US2322982A - Photographic printing material - Google Patents

Photographic printing material Download PDF

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Publication number
US2322982A
US2322982A US373139A US37313941A US2322982A US 2322982 A US2322982 A US 2322982A US 373139 A US373139 A US 373139A US 37313941 A US37313941 A US 37313941A US 2322982 A US2322982 A US 2322982A
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US
United States
Prior art keywords
diazo
light
anthraquinone
sensitizer
compounds
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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 - Lifetime
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US373139A
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English (en)
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Poser Gottlieb Von
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Individual
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Individual
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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
    • G03C1/52Compositions containing diazo compounds as photosensitive substances
    • G03C1/61Compositions containing diazo compounds as photosensitive substances with non-macromolecular additives

Definitions

  • fluoreno'nes means fluorenone and its derivatives
  • acridones means acridone and its derivatives
  • keto-compounds particularly such as are soluble in water or in a mixture of water and alcohol respectively.
  • the said ketocompounds should contain more than'one aromatic nucleus, for example two or three aromatic nuclei.
  • Ketmcompounds whichcontain a CO-group in a benzene ring or another ring, for instance quinones have proven particularly good.
  • diazo-compounds particularly belong to said kind However, also compounds of the benzophenone 01' diam-compounds.
  • the afore-named diazotype are also suitable. It is furthermore desirable compounds are in most cases distinguished by the that the sensitizers be not dyestuffs. They tact thatthe photographic prints prepared thereshould preferably be colorless or only slightly with have only a slight tendency to turn yellow. I colored.
  • Suitable sensitizers are for instance-anthra- They yield reflex copies very rich in contrast.
  • dyestuffs forming the picture of the reflex copies strongly absorb chemically active light it suitable azo-components are used as this is described in detail in the co-pending U. S. Patent Application Serial No. 276,420 filed May 29, 1939, now U. S. Patent No. 2,246,425 of June 17, 1941.
  • the reflex copies are therefore well suited for being reproduced on photographic printing paper, for instance diazotype paper.
  • diam-compounds in question quinone and the derivatives thereof.
  • Such derivatives are especially useful as are readily soluble ilk water.
  • the benzene nuclei of the anthraquinone may carry, for instance, simple substituents, such a alkyl groups, halogen atoms, carboxylic or sulfonic acid groups.
  • Anthraquinone have acquired only very little practical imporprovided that a usual source of light, for instance the arc lamp is employed for the exposure.
  • quinones means aromatic keto compounds containing the quinone grouping such as anthraquinone and its derivatives, benzanthrone, naphthoquinone, naphthanthraquinone, and diphenolbenzoquinone;
  • phenones means aromatic keto compounds wherein theketo group is a bridge member, but not apart of a ring system such as benzophenone NaOaS
  • 1.2-naphthoquinone-4-sulfonic acid and the fluorenone-2.'7-disulionic acid may for instance.
  • sensitizers are the sulfonation product of the acridone (produced by introducing acridone into ten times its weight of sulfuric acid monohydrate, heating the whole 'for 1 hour on the vapor bath and precipitating it by the addition of ice water),
  • the sulfonation product of naphthanthraquinone (produced by introducing naphthanthraqulnone into ten times its weight of fuming sulfuric acid containing 20 per cent of free S03 and heating the whole for half an hour on the vapor bath).
  • the sulfonation products of benzophenone or of para-chloro-benzophenone are likewise useful. These products may be obtained by heatin benzophenone or para-chloro-benzophenone with six times its weight of turning sulfuric acid containing 20 per cent of free S: to 90 0., adding once its weight of fuming sulfuric acid of 70 per cent SO: and further heating the whole for A hour.
  • the sodium salts of the above-named sulfonation products may be separated from the solutions by the addition of ice-water and caustic soda.
  • the light-sensitiveness of relatively light-insensitive diazo-compounds may be enhanced to a multiple so that they then satisfy the practical requirements.
  • Colorless diazo-compounds of the benzene series which are free from amino groups may be sensitized with particularly good success, for example diazo phenols and diazo phenol ethers.
  • Diazo phenol alkyl ethers i. e. the diazotlzation products of p-anisidine, o-anisidine and similar alkyl ethers of amino-phenols are particularly well suitable for the purpose of the invention.
  • Other suitable colorless diazo compound are mentioned in the copending application 276,420.
  • Slightly colored compounds, for instance the tetrazotized 'dianisidine may, likewise be sensitized.
  • the proportion of the sensitizers present in the photographic printing material may be just as 1 large as that of the diazo compounds. In general, however, an effect may be produced by an essentially smaller quantity of the sensitizer than that named above. In many cases a few percentages calculated on the diazo-compound. are
  • a foil of regenerated cellulose is bathed in a solution containing in 1000 cc. of water Grams 5-chloro-2-diazobenzene-l-sulfonic acid Tartaric acid 12 Boric acid 7 6 Sodium naphthalene-1.3.6-trisulfonate 20 Sodium 2-naphthol-3.6-disulfonate 8 Sodium 'anthraquinone-2.7-disulfonate- 5
  • an orange-red image is obtained.
  • diazo-compound instead of the afore-named diazo-compound there may be used with a similar success the 4-diazo-1-anisole, the z-diazo-l-amsole, the 4- diazo-l-phenol, the 2-diazo-5-hydroxybenzene-1- sulfonic acid and the 4-diazo-l-phenoxybenzene.
  • a diazo photographic printing material is obtained by coating photographic crude paper with a solution containing in 1000 cc. of water Grams 5-hydroxy-2-diazobenzene-l sulfonic acid 20 Tartaric acid 20 Boric acid 10 Resorcine 15 Sodium anthraquinone-2.l-disulfonate 20 (5)
  • a photographic printing foil is produced by saturating a foil oi regenerated cellulose with a solution containing in 1000 cc. of water (6)
  • a photographic crude paper is coated with a solution containing in 1000 cc.
  • diazotypes may be prepared which are developed in known manner according H to the method of moist developing.
  • Light-sensitive material which consists of a carrier having a layer comprising a diazo-com-.
  • pound of small light-sensitiveness and a sensitizer consisting in an aromatic keto-compound selected from the group consisting of quinones, phenones, acridones and fluorenones.
  • Light sensitive material which consists of a carrier having a layer comprising a diazo compound of small light-sensitiveness and as a sensitizer a water soluble,'substantially colorless anthraquinone compound.
  • Light-sensitive material which consists ot'a carrier having a layer comprising a substantially colorless diazo-compound of small light-sensitiveness and a sensitizer consisting in an aromatic keto-compound selected from the group consisting of quinones, phenones, acridones and fluorenones.
  • Light-sensitive material which consists of a carrier having a layer comprising a substantially colorless diazo compound of small light-sensitiveness and as a sensitizer a water soluble, substantiveness and as a sensitizer a water soluble, substantially colorless anthraquinone compound.
  • Light-sensitivematerial which consists of a carrier having a. layer comprising a substantially colorless diazo phenol alkyl ether of small lightsensitiveness and a sensitizer consisting in an aromatic keto-compound selected from the group consisting of quinones, phenones, acridones and fluorenones.
  • Light-sensitive material which consists of a carrier having a layer comprising a substantially colorless diazo phenol alkyl ether of small light-sensitiveness and as a sensitizer a water soluble, substantially colorless anthraquinone compound.
  • light-sensitive material which consists of a carrier having a layer comprising a substantially colorless diazo phenol alkyl ether of small lightsensitiveness and asa sensitizer the 2.7-anthraqu none disulionic acid.
  • Light-sensitive material which consist oi a carrier having a layercomprising a substantially colorless diazo phenol alkyl ether of small lightsensitiveness and as a sensitizer the z-anthraquinone sulfonic acid.
  • Light-sensitive material which consists of a carrier having a layer comprising a substantially colorless diazo phenol alkyl ether of small lightsensitiveness and as a sensitizer the 1.4-dichloroz-anthraquinone sulionic acid.

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
US373139A 1939-12-27 1941-01-04 Photographic printing material Expired - Lifetime US2322982A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE217787X 1939-12-27
DEK4418D DE906406C (de) 1939-12-27 1940-08-06 Verfahren zur Empfindlichkeitssteigerung von Diazo-Lichtpausschichten

Publications (1)

Publication Number Publication Date
US2322982A true US2322982A (en) 1943-06-29

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
US373139A Expired - Lifetime US2322982A (en) 1939-12-27 1941-01-04 Photographic printing material
US481063A Expired - Lifetime US2378583A (en) 1939-12-27 1943-03-29 Photographic printing material

Family Applications After (1)

Application Number Title Priority Date Filing Date
US481063A Expired - Lifetime US2378583A (en) 1939-12-27 1943-03-29 Photographic printing material

Country Status (5)

Country Link
US (2) US2322982A (de)
BE (2) BE441985A (de)
CH (3) CH217787A (de)
DE (2) DE903061C (de)
FR (2) FR868365A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3485631A (en) * 1966-11-17 1969-12-23 Kalvar Corp Vesicular photographic materials
US4284704A (en) * 1976-08-13 1981-08-18 Eastman Kodak Company Photographic elements with incorporated hydrogen source photoreductant and tetrazolium salt
US4356255A (en) * 1979-06-28 1982-10-26 Fuji Photo Film Co., Ltd. Photosensitive members and a process for forming patterns using the same

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2501874A (en) * 1946-06-12 1950-03-28 Gen Aniline & Film Corp Photographic diazo-sensitized glassine paper
US2531485A (en) * 1947-04-02 1950-11-28 Gen Aniline & Film Corp Diazotypes comprising amine salts of sulfonic acid containing azo components
US2542849A (en) * 1948-10-22 1951-02-20 Gen Aniline & Film Corp Diazotypes containing pyronones
GB1053276A (de) * 1964-04-01
US3525618A (en) * 1964-12-04 1970-08-25 Geigy Ag J R Diazotype film materials
US3515554A (en) * 1966-07-25 1970-06-02 Philips Corp Diazo type paper and new high speed diazo reproduction process
US3466172A (en) * 1967-01-13 1969-09-09 Ibm Method of using photographic vesicular and diazo films having diazo antihalation layers
DE1668358C3 (de) * 1968-01-17 1980-04-03 Hoechst Ag, 6000 Frankfurt 6-Phenyl- a -Pyrone als Absorptionsmittel für UV-Strahlung
GB1250252A (de) * 1969-03-28 1971-10-20
US3907561A (en) * 1972-10-06 1975-09-23 Ricoh Kk Pyronyl-pyrylium sensitizers for electrophotographic organic photoconductors
US4147552A (en) * 1976-05-21 1979-04-03 Eastman Kodak Company Light-sensitive compositions with 3-substituted coumarin compounds as spectral sensitizers
DD154402A1 (de) * 1980-12-15 1982-03-17 Fred Walkow Diazoniumsalze enthaltendes diazotypiematerial

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3485631A (en) * 1966-11-17 1969-12-23 Kalvar Corp Vesicular photographic materials
US4284704A (en) * 1976-08-13 1981-08-18 Eastman Kodak Company Photographic elements with incorporated hydrogen source photoreductant and tetrazolium salt
US4356255A (en) * 1979-06-28 1982-10-26 Fuji Photo Film Co., Ltd. Photosensitive members and a process for forming patterns using the same

Also Published As

Publication number Publication date
US2378583A (en) 1945-06-19
CH232522A (de) 1944-05-31
FR51642E (fr) 1943-03-18
BE441985A (de)
DE903061C (de) 1954-02-01
DE906406C (de) 1954-03-15
BE440077A (de)
CH217787A (de) 1941-11-15
FR868365A (fr) 1941-12-29
CH230638A (de) 1944-01-15

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