Publication number
DE677884C
DE677884C DEG85335D DEG0085335D DE677884C DE 677884 C DE677884 C DE 677884C DE G85335 D DEG85335 D DE G85335D DE G0085335 D DEG0085335 D DE G0085335D DE 677884 C DE677884 C DE 677884C
Authority
DE
Germany
Prior art keywords
salts
photographic materials
colored photographic
making colored
acidic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DEG85335D
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DEG85335D priority Critical patent/DE677884C/en
Application granted granted Critical
Publication of DE677884C publication Critical patent/DE677884C/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/76Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/825Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Plural Heterocyclic Compounds (AREA)

Description

1 Verfahren zur Herstellung gefärbter photographischer Materialien Es ist bekannt, zur Herstellung gefärbter photographischer Materialien schwer lösliche nicht diffundierende Salze der sauren Farbstoffe herzustellen. Die Methoden, deren man sich bisher bedient hat, bestanden entweder in der doppelten Umsetzung der Farbstoffe mit Metallsalzen `unter Bildung entsprechender Metallfarbstoffverbindungen oder auch in der Ausfällung saurer Farbstoffe durch Stoffe von basischer Reaktion. In diesem Zusammenhang hat man die Verwendung von organischen Basen beschrieben. Zum gleichen Zweck ist jetzt auch gemäß einem älteren Vorschlag des Anmelders die Verwendung von Salzen organischer Basen in Vorschlag gebracht worden, die durch doppelte Umsetzung mit sauren Farbstoffen schwer lösliche Niederschläge ergeben. Es wurde nun gefunden, daß die quaternären Salze der heterocyclischen organischen Basen sich besonders gut zurAusfällung saurer oder substantiver Farbstoffe eignen. 1 Process for the Production of Colored Photographic Materials It is known to produce sparingly soluble, non-diffusing salts of acidic dyes for the production of colored photographic materials. The methods that have been used so far consisted either in the double reaction of the dyes with metal salts with the formation of corresponding metal dye compounds or in the precipitation of acid dyes by substances with a basic reaction. The use of organic bases has been described in this context. For the same purpose, according to an earlier proposal by the applicant, the use of salts of organic bases has now been proposed, which result in poorly soluble precipitates by double reaction with acidic dyes. It has now been found that the quaternary salts of the heterocyclic organic bases are particularly suitable for the precipitation of acidic or substantive dyes.

Demgemäß betrifft die Erfindung ein Verfahren zur Herstellung gefärbter photographischer Materialien unter Benutzung von Salzen als Fällungsmittel mit dem besonderen Kennzeichen, daß als Fällungsmittel die quaternären Salze farbloser organischer Basen, insbesondere ihre Alkylsulfate, verwendet werden. Diese quaternären. Salze zeichnen sich durch sehr gute Wasserlöslichkeit aus und verursachen keine schädlichen Nebenwirkungen in der Ernulsion. Die Salze dieser Basen ergeben mit den sauren oder substantiven Farbstoffen besonders schwer lösliche Salze, deren Schwerlöslichkeit sich insbesondere auch geg @nüber verdünnter Sodalösung äußert, durch die die mit anderen Salzen primärer, sekundärer und tertiärer Basen erzielten Farbstoffällungen weit eher gelöst werden. Diese -größere Alkalibeständigkeit ist von besonderem Vorteil bei der Behandlung der gefärbten photographischen Schichten mit alkalischen Entwicklerlösungen oder anderen alkalischen Bädern.Accordingly, the invention relates to a method for producing colored ones photographic materials using salts as precipitants with the special characteristic that the quaternary salts are colorless organic as precipitants Bases, especially their alkyl sulfates, can be used. This quaternary. Salts are characterized by very good water solubility and do not cause any harmful Side effects in the emulsion. The salts of these bases give with the acidic or substantive dyes, particularly poorly soluble salts, their poor solubility expresses itself in particular against dilute soda solution, through which the with other salts of primary, secondary and tertiary bases achieved dye precipitations far more likely to be resolved. This greater resistance to alkali is of particular advantage in the treatment of the colored photographic layers with alkaline developer solutions or other alkaline baths.

Ein weiterer Vorteil besteht darin, daß die unlöslichen Farbstoffsalze sich unmittelbar in der photographischen Emulsion darstellen lassen, wobei ein nachträgliches Auswaschen meistens nicht notwendig ist.Another advantage is that the insoluble dye salts can be represented directly in the photographic emulsion, with a subsequent Washing out is usually not necessary.

Geeignet sind die quaternären Salze der höheren Homologen des Pyridins, wobei die 3-4-Kohlenstoffatome des Pyridinringes durch Schwefel, Selen. oder Sauerstoff ersetzt werdenkönnen, z.B. dieAlkylnaphthochinolinium-, Anthrachinoliniumsalze, die Thiazoliumsalze, Benzo- und Naphthothiazoliumsalze. Die quaternären Salze können Halogenalkylate, Perchlorate, Alkylsulfate , und Alkyltoluensulfate sein. Wie gefunden wurde, eignen sich Alkylsulfate besonders gut. Beispiel i Eine Bromsilberemulsion, die 2 g Diaminreinblau FF pro Liter enthält, wird vor dem Guß mit einer Lösung aus o,5 g N-Äthylchinoliniumäthylsulfat in @o ccm Wasser versetzt.The quaternary salts of the higher homologues of pyridine are suitable, the 3-4 carbon atoms of the pyridine ring being replaced by sulfur, selenium. or oxygen can be replaced, e.g. the alkylnaphthoquinolinium, anthraquinolinium salts, the thiazolium salts, benzo and naphthothiazolium salts. The quaternary salts can Haloalkylates, perchlorates, alkyl sulfates, and alkyl toluene sulfates. How found alkyl sulfates are particularly suitable. Example i A silver bromide emulsion, which contains 2 g of pure diamine blue FF per liter, is made with a solution before casting 0.5 g of N-ethylquinolinium ethyl sulfate was added to @o ccm of water.

Beispiel 2 Eine mit 39 Chloraminlichtrot 7 BL pro Liter angefärbte Emulsion wird mit einer Lösung aus 0,5 g N-Methyl-/3-Naphthochinoliniumperchlorat in ioo ccm Wasser versetzt.EXAMPLE 2 A solution of 0.5 g of N-methyl- / 3-naphthoquinolinium perchlorate in 100 cc of water is added to an emulsion colored with 39 chloramine light red 7 BL per liter.

Claims (1)

PATENTANSPRUCFI: Verfahren zur Herstellung gefärbter photographischer Materialien unter Benutzung von Salzen als Fällungsmittel für saure oder substantive Farbstoffe, dadurch gekennzeichnet, daß als Fällungsmittel die quaternären Salze, insbesondere die All;ylsulfate farbloser organischer Basen, verwendet werden.PATENT CLAIM: Process for making colored photographic prints Materials using salts as precipitating agents for acidic or substantive Dyes, characterized in that the quaternary salts, in particular the all; yl sulfates of colorless organic bases can be used.
DEG85335D 1931-12-02 1933-04-20 Process for making colored photographic materials Expired DE677884C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEG85335D DE677884C (en) 1931-12-02 1933-04-20 Process for making colored photographic materials

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEG0081305 1931-12-02
DEG0085335 1933-04-19
DEG85335D DE677884C (en) 1931-12-02 1933-04-20 Process for making colored photographic materials

Publications (1)

Publication Number Publication Date
DE677884C true DE677884C (en) 1939-07-05

Family

ID=27210692

Family Applications (1)

Application Number Title Priority Date Filing Date
DEG85335D Expired DE677884C (en) 1931-12-02 1933-04-20 Process for making colored photographic materials

Country Status (1)

Country Link
DE (1) DE677884C (en)

Similar Documents

Publication Publication Date Title
DE850385C (en) Process for the preparation of phenazonium dye images by color development
DE1096196B (en) Process for the production of the bluish-green image in the production of color developing images and developers therefor
DE740708C (en) Process for the production of photosensitive layers for the silver sheet process
DE870947C (en) Process for producing color photographic images by coloring development
DE677884C (en) Process for making colored photographic materials
DE848911C (en) Developer for black and white and multicolor images
DE557144C (en) Process for the production of photographic filter and antihalation layers
DE561867C (en) Process for the production of dye images for single and multicolor photography and cinematography
DE596104C (en) Process for the production of diazo light images using metal salts
DE1547902A1 (en) Photosensitive photographic preparation
DE628839C (en) Process for the preparation of photographic fade color layers
DE571692C (en) Method of oversensitizing photographic films
DE923892C (en) Process for improving the whiteness of photographic images produced by the silver salt diffusion process
DE617713C (en) Process for the production of color images
DE463879C (en) Process for the preparation of silver salt photographic emulsions
AT135693B (en) Method of making collodion orthochromatic emulsion dry plates.
DE894960C (en) Process for the direct production of positives
DE902939C (en) Process for the production of colored photographic overhead and transparency images with the aid of decoctions of ªÏ-cyanoacetophenone as dye coupling components
DE690225C (en) Process for the production of colored gelatin layers or halogen silver gelatin layers
DE210057C (en)
DE643429C (en) Process for producing a colored picture film, in which two sides of a positive are colored differently
DE902940C (en) Process for the production of colored photographic images with the aid of esters of dye leuco bases
DE379998C (en) Process for the production of light-sensitive, copyable layers
DE930795C (en) Process for the production of color photographic images
DE488017C (en) Photosensitive paper giving positive images by the amine development process